R is a free, open-source programming language and statistical computing environment maintained by the R Core Team and supported by the R Foundation. It provi...
R&G / Nors Group is a company surfaced as a portfolio company of idg-capital and added to the API Evangelist network as a stub for enrichment. Sector: health...
R-Zero Systems is a San Francisco based building-intelligence company founded in 2020 that combines privacy-first occupancy sensors, indoor-air-quality monit...
R1 RCM is a major US corporation and Fortune 1000 company. The R1 RCM API provides programmatic access to its platform services, data, and integrations for e...
R2 is an embedded finance platform operating across Latin America (Mexico, Brazil, Chile, Colombia and Peru) that lets digital platforms and marketplaces off...
Rabbet (Renovate Simply, Inc.) is an Austin-based construction finance software company backed by QED Investors. It provides two products: a platform for rea...
Rabbit Inc. is a consumer technology company building AI-powered devices, best known for the Rabbit R1, a $199 handheld AI companion with industrial design b...
Rabbit is the maker of the R1, a $199 handheld AI device running rabbitOS 2.1 with no subscription required. The R1 ships with Magic Recorder (unlimited reco...
Rabbit Mobility (Rabbit) is a clean-tech micro-mobility sharing company operating in Cairo and Giza, Egypt. Through its iOS and Android mobile apps, Rabbit o...
RabbitMQ is a widely deployed open source message broker. It supports multiple messaging protocols and can be deployed in distributed and federated configura...
Rabobank is a Dutch multinational banking and financial services company organized as a cooperative with a strong focus on the food and agriculture sector. I...
Rabobank Australia is the Australian arm of Rabobank Group, the Netherlands-headquartered cooperative bank and one of the world's leading food and agribusine...
rabot.energy (RABOT Energy DE GmbH) is a Hamburg-based German electricity supplier offering dynamic and fixed-rate power tariffs where consumers pay hourly r...
This API was designed specifically for the Director software to allow certain timers and directors integration into our Race Entry data with the Director. It...
RACE Protocol is a multi-chain, on-chain infrastructure for developing and deploying secure and fair web3 games. It is delivered primarily through a TypeScri...
The RACE RESULT REST interface allows retrieval of data from systems uploading to RACE RESULT servers, including RACE RESULT decoders that upload via TCP and...
Rachio makes smart, WiFi-connected irrigation controllers, Smart Hose Timers and lighting controllers for homes and landscapes. The Rachio Public API lets de...
A responsibility assignment matrix that defines roles and responsibilities using four key designations - Responsible (those who do the work), Accountable (th...
Racing Data is a developer-focused API providing real-time updates and historical statistics across racing series, including Formula One, IndyCar, and others...
Rackspace Technology is a multicloud solutions provider offering managed services, professional services, and consulting across cloud infrastructure, applica...
RACQ Bank is the retail banking division of RACQ (The Royal Automobile Club of Queensland), a member-owned mutual organisation and one of Queensland's larges...
Rad AI is a San Francisco based healthcare technology company that builds generative and machine-learning software for radiology. Its products help radiologi...
Rad Power Bikes is a Seattle-based direct-to-consumer electric bicycle maker, selling cargo, utility, commuter and off-road ebikes plus parts, accessories an...
Rad TV (Rad.) is a two-sided subscription video platform connecting content creators with consumers. For creators it offers AI-powered content enhancement to...
Use Radar APIs as building blocks for location-based products and services like pickup and delivery tracking, location-triggered notifications, location veri...
Radar is a geofencing and maps platform that gives developers a unified location infrastructure - forward and reverse geocoding, IP geocoding, address and pl...
Radd Pharmaceuticals is a company surfaced as a portfolio company of canaan-partners and added to the API Evangelist network as a stub for enrichment. This p...
Radia is a dual-use aerospace company founded in 2016 by MIT-trained aerospace engineer Mark Lundstrom, headquartered in Boulder, Colorado with a second oper...
Radial is a company surfaced as a portfolio company of general-catalyst and added to the API Evangelist network as a stub for enrichment. This profile is a l...
Radial Analytics (Radial) is a Concord, Massachusetts healthcare technology company providing an AI/ML-powered clinical decision-support platform for the val...
Radian Group Inc. (NYSE: RDN) is a global, multi-line specialty insurer providing private mortgage insurance through Radian Guaranty and specialty insurance ...
Radiant is a nuclear technology company developing portable, transportable microreactors designed to deliver clean, reliable power to remote sites, military ...
Radiant Entertainment was an independent video game studio co-founded by brothers Tom and Tony Cannon, who also created the Evolution Championship Series (EV...
Radiant Security is an AI-powered Security Operations Center (SOC) platform that automates alert triage, investigation, and response so security teams can sc...
RadiantGraph is a healthcare engagement platform that turns fragmented health data into personalized member connections to improve clinical outcomes and redu...
Radiantnuclear is a company surfaced as a portfolio company of felicis and added to the API Evangelist network as a stub for enrichment. This profile is a le...
Radical Health is a Khosla Ventures-backed healthcare AI company that produces personalized, expert-reviewed cancer treatment reports for patients in the Uni...
Radical Numerics is an AI research lab building what it calls "general biological intelligence" — next-generation AI architectures aimed at biology and scien...
Radicle is a sovereign, peer-to-peer code collaboration stack built on Git, developed by Radicle (radicle.dev) and backed by Electric Capital. Instead of rel...
Radio Browser is a free, community-driven directory of internet radio stations. The project publishes a public REST API exposing the full catalog of stations...
The Radio Mast API allows you to integrate Radio Mast functionality into your app or website, including streaming network management, stream monitoring, list...
Radio Station Pro is a WordPress plugin for managing online radio stations, schedules, DJs, shows, and playlists. No public REST API has been published by th...
Radiology Partners is a national radiology practice based in Austin, Texas that partners with radiologists, radiology practices, hospitals, and health system...
Radionetics Oncology is a clinical-stage biotechnology company developing precision radiopharmaceutical treatments for cancer. The company designs small-mole...
Radionomy (Azerion) is a company surfaced as a portfolio company of bain-capital-ventures and added to the API Evangelist network as a stub for enrichment. S...
Radish Health is a healthcare company that provides employers with a modern employee health benefit, pairing each member with a dedicated care team and physi...
Application platform for cloud-native applications that enables developers to define, deploy, and manage applications across multiple clouds and on-premises ...
RadixArk is a deep-tech AI-infrastructure company on a mission to make frontier-level AI infrastructure open and accessible to everyone ("Build AI for all")....
RadNet, Inc. (NASDAQ: RDNT) is the largest provider of freestanding, fixed-site outpatient diagnostic imaging services in the United States, operating roughl...
Rael is a holistic personal-care brand founded in 2017 by three Korean-American women and led by co-founder and CEO Yanghee Paik, selling organic-cotton peri...
Raenest (formerly Geegpay) is a global money platform for freelancers, creators, remote workers, students, and businesses in Africa and beyond. It provides m...
Raft is a consensus algorithm for distributed systems designed to be understandable and provide the same guarantees as Paxos, used for distributed log replic...
Ragas is an open-source Python evaluation framework for LLM and RAG (retrieval-augmented generation) applications. It provides metrics, experiments, dataset ...
Ragas is an open-source evaluation toolkit for Large Language Model applications, with particular depth on Retrieval Augmented Generation (RAG) and agentic s...
RAGFlow is the open-source Retrieval-Augmented Generation engine built by InfiniFlow Inc. It combines deep document understanding (DeepDoc parsing of PDFs, i...
Ragie is a fully-managed Retrieval-Augmented Generation (RAG) as-a-service platform. Its REST API ingests documents (file upload, raw, or from URL), processe...
Raid AI (RAID AI, Inc.) is an enterprise-grade deepfake and AI-content forensics platform covering audio, image, document, and video. Its REST API detects AI...
Raid Base Inc. is a Los Angeles-based game development studio, founded in 2020, building an open-world, sandbox PvPvE game in an original IP where players an...
Railinc, a wholly owned subsidiary of the Association of American Railroads, delivers IT and information services to the North American freight rail industry...
The Railway public API is built with GraphQL and is the same API that powers the Railway dashboard, providing automation for projects, services, deployments,...
Railway is a cloud application deployment platform (PaaS) that builds, deploys, and scales services, databases, and cron jobs from a Git repository or Docker...
Rain is an enterprise stablecoin payments platform that lets companies embed digital-dollar money movement into their products through a single API. Its infr...
Rain is a stablecoin payments infrastructure company that lets platforms, fintechs, and institutions issue cards, open virtual accounts and wallets, and move...
Rain is a Middle East and North Africa (MENA) cryptocurrency exchange and digital-asset platform, operated through Rain Financial Inc. and its Bahrain entity...
Rainbird Technologies is an AI decision automation platform for regulated industries (banking and finance, insurance, tax and audit, healthcare, and law). It...
Rainbow is a CPaaS platform from Alcatel-Lucent Enterprise (ALE) that lets developers enrich applications with chat, group chat, voice, video, file sharing, ...
Rainbow — formerly Riverse, whose riverse.io domain now 301s to rainbowstandard.io — is a carbon crediting programme and registry that certifies and issues R...
Rainbow.AI provides hyperlocal precipitation forecasting APIs that deliver minute-by-minute rain and snow predictions at 1 km resolution, helping businesses ...
Raincoat builds embedded, highly scalable parametric climate insurance products and the automated infrastructure that powers them. Founded in 2019 and headqu...
Raindrop is the monitoring and observability platform for AI agents — a "Sentry for AI agents" that discovers silent agent failures in production. AI enginee...
RainFocus is a Lehi, Utah based enterprise event management and event marketing platform used by large B2B organizations to run conferences, roadshows, field...
Rainforest is a payfac-as-a-service (payment-facilitator-as-a-service) provider that lets vertical SaaS platforms embed payments and monetize them as revenue...
Rainforest QA is a no-code software testing platform that combines AI-powered test creation, crowdsourced manual QA, and automated browser testing in one pla...
Rainmaker Live is a platform for live streaming, virtual events, and audience engagement. No public REST APIs or developer documentation have been verified a...
Rainmarket is the flagship intelligence platform of Digital Media Nusantara (DMN), built to map and illuminate cross-border trade flows between ASEAN and Hon...
Rainwalk Technology is a white-label, embedded pet insurance provider founded in 2018 and based in Columbia, South Carolina. Rainwalk lets partners such as s...
Rainway is a developer platform for interactive application streaming, letting you embed and run native apps anywhere in a few lines of code. Its Stream SDK ...
Raise is a digital gift card marketplace and commerce platform. Raise for Business exposes the Raise Commerce API — a REST/JSON API that lets partners progra...
Raised (joinraised.com) is an AI-powered recruiting platform founded in 2022 and backed by 500 Global. It delivers vetted candidates to venture-backed startu...
Raisin is a fintech savings and investment marketplace that gives consumers access to high-yield savings accounts, CDs, and cash deposit products from a netw...
Rakam is a warehouse-native product analytics platform that lets business and data teams build analytics interfaces without coding, operating directly on the...
Raken is a San Diego-based construction technology company providing a field-first daily reporting and field management platform for general contractors, sub...
Rakuten Group is a Japan-headquartered internet conglomerate spanning e-commerce (Rakuten Ichiba), fintech (Rakuten Bank, Rakuten Card, Rakuten Securities), ...
Rakuten Medical, Inc. is a global biotechnology company headquartered in San Diego, California, developing precision, cell-targeting investigational cancer t...
Rakuten Mobile is the Japanese mobile network operator (MNO) of Rakuten Group, headquartered in Setagaya, Tokyo, and Japan's fourth nationwide carrier alongs...
Rally (Rally Rd.) is an alternative-asset investing platform that lets everyday investors buy and sell equity shares in individual collectible assets — class...
Rally Network (RLY Protocol, stewarded by the RLY Network Association) is a permissionless, open-source, multi-chain web3 mobile toolkit for developers. It p...
Rally (formerly Rally Rd.) is a New York-based alternative-asset investment platform that lets everyday investors buy and sell equity shares in collectible a...
Rallybio Corporation (NASDAQ RLYB) is a clinical-stage biotechnology company headquartered in New Haven, Connecticut, founded in 2018, developing and commerc...
Rallyware is an AI-powered sales performance and workforce enablement platform that guides distributed sellers, distributors, and field teams toward the next...
Ralph Lauren is a global leader in the design, marketing, and distribution of premium lifestyle products across apparel, footwear, accessories, home, fragran...
Ralph Lauren Corporation (NYSE: RL) is a global premium-lifestyle company founded by Ralph Lauren in 1967 and headquartered in New York City. The company des...
RamAIn builds AI agents that automate any UI task with natural language. A Y Combinator (W26) company backed by General Catalyst and Nexus Venture Partners, ...
Ramble is a company surfaced as a portfolio company of uncork-capital and added to the API Evangelist network as a stub for enrichment. This profile is a lea...
RAML (RESTful API Modeling Language) is a YAML-based specification language for describing RESTful APIs with first-class support for reusable patterns, trait...
Ramp is a finance automation platform that combines corporate cards, expense management, accounts payable, vendor management, and accounting integrations int...
Ramp Network (Ramp Swaps Ltd) is a London-headquartered fiat-to-crypto on-ramp and off-ramp provider that lets wallets, dApps, exchanges and consumer apps em...
Ramper is a Web3 embedded-wallet and social-login platform that lets DApps onboard users with familiar Web2 credentials (Email, Google, Facebook, Apple, Twit...
Ramre (RamRe) is the brand associated with Ram Reinsurance, now operating as American Overseas Group Limited (AOG) — a Bermuda-based insurance holding compan...
Rancher is an open source container management platform built by SUSE that provides a complete software stack for teams adopting containers. It simplifies Ku...
Randolph-Brooks Federal Credit Union (RBFCU) is a member-owned, not-for-profit federal credit union headquartered in Live Oak, Texas, federally insured by th...
Free random user data API for generating realistic fake user profiles with names, addresses, photos, and contact data for UI mockups and testing. Open-source...
Range is team-communication and collaboration software from Range Labs that centralizes how teams stay in sync. It replaces status meetings with asynchronous...
Range Resources is an independent natural gas, natural gas liquids, and oil company engaged in the exploration, development, and acquisition of natural gas a...
RangeForce is a cloud-based cyber range and hands-on cybersecurity training platform that helps organizations build, measure, and validate the defensive skil...
Ranger is an AI-powered quality-assurance platform that lets coding agents verify their own work in a real browser. Its CLI (@ranger-testing/ranger-cli) sets...
Rangers Protocol is an EVM-compatible Layer 1 blockchain (Chain ID 2025) built for Web3 games and metaverse applications, using a VRF+BLS consensus mechanism...
Rani Therapeutics is a clinical-stage biotechnology company developing the RaniPill, an ingestible robotic capsule engineered to deliver biologic drugs orall...
Ranker is a consumer internet company that runs ranker.com, a crowdsourced ranking and voting platform where users vote on and create rankings across pop cul...
RankScience is a San Francisco based SEO and AI-visibility agency (RankScience LLC) that helps startups, SaaS companies, and enterprises grow search traffic ...
Rapchat is a mobile-first music creation platform for artists, rappers, singers, and producers, founded in 2014. Creators use the Rapchat iOS and Android app...
Raphe mPhibr is an Indian deep-tech aerospace company revolutionizing unmanned aviation through in-house carbon fiber composites, UAV airframes, propulsion, ...
Rapid Robotics was a San Francisco robotics-as-a-service (RaaS) company, founded in 2019 by Jordan Kretchmer, that rented pre-trained six-axis "Rapid Machine...
Rapid Silicon is a fabless semiconductor company founded in 2019 and headquartered in Los Gatos, California, building AI- and intelligent-edge-focused FPGAs ...
Rapid7 is a cybersecurity company providing the Insight Platform with products for vulnerability management (InsightVM), SIEM/XDR (InsightIDR), application s...
RapidAI (legal entity iSchemaView, Inc., San Mateo, California) builds a deep clinical AI platform for medical imaging, best known for the Rapid product fami...
RapidAPI operates the world's largest API marketplace, connecting developers to thousands of APIs through a single platform. Their developer platform provide...
Rapidata provides human feedback at scale — crowd-sourced labeling, model evaluation, ranking, and preference data (RLHF-style) collected from real people wo...
RapidCanvas is an enterprise agentic-AI platform that helps organizations build, deploy, govern, and operate AI agents integrated with existing business syst...
RapidClaims is a healthcare revenue-cycle-management (RCM) company building autonomous AI agents for medical coding and claims. Its platform automates medica...
RapidDeploy is a cloud-native Next Generation 9-1-1 (NG911) software company founded in 2013 in South Africa and headquartered in Austin, Texas from 2018. It...
Rapidfolio is an AI operations platform for financial-services companies that automates back-office workflows — KYC/KYB and identity verification, lending un...
RapidFort is a software supply chain security platform focused on container hardening and automated CVE remediation. Its platform analyzes container vulnerab...
RapidMiner (now Altair RapidMiner / Altair AI) is a data science and machine learning platform that unites data preparation, machine learning, and predictive...
Rapido is an Indian on-demand urban mobility platform that connects riders with independent driver-partners (called "Captains") for bike taxis, auto rickshaw...
RapiDoc is a web component that allows developers to easily integrate interactive documentation for their APIs. It provides a user-friendly interface for exp...
RapidSOS operates what it calls "the world's largest Safety Network," an intelligent safety platform that connects public safety agencies (911 / ECCs), enter...
Rappi is a Colombian-founded pan-Latin American super-app headquartered in Bogotá, with regional hubs in São Paulo and Mexico City. Founded in 2015 by Simón ...
Rapport Therapeutics, Inc. (Nasdaq: RAPP) is a clinical-stage biotechnology company headquartered in Boston, Massachusetts with research operations in San Di...
Rapportive was a browser extension that added a contact-intelligence sidebar to Gmail, surfacing a person's name, photo, job, and social profiles alongside t...
RAPsphere was a mobile IT company that developed mobile information management solutions enabling CIOs to contend with BYOD (bring-your-own-device) in the en...
Rapt is a company surfaced as a portfolio company of accel and added to the API Evangelist network as a stub for enrichment. This profile is a lead awaiting ...
RAPT Therapeutics is a clinical-stage biopharmaceutical company developing oral small-molecule and antibody therapies for patients with inflammatory, immunol...
Rapyd is a global Fintech-as-a-Service network offering collect, disburse, hold, and issue capabilities across 100+ countries with local payment methods, car...
RareLee (Rarelee) is a Seoul-based premium personal style consulting company founded in 2017, offering data-driven hair, makeup, and fashion analysis. Its co...
Rarible is a multichain NFT marketplace and aggregator providing a unified REST API for searching, trading, and managing NFTs across Ethereum, Polygon, Arbit...
Rarify is a company surfaced as a portfolio company of pantera-capital and added to the API Evangelist network as a stub for enrichment. Sector: crypto. This...
Rasa is an open-core conversational AI framework for enterprises, built by Rasa Technologies GmbH, that natively leverages generative AI through CALM (Conver...
Rasayel is a WhatsApp platform for B2B sales teams. It combines a shared team inbox, workflow automation and lead qualification, chatbots and AI, WhatsApp me...
Rascal Games is a game development studio founded by Rick and Jon, both experienced entrepreneurs previously at Blitz.gg and Discord. The studio is building ...
Raseedi is an Egyptian financial technology platform that helps underbanked users manage their spending and save money. Through its mobile app it offers free...
Rasgo is an AI-powered Copilot for your data warehouse, letting teams query and analyze their data through natural-language interfaces while the data stays i...
Rask AI is an AI video and audio localization platform offering automated dubbing, translation, transcription, voice cloning, and lip-sync across 130+ langua...
Raspire (RASPIRE) provides runtime security for mobile applications, positioning itself as the first line of defense for Android and iOS apps against AI-powe...
Rasyonet is a Turkish fintech company providing integrated financial software solutions and capital markets data platforms for institutional clients, asset m...
RatedPower, part of Enverus (ENVERUS RATEDPOWER S.L.U., Madrid, Spain), is a cloud software platform for the design and engineering of utility-scale renewabl...
RateHawk is the B2B hotel and travel booking brand of Emerging Travel Group (ETG). Its Partner API (pAPI v3, served from api.worldota.net) gives OTAs, travel...
Ratify is a CNCF Sandbox open-source verification framework for container images and other supply chain artifacts in Kubernetes environments. It enables poli...
Ratio 21 is a company surfaced as a portfolio company of bloomberg-beta and added to the API Evangelist network as a stub for enrichment. This profile is a l...
Ratio Therapeutics Inc. is a clinical-stage pharmaceutical company headquartered at One Design Center Place in Boston, Massachusetts, developing next-generat...
Rational (rational.to) is a Y Combinator (S26) company building AI employees, or "AI coworkers," for accounting and finance teams. Its AI agents onboard them...
ratter is a company surfaced as a portfolio company of slow-ventures and added to the API Evangelist network as a stub for enrichment. This profile is a lead...
Rattle is a sales-execution and revenue-workflow platform that positions itself as "the AI layer your CRM always needed," connecting Salesforce with Slack an...
Raus (operated by StayRaus GmbH, Berlin) is a consumer platform for booking sustainable, design-forward tiny cabins in nature across Germany and Austria, giv...
Ravelin is a London-based fraud detection and prevention platform offering AI-native, real-time decisioning APIs for online merchants. Their products cover p...
Raven is a runtime security platform that protects applications from the inside, detecting and preventing malicious code execution as it happens rather than ...
Raven Risk AI is an AI platform for credit managers and investment professionals that automates credit analysis workflows — financial data analysis, due dili...
Ravio is a real-time compensation benchmarking and total-rewards platform for people and reward teams. Companies connect their HRIS to contribute anonymized ...
Raw Apothecary is a Mexico-based consumer brand that operated a Shopify storefront at rawapothecary.mx (Spanish-language, powered-by Shopify), surfaced in th...
RAWG is the largest video game database and game discovery service, providing access to more than 350,000 games across 50+ platforms with rich metadata inclu...
Rawsome Pte. Ltd. (trading as Rawsome Asia Beverages) is a Singapore-based producer and distributor of small-batch, handcrafted raw kombucha sold under the W...
Ray is an open-source unified compute framework, stewarded by Anyscale, that scales Python and AI workloads from a laptop to a cluster. It consists of Ray Co...
Ray Browser is an AI-powered web browser that learns a user's interests and browsing habits to personalize their internet experience. It ships a built-in age...
Ray Therapeutics is a clinical-stage biotechnology company developing optogenetic, gene-based medicines to restore vision in people with blinding degenerativ...
Ray White is Australasia's largest real estate group, a family-owned brokerage network founded in 1902 and headquartered in Brisbane, Australia, running 550+...
Raya (legal entity Raya App Inc) is a private, membership-based global community for dating, friendship, and professional networking, founded by Daniel Gende...
Raycast is a macOS (and Windows, in beta) productivity launcher that ships an extensions platform, built-in AI, and a Store. Its developer surface is the @ra...
Raydiant is a digital signage and in-location experience management platform for brick-and-mortar businesses, now operating under the Displai brand (raydiant...
Raydium is a leading Solana AMM and liquidity provider supporting standard AMM, concentrated liquidity (CLMM), and a launchpad. The Raydium API at api-v3.ray...
Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and Application Performance Monitoring (APM) into a s...
Raymond James Bank is a Florida-chartered state member bank headquartered in St. Petersburg, Florida, and a wholly owned subsidiary of Raymond James Financia...
Raymond James Financial is a diversified financial services holding company headquartered in St. Petersburg, Florida, providing investment banking, wealth ma...
Rayon is an AI-powered CAD (computer-aided design) platform built for interior designers and architects, positioned as a modern, browser-based alternative to...
Rayonier is a major US corporation and Fortune 1000 company. The Rayonier API provides programmatic access to its platform services, data, and integrations f...
Raytheon is an American aerospace and defense manufacturer operating as a business of RTX Corporation, the world's largest aerospace and defense company. Ray...
RayzeBio is a clinical-stage radiopharmaceutical therapeutics company headquartered at 5505 Morehouse Drive, Suite 300, San Diego, California, and since 2024...
Razer is a global lifestyle brand for gamers that designs gaming hardware (Blade laptops, mice, keyboards, headsets and other peripherals), software (Synapse...
Razor Group (Whele LLC) is a Berlin- and Boston-headquartered consumer goods holding company that acquires, consolidates and scales profitable e-commerce bra...
Razorpay is India's leading full-stack payments and business banking platform, enabling merchants to accept, process, and disburse payments across cards, UPI...
RB2B is a US-focused B2B website visitor identification platform that resolves anonymous web traffic into person-level leads — names, LinkedIn profiles, hash...
Role-Based Access Control (RBAC) is a security paradigm that restricts system access based on assigned roles rather than individual user identities. Users ar...
RC Chirp is a company surfaced as a portfolio company of a16z and added to the API Evangelist network as a stub for enrichment. This profile is a lead awaiti...
Rcom (Reliance Communications, RCOM) is an Indian telecommunications and digital infrastructure company providing enterprise connectivity, voice, and data-ce...
RCS Capital Corporation (RCAP) was a publicly traded holding company focused on the financial services industry, founded by Nicholas Schorsch and taken publi...
RCSB Protein Data Bank (RCSB PDB) is a scientific data resource providing free, open access to the 3D structural data of biological macromolecules including ...
Rendo Biotech (仁度生物) is a Shanghai-based molecular diagnostics company founded in 2007 and listed on China's STAR Market (Science and Technology Innovation B...
The Resource Description Framework (RDF) is a W3C standard for representing information about resources on the web. RDF is the foundation for linked data and...
The Remote Desktop Protocol (RDP) is a proprietary network protocol developed by Microsoft that provides a graphical interface to connect to another computer...
Re (Re Protocol) is an onchain reinsurance platform that channels stablecoin capital into fully collateralized, regulated reinsurance contracts. It issues tw...
RE/MAX Holdings, Inc. (NYSE: RMAX, SIC 6531, Denver, Colorado) is one of the world's largest real estate brokerage franchisors, licensing the RE/MAX brand to...
RE/MAX Canada is the Canadian arm of RE/MAX, LLC, operating the remax.ca consumer portal in English and French and franchising RE/MAX brokerages across the c...
Re:Build Manufacturing is a U.S.-based industrial engineering and manufacturing company that takes complex products from concept to full-rate production thro...
REA Group Limited is an ASX-listed (ASX:REA) digital real estate advertising business headquartered in Melbourne, Australia and majority-owned by News Corp. ...
Reach Power (Reach Labs) is a Y Combinator-backed (S2015) wireless power company building long-range wireless energy distribution networks, aiming to "do for...
Reach Labs (operating as Reach Power Inc.) is a wireless power transmission company that delivers electrical energy through the air without physical connecti...
Reachdesk is a global B2B corporate gifting and direct mail platform that enables sales, marketing, and customer success teams to send physical gifts, brande...
Reachware is an Integration Platform as a Service (iPaaS) that lets separate SaaS and business systems operate as one connected ecosystem, with 200+ prebuilt...
The React Foundation is a Linux Foundation project announced in February 2026 that supports React, React Native, and supporting components after Meta contrib...
Reaction Commerce is an open-source, API-first, headless commerce platform built with Node.js, React and GraphQL and deployed via Docker and Kubernetes. Acqu...
Reactiv is an AI-forward mobile app platform that empowers Shopify merchants and commerce brands to build native iOS and Android apps and downloadable-free A...
Reactive Biosciences is a company surfaced as a portfolio company of canaan-partners and added to the API Evangelist network as a stub for enrichment. This p...
Reactive Programming is a software development paradigm centered around asynchronous data streams and the propagation of changes. It enables building event-d...
Reactome is a free, open-source, curated, and peer-reviewed biological pathway database. It provides comprehensive pathway data covering human biology and or...
Reactor is a real-time video AI platform that streams generative video from GPU-hosted models to web and mobile applications over WebRTC, with sub-second rou...
Read AI is an AI-powered meeting intelligence platform that joins Zoom, Microsoft Teams and Google Meet calls as an authorized notetaker and turns them into ...
ReadMe is a developer hub platform that helps companies design, document, and operate their APIs. The platform combines hosted API reference (OpenAPI-driven)...
ReadMe is an API documentation and developer hub platform that helps companies build interactive API documentation, track API usage analytics, and improve de...
ReadMe is a developer-experience platform that turns an OpenAPI definition into interactive, personalized API documentation and developer hubs — complete wit...
ReadSoft was a provider of intelligent automation and business process management solutions for accounts payable and other document-intensive processes. Acqu...
ReadSpeaker provides text-to-speech (TTS) cloud and embedded solutions used to add voice to websites, mobile apps, e-learning, transportation systems, and mo...
Ready (formerly Argent) is a self-custodial crypto wallet and smart-account platform for Starknet and Ethereum. It builds account-abstraction wallets (Ready ...
Ready Player Me was a cross-game avatar platform: a hosted Avatar Creator plus REST APIs that produced interoperable 3D character avatars as binary glTF (.gl...
READY Robotics was a Columbus, Ohio industrial-automation software company, founded in 2016 out of Johns Hopkins University, that built Forge/OS — a universa...
ready2order is an Austrian cloud point-of-sale (POS) system for small businesses in gastronomy, retail, and services, running on tablets, phones, computers, ...
ReadyAPI is SmartBear's enterprise-grade automated API testing platform. It unifies functional, security, performance, and virtualization testing for REST, S...
Readyset is a realtime SQL caching engine for Postgres and MySQL. It sits between applications and the database as a wire-compatible proxy, automatically cac...
Real is a company surfaced as a portfolio company of insight-partners, lightspeed-venture-partners and added to the API Evangelist network as a stub for enri...
The Real Estate Institute of Australia (REIA), founded in 1924 and based in Canberra, is the national federation of the eight state and territory Real Estate...
RealGifts (Real Gift Services) is a Gifting-as-a-Service (GaaS) and G-Commerce platform, operating since 2008, that lets platforms and apps embed a turnkey g...
RealBlocks is a company surfaced as a portfolio company of techstars and added to the API Evangelist network as a stub for enrichment. This profile is a lead...
RealEstateAPI.com offers expressive property data APIs designed for building prop-tech applications. The platform exposes nationwide US property records incl...
Realink.com is a company surfaced as a portfolio company of insight-partners and added to the API Evangelist network as a stub for enrichment. This profile i...
Reality Defender is an enterprise deepfake and AI-generated media detection platform that identifies manipulated images, video, audio, and text across calls,...
Reality Reflection is a technology studio, surfaced as a portfolio company of 500 Global, whose website (realityreflection.com) is currently "under recovery"...
Realm is a consumer home-technology company that gives homeowners data-driven insights about their property's value and its renovation potential. The Realm p...
RealNetworks is a Seattle-based technology company that pairs AI-powered computer-vision and secure-communication products with its long-running consumer med...
Realogy Holdings (now Anywhere Real Estate) is a global provider of residential real estate services with brands including Better Homes and Gardens Real Esta...
RealPact is a Y Combinator (Summer 2026) startup building an AI-native operating system for real estate brokerages. Its voice-enabled AI agents automate the ...
RealPage is a multifamily and rental-housing software company offering property management, marketing, leasing, resident experience, accounting, facilities, ...
RealScout is a lead-nurture and collaborative home-search platform for real estate professionals — agents, teams, and brokerages — that turns an agent's exis...
Realta Fusion is a fusion-energy company developing compact, scalable, modular magnetic-mirror fusion systems branded CoSMo fusion to deliver zero-carbon hea...
A topic catalog of realtime APIs, protocols, providers, and patterns. Realtime distinguishes itself from streaming by being interactive and typically bidirec...
Realtime Robotics is a Boston-based industrial robotics software company that builds collision-free autonomous motion planning for multi-robot workcells. Its...
Realtor.com is an online real estate marketplace operated by Move, Inc., providing home listings, neighborhood information, and tools for buyers, sellers, an...
REALTOR.ca is the national residential property listing portal of the Canadian Real Estate Association (CREA), the cooperative trade association representing...
Realtor.com is a real estate listings website operated by Move, Inc., a subsidiary of News Corp, headquartered in Santa Clara, California. The platform is th...
RealtyMogul is a real estate crowdfunding and investment platform that gives individual and institutional investors online access to commercial real estate o...
RealtyMole (Realty Mole Property API) is a US real-estate and property data API distributed primarily through RapidAPI. It returns property records, AVM-base...
Realtyna provides real estate technology including IDX, RESO Web API integrations, MLS data routing, and a WordPress-based property platform (WPL). Their API...
RealtyShares is a company surfaced as a portfolio company of union-square-ventures and added to the API Evangelist network as a stub for enrichment. This pro...
RealWear builds rugged, hands-free head-mounted and assisted-reality wearable computers (the Navigator series and HMT-1) for frontline and industrial workers...
Realworld is a company surfaced as a portfolio company of techstars and added to the API Evangelist network as a stub for enrichment. This profile is a lead ...
Realy is a company surfaced as a portfolio company of multicoin-capital and added to the API Evangelist network as a stub for enrichment. Sector: crypto-web3...
REalyse is a UK residential property data platform that aggregates more than 100 data sources into geospatial analysis and market-intelligence tools for deve...
Reapit is a United Kingdom-headquartered supplier of agency CRM and property management software for estate and letting agents, best known for AgencyCloud an...
ReasonBlocks is a Y Combinator (Spring 2026) startup building a drop-in runtime layer that makes production AI agents observable, self-correcting, and cheape...
Rebag is an online marketplace for buying, selling, and trading pre-owned luxury goods — designer handbags, watches, fine jewelry, shoes, apparel, and access...
Rebaja Tus Cuentas is a Latin American consumer fintech, backed by 500 Global, that helps individuals lower their debt and monthly loan payments. Through its...
Rebel Foods is an Indian cloud-kitchen operator, headquartered in Mumbai, that describes itself as the world's largest chain of internet restaurants. It runs...
Rebel Girls is a global media and publishing brand that celebrates inspiring stories about girls and women, empowering young audiences through books, a podca...
Rebellion Defense (rebelliondefense.com) is a defense-technology company building an AI-driven "intelligence shield" for protecting critical infrastructure a...
Rebellions is an AI infrastructure company that designs energy-efficient AI inference hardware (NPUs) and the software stack to deploy large language and mul...
Rebookify is a travel-technology company that helps travel agencies and travel management companies save money on hotel bookings by continuously monitoring t...
Rebtel is a Swedish international communications company (Rebtel Networks AB, registered 556680-3622, headquartered in Stockholm) serving the world's roughly...
Rec Room is a cross-platform social gaming and user-generated-content platform where players hang out, play, and build their own rooms and games using in-app...
Recall is a decentralized AI-agent competition network — "the world's most trusted AI rankings." Agents compete head-to-head in crowdsourced skill markets (c...
Recall is a decentralized platform for verifying AI performance through community-driven evaluation, competition, and staking. Agents compete across skill ma...
Recall.ai provides meeting bot infrastructure through a REST API that enables developers to programmatically join Zoom, Microsoft Teams, Google Meet, Webex, ...
RecappED (recapped.io) is an AI-powered digital sales room and customer onboarding platform for B2B revenue teams. It consolidates the buying and selling pro...
ReccoBeats is a free music recommendation and database API service. It exposes a REST API over a database of millions of tracks, artists, and albums, and a m...
Receeve is a no-code debt collection and receivables management SaaS platform, founded in Hamburg, Germany and backed by Speedinvest. It was acquired by InDe...
Recess (Recess Academy, recess.gg) is an online school for gifted and neurodivergent students, including learners with ADHD, dyslexia, autism spectrum, and a...
Recharge (formerly ReCharge Payments) is a subscription and recurring-billing platform for e-commerce, most widely deployed on Shopify. DUPLICATE RECORD: thi...
Recharge (Recharge Payments) is a subscription and recurring-billing platform for e-commerce, most widely used on Shopify. Its public REST API at https://api...
Recife City Open Data is a open data portal open-data portal for Brazil running CKAN. It exposes the CKAN catalog API, a standardized machine-readable interf...
Recipe API is a B2B recipe and nutrition API providing structured recipes with comprehensive, USDA-backed nutrition data — 32 nutrients per recipe, structure...
Reckitt Benckiser is a British multinational consumer-goods company focused on health, hygiene, and nutrition. Its portfolio includes globally recognised bra...
AI-powered scheduling platform with a REST API for managing tasks, habits, meeting buffers, and automatically optimizing calendar time for deep work and meet...
ReCode Therapeutics is a clinical-stage genetic medicines company headquartered in Menlo Park, California with operations in Dallas, Texas, founded in 2015 o...
Recognise Bank Limited is a UK challenger bank focused on the SME sector and the personal and business savings markets, offering fixed-rate, notice, and easy...
RecommerceX is an engineering-driven manufacturing company applying circular-economy practices to transform industrial waste into advanced engineering materi...
Recommind was an enterprise information analytics and eDiscovery software company founded in 2000, best known for its CORE predictive-analytics platform and ...
Recorded Future is a threat intelligence platform whose Intelligence Cloud combines open-web, dark-web, technical, and customer telemetry sources via the Int...
Recordgram is a mobile music-creation platform, now operating as Cre8tor (cre8tor.app), that lets aspiring artists record songs, write lyrics, access a libra...
Recount Media operates The Recount, a political news and media outlet that distributes government and political coverage across social platforms (TikTok, Ins...
Recraft is an AI design platform offering raster and vector image generation, image editing, inpainting, background removal/generation, vectorization, upscal...
Recraft is a London-based AI design platform — founded in 2023 by Anna Veronika Dorogush (creator of the CatBoost ML framework) — that builds production-grad...
The Recreation Information Database (RIDB) provides data resources to citizens, offering a single point of access to information about recreational opportuni...
Recruitee (part of Tellent) is a collaborative applicant tracking system (ATS) and recruiting platform that helps growing companies build hiring pipelines, p...
Recurly is a subscription management and recurring billing platform that handles signups, plans, add-ons, coupons, dunning, invoicing, tax, revenue recogniti...
Recuro Health is an integrated digital health company operating a virtual-first care delivery platform — a "Digital Medical Home" — sold to employers, health...
Recurrency is an AI-powered ERP automation platform for wholesale distributors and B2B suppliers, sitting on top of distribution ERPs to automate and optimiz...
Recursal AI, Inc. operates Featherless AI, a serverless AI inference platform that provides unified, OpenAI-compatible API access to tens of thousands of ope...
Recurse ML is an AI-powered code review platform built for modern development workflows that lean on AI coding assistants like Cursor, Claude Code, and GitHu...
Recursion (Recursion Pharmaceuticals, NASDAQ RXRX) is a clinical-stage TechBio company that industrializes drug discovery by combining wet-lab automation, pr...
Recursion Pharmaceuticals (NASDAQ: RXRX) is a Salt Lake City-based AI-enabled drug discovery company that operates the Recursion Operating System (Recursion ...
Recursive (Recursive Superintelligence) is an AI research company founded in 2025 and backed by Earlybird, building recursive self-improving systems designed...
Recursive (Recursive Superintelligence) is an AI research company based in San Francisco and London building recursive self-improving superintelligence to au...
Recycleye is a London-based company building AI-powered sorting equipment and analytics for waste management and material recovery businesses worldwide. Its ...
Recyda is a German software company offering an all-in-one platform for packaging sustainability and regulatory compliance. The platform centralizes packagin...
Red 6 (Red Six Aerospace, Inc.) is a defense technology company founded in 2018 that builds outdoor, high-speed augmented reality for military aviation train...
Red Access (redaccess.io) is a cloud-based enterprise browsing and Secure Service Edge (SSE) security platform delivering agentless, browser-native protectio...
Red Balloon Security is an embedded-device and firmware security company that protects critical infrastructure across automotive, aerospace, defense, industr...
Redbeacon was a consumer home-services marketplace that connected homeowners with local service professionals — for home repair, cleaning, landscaping, handy...
Red Canary is a Managed Detection and Response (MDR) provider that monitors endpoint, identity, cloud, email and network telemetry on behalf of its customers...
Red Energy Pty Ltd (ABN 60 107 479 372) is an Australian electricity and gas retailer, wholly owned by Snowy Hydro Ltd, that supplies more than a million res...
APIs and developer resources from Red Hat, a leading provider of enterprise open source solutions including Linux, cloud, container, and Kubernetes technolog...
Red Hat 3scale API Management is an enterprise-grade API management platform that enables organizations to share, secure, distribute, control, and monetize A...
Red Hat Ansible Automation Platform is an enterprise automation solution that provides a framework for building and operating IT automation at scale. It incl...
Red Hat Enterprise Linux (RHEL) is the world's leading enterprise Linux platform, providing APIs and services for subscription management, security insights,...
Red Hat Enterprise Linux 8 (RHEL 8) is an enterprise-grade Linux distribution that provides a stable, secure, and high-performance operating system platform ...
Red Hat OpenShift is an enterprise Kubernetes platform that provides a consistent hybrid cloud foundation for building, deploying, and scaling containerized ...
Red Hot Labs is a company surfaced as a portfolio company of a16z and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
Red Points operates an AI-powered brand protection and anti-counterfeiting platform used by businesses to detect and remove counterfeits, unauthorized seller...
RedRidge Bio is a clinical-stage biotechnology company that identifies and develops biparatopic antibodies, an antibody class engineered to bind two distinct...
Red Sky Systems is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profi...
Red Tricycle (redtri.com) was a digital parenting media company publishing local family activity guides, things-to-do listings, product roundups, and lifesty...
Red Ventures is a privately held digital marketing and media holding company headquartered in Fort Mill, South Carolina, operating a portfolio of high-growth...
Red5 provides real-time streaming infrastructure for live video and audio delivery at scale. The Red5 Pro platform includes a media server, Stream Manager 2....
Redaptive is an energy infrastructure modernization company that funds, installs, and measures energy-saving and energy-generating equipment across large mul...
RedBack Networks is a company surfaced as a portfolio company of accel, mayfield and added to the API Evangelist network as a stub for enrichment. This profi...
RedCap is an automotive dealer service software company that built an on-demand vehicle pickup-and-delivery, loaner, and shuttle platform for dealership fixe...
Redcarpetup is a company surfaced as a portfolio company of y-combinator and added to the API Evangelist network as a stub for enrichment. This profile is a ...
RedCircle is a podcast advertising, hosting, and monetization platform founded in 2018 that turns podcast host-read endorsements into measurable results for ...
Reddit is a social news aggregation, discussion, and community platform where users submit, vote, and comment on content organized into topic-based communiti...
RedDoorz is a Southeast Asian budget-hospitality technology company that operates a franchise and management network of economy hotels and rooms across Indon...
REDEF is a media curation and newsletter company founded and led by Jason Hirschhorn (CEO + Chief Curator) that "DJs the internet" — surfacing daily remixes ...
Redefine Meat is an Israeli food-technology company, founded in 2018, that manufactures plant-based whole-cut meat alternatives it markets as New-Meat, using...
Redesign Health is a global venture and applied technology firm that backs and builds next-generation healthcare companies. Founded in 2018, it partners with...
Redfin is a technology-powered real estate brokerage that provides property search, home value estimates, listing details, neighborhood statistics, commute d...
Redis is an open source, in-memory data structure store used as a database, cache, message broker, and streaming engine. It supports strings, hashes, lists, ...
Redis Streams is a data structure in Redis that models an append-only log for managing streams of data, providing consumer groups, message acknowledgment, an...
Redmine is a flexible open source project management web application written in Ruby on Rails that supports multiple projects, issue tracking, Gantt charts, ...
RedNote, known in China as Xiaohongshu (小红书, "Little Red Book"), is a Shanghai-based social and e-commerce platform operated by Xingyin Information Technolog...
ReDoc is an open-source API documentation renderer for OpenAPI specifications by Redocly. It generates a responsive three-panel documentation layout from Ope...
Redocly is a company that specializes in API documentation and governance tooling. Their platform helps organizations create, manage, and publish API documen...
RedotPay is a global stablecoin-based payment fintech that integrates blockchain solutions with traditional banking and finance infrastructures. The platform...
Redox is a healthcare data interoperability platform, founded in 2014 and headquartered in Madison, Wisconsin, that enables secure, real-time exchange of cli...
Redpanda is a Kafka API-compatible streaming data platform written in C++ with no JVM and no ZooKeeper, optimized for low latency and operational simplicity....
Red Planet Labs builds Rama, a unified backend platform for the JVM (Java/Clojure) that consolidates databases, queues, workers, and infrastructure into a si...
Redpoint Ventures is a Silicon Valley venture capital firm founded in 1999 and headquartered in Menlo Park, California, with additional offices in San Franci...
RedStone is a modular blockchain oracle infrastructure provider delivering tamper-proof price feeds and off-chain data to smart contracts across 100+ EVM and...
Redstone Communications is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. Th...
Reduct (reduct.video) is a video intelligence platform that transcribes, translates, redacts, searches, annotates, and edits audio and video through a text-b...
Reducto is an agentic document platform that provides a REST API for parsing, extracting, splitting, classifying, and editing complex documents such as PDFs,...
Reducto is an AI document-parsing platform that turns unstructured PDFs, images, spreadsheets, slides, and forms into LLM-ready layout, structured data, and ...
Redux is a predictable state container for JavaScript apps. It helps write applications that behave consistently, run in different environments (client, serv...
RedWing Aerospace Laboratories (RedWing Labs, operated by Kitemaps AMS Pvt Ltd) is a Bangalore, India based, Techstars-backed company that designs, develops ...
Redwood Bank is a specialist UK challenger bank for small and medium-sized businesses, headquartered in Letchworth Garden City, Hertfordshire. Launched in 20...
Redwood Materials is a Carson City, Nevada battery materials company founded in 2017 by former Tesla CTO JB Straubel. It operates a domestic circular supply ...
Redwood Systems is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profi...
Full-stack JavaScript framework with a built-in GraphQL API layer (Yoga + Envelop stack), schema-first development, and automatic SDL generation for Prisma-b...
Reebee is a company surfaced as a portfolio company of y-combinator and added to the API Evangelist network as a stub for enrichment. This profile is a lead ...
Reebelo is a marketplace for certified refurbished consumer technology — smartphones, laptops, tablets, smartwatches, gaming and home electronics — sold by a...
Reed Semiconductor Corp. is a fabless power-management semiconductor company founded in 2019 and headquartered in Rhode Island, USA, with offices in Taipei, ...
Reedsy is a marketplace and toolset for authors and publishers, connecting writers with a curated network of more than 3,700 vetted publishing professionals ...
REEF Technology operates a network of urban logistics and proximity real-estate locations, transforming underutilized spaces such as parking lots into multi-...
ReefAPI is a unified web-data gateway that fronts 183 production data engines - Amazon, Zillow, Reddit, Trustpilot, LinkedIn Jobs, Indeed, Google Maps, Booki...
Reelables provides Track Anywhere smart labels and a RESTful platform API for global supply-chain and logistics visibility. The paper-thin Bluetooth and cell...
ReelData AI builds artificial intelligence software for land-based aquaculture, helping recirculating aquaculture system (RAS) fish farms maximize growth, mi...
Reesio is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
reetian (Chinese brand 瑞天数智, Reetian Digital Intelligence) is a China-based digital-intelligence company surfaced as a portfolio company of the venture firm ...
REEV is a medical-technology company developing AI-powered wearable robotics for mobility recovery and neurological gait rehabilitation. Its REEV SENSE platf...
Reevo is an AI-native revenue platform ("revenue operating system") that consolidates the sales workflow into one system across four products: Find (lead sou...
Reface (NeoCortext, Inc.) is an AI-native consumer app studio best known for its flagship Reface face-swap and AI-avatar application, alongside a portfolio o...
Refact.ai is an open-source, local-first AI coding assistant and autonomous software-engineering agent built by Small Magellanic Cloud Ai Ltd. ("SmallCloud")...
Referly is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead a...
Affiliate marketing platform for e-commerce brands providing a REST and GraphQL API for managing affiliates, tracking referrals, processing commissions, and ...
RefineRE is a commercial real estate (CRE) SaaS platform that unifies benchmarking, data analysis, and portfolio usage tools into a single product suite for ...
Refinitiv, an LSEG (London Stock Exchange Group) business, provides financial market data, infrastructure, and analytics to businesses and financial professi...
Refinitiv Eikon provides financial professionals with access to real-time market data, news, analytics, and trading capabilities. The Eikon Data API allows p...
Refitter is a .NET tool and source generator that produces Refit HTTP client interfaces from OpenAPI specifications. It runs at compile time as a source gene...
Reflect is an AI-powered automated end-to-end testing platform that enables teams to effortlessly create, execute, and troubleshoot automated browser tests. ...
Reflect Orbital is a space-technology company developing satellite-based infrastructure to redirect natural sunlight to precise locations on Earth. It offers...
Reflect Software is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This prof...
Reflection AI is an artificial intelligence research lab building frontier open intelligence — open models that let anyone control their own intelligence and...
Reflektion is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profile is...
Reflektive is a cloud-based performance management platform that enables organizations to scale constructive, ongoing conversations across their workforce. T...
Reflex is a company surfaced as a portfolio company of lux-capital and added to the API Evangelist network as a stub for enrichment. Sector: deep-tech. This ...
Reflex (Reflex Careers) is an on-demand labor platform for retail stores, connecting brands and store operators with vetted, background-checked associates fo...
Reflexer Labs builds RAI, a decentralized, non-pegged stable asset backed by ETH on Ethereum. Rather than tracking the US dollar, RAI uses an on-chain PID co...
RefleXion Medical is a privately held therapeutic oncology company headquartered in Hayward, California, founded in 2009 by Sam Mazin and Akshay Nanduri arou...
Reflexivity (founded 2019 in New York as Toggle AI) is an institutional investment analysis platform that pairs licensed market data from S&P Global, LSEG Da...
Reforge is the company behind Reforge Launch, a developer platform for feature flags, live configuration, dynamic log levels, and experimentation delivered a...
Reform is a conversion-focused, no-code form builder for B2B and SaaS teams, acquired by conversion-rate-optimization agency FunnelEnvy. It builds multi-step...
Reframe (usereframe.ai) is a San Francisco-based Y Combinator Winter 2026 company, founded in 2025 by Bryan Zin (previously a Product Design Engineer on the ...
Refresh (refresh.si) is a Slovenian digital marketing agency focused on building and growing digital brands. It was surfaced as a portfolio company of Slow V...
Refuel is a data labeling and enrichment platform that uses large language models to label, clean, structure, and enrich text datasets at scale. Its Refuel C...
Refuel is an AI data-labeling and data-enrichment platform that uses large language models to label, clean, structure and enrich enterprise datasets. Refuel ...
Refurbed is a European online marketplace for professionally refurbished electronics and other sustainable goods, headquartered in Vienna, Austria and operat...
Refyne is an Indian financial wellness platform and the country's first earned wage access (EWA) provider, letting employees draw a portion of their already-...
Regal is a New York City-based AI Agent Platform purpose-built for contact center operations. The Regal platform lets enterprises design, test, deploy, monit...
Regal Beloit was a global manufacturer of electric motors, electrical motion controls, power generation, and power transmission products before merging with ...
Regal Entertainment Group operates one of the largest motion picture theatre circuits in the United States, with theatres located in densely populated metrop...
Regal Rexnord is a major US corporation and Fortune 1000 company. The Regal Rexnord API provides programmatic access to its platform services, data, and inte...
Regard is an AI-powered clinical diagnosis and documentation platform for hospitals and health systems. It reviews 100% of a patient's electronic health reco...
Regbase is an AI-native regulatory intelligence platform that helps legal teams, compliance professionals, researchers, and government vendors monitor new an...
Regency Energy Partners LP (NYSE: RGP) was a publicly traded master limited partnership focused on midstream natural gas services including gathering, proces...
Regency Healthcare is a multi-specialty tertiary and super-speciality hospital network in northern India, operating five centres across Kanpur, Lucknow and G...
Regeneron Pharmaceuticals is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines, including EYLEA and EYLE...
Regeneron Pharmaceuticals is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines for people with serious d...
REGENT Craft Inc. is a Rhode Island maritime mobility manufacturer building the Seaglider, an all-electric wing-in-ground-effect (WIG) vessel that floats on ...
Reggora is a modern appraisal management platform that connects mortgage lenders and appraisal vendors on a single system, automating the appraisal lifecycle...
Regie.ai is an AI-powered sales engagement platform that helps B2B sales teams scale outbound without adding headcount. Its flagship product, RegieOne, unifi...
Regional Australia Bank is a customer-owned (mutual) authorised deposit-taking institution (ADI) headquartered in Armidale and Port Macquarie, New South Wale...
Regions Financial Corporation is a member of the S&P 500 Index and one of the nation's largest full-service providers of consumer and commercial banking, wea...
Regrello is an AI operating system for manufacturing and supply chain operations, giving teams that are stuck in email and stifled by decades-old ERPs an age...
Regression Games builds AI agents and bots for video games. Its platform lets studios create bots for QA testing, multiplayer simulation, game balancing, and...
Regrid is a national land parcel data platform providing REST APIs for querying parcel boundaries, ownership, zoning, assessed values, and deed records acros...
RegScale is a Continuous Controls Monitoring (CCM) and compliance-automation company whose cloud-native, OSCAL-native GRC platform keeps organizations contin...
A sequence of characters that define a search pattern, commonly used for string matching, validation, and text manipulation across programming languages and ...
Regular Finance (Regular) is a French fintech offering a consumer digital-asset yield account. Customers deposit euros by bank transfer and earn roughly 5.50...
Regulations.gov is the US federal government's central portal for public participation in the rulemaking process, operated by the General Services Administra...
The regulatory domain encompasses compliance requirements, regulatory reporting, and governance frameworks that organizations must adhere to across industrie...
Regulatory DataCorp (RDC) was a risk and compliance intelligence company whose flagship GRID (Global Regulatory Information Database) powered KYC, AML, and t...
Pre-built templates, frameworks, and policy libraries for meeting regulatory compliance requirements across industries and jurisdictions including GDPR, HIPA...
Regulus is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead a...
Rei do Pitaco is a Brazilian online sports betting, daily fantasy sports, and casino platform founded in 2019 and headquartered in Brazil. The service offers...
Reibus is a technology-enabled B2B platform for the industrial metals industry, originally a digital marketplace for buying and selling steel and other metal...
Reibus International is an Atlanta, Georgia headquartered technology company operating a digital marketplace and open-deck freight logistics platform for the...
Reify Health is a clinical research technology company whose mission is to remove clinical trial operations as the bottleneck to delivering new therapies to ...
Reindeer AI is an enterprise agentic AI platform that automates back-office business operations across finance, banking, insurance, supply chain, procurement...
Reiner.ai (operated by AI Mapping GmbH of Cologne, Germany) is a construction- and planning-industry AI platform for architects, engineers, and planners. It ...
Reinfer was a London-based communications intelligence company, backed by Seedcamp, that built a natural-language-processing platform for mining structured i...
Reinsurance Group of America (RGA) is a leading global provider of life and health reinsurance and financial solutions, serving clients in more than 70 count...
Rejoni, Inc. is a privately held, clinical-stage women's health medical device company founded in June 2020 by serial entrepreneur Amar Sawhney, PhD and Pram...
Reka is a multimodal foundation model company building natively multimodal large language models capable of joint reasoning over text, image, video, and audi...
Reken is an AI security company building a trust layer for the Internet to combat generative-AI-enabled fraud, phishing, scams, deepfakes, and automated soci...
REKKI is a food wholesale ordering platform that connects restaurants and chefs (buyers) with their suppliers. Restaurants place orders through the REKKI app...
Rekord is a Dublin-based fintech platform that helps banks and fintechs automate credit underwriting and customer onboarding. Its AI-native decisioning platf...
Relace builds purpose-built AI models and infrastructure for coding agents. Its hosted API exposes fast, specialized models — Instant Apply (relace-apply-3) ...
Relatable is a Product Relationship Management (PRM) platform for the medical technology and medical device industry, based in Nashville, Tennessee and backe...
Related Companies is a privately held, fully integrated real estate firm founded by Stephen Ross in 1972 as an affordable-housing developer and now active ac...
relateIQ is a company surfaced as a portfolio company of accel, battery-ventures, redpoint-ventures and added to the API Evangelist network as a stub for enr...
Relation Therapeutics (Relation Rx) is a London- and Boston-based end-to-end biotechnology company developing transformational medicines with technology at i...
Relational data modeling is a database design approach that organizes data into tables (relations) with rows and columns, establishing relationships between ...
RelationalAI is a decision-intelligence platform delivered as a Native App inside Snowflake. Its core product, Rel, builds a semantic model from data in Snow...
Relativity is an eDiscovery and legal review platform offering RelativityOne, a cloud-based SaaS solution for managing the full legal data lifecycle. Its RES...
Relativity Space is an aerospace manufacturer building Terran R, a reusable medium-to-heavy lift orbital launch vehicle produced with the company's proprieta...
RelativityOne is a cloud-based eDiscovery and legal technology platform that provides comprehensive REST APIs for legal hold management, document processing,...
Relay is a company surfaced as a portfolio company of general-catalyst and added to the API Evangelist network as a stub for enrichment. This profile is a le...
Relay is an online business banking and cash-flow management platform for small and medium-sized businesses, offering up to 20-50 checking accounts, virtual ...
Relay.app is an AI-powered workflow automation platform that converts plain language into reliable visual workflows across 200+ app integrations. It supports...
Relay is Meta's open-source JavaScript framework and ahead-of-time GraphQL compiler for building data-driven React applications. The Relay Compiler scans Jav...
Relay Payments operates a secure digital payment network purpose-built for the freight and trucking industry. Its mobile app and platform let carriers, owner...
Relay Therapeutics is a clinical-stage precision-medicine company in Cambridge, Massachusetts that discovers and develops small-molecule therapeutics for can...
Relay.app was a workflow automation platform (an AI-assisted alternative to Zapier and Make) that let teams build and run automated, multi-step workflows con...
Release is a developer-tools platform that provisions on-demand, full-stack ephemeral environments inside your own AWS or GCP cloud accounts. Positioned as a...
Relevance AI is an agent platform for building, testing and running specialist AI agents and multi-agent "workforces" — teams of agents that coordinate on a ...
Relevize is an AI-driven partner payments and channel marketing platform that helps B2B companies run Market Development Funds (MDF), SPIFs, and partner ince...
RELEX Solutions is a Helsinki-headquartered supply chain and retail planning software company whose unified platform covers demand forecasting, inventory and...
Reliability Won is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profi...
Reliable Robotics is a California-based aerospace company developing continuous autopilot and remote piloting systems that retrofit existing fixed-wing aircr...
Reliance Health (formerly RelianceHMO) is a healthtech company making quality healthcare accessible and affordable across emerging markets, with operations c...
Reliance Jio Infocomm, the telecom arm of Jio Platforms Limited and Reliance Industries, is India's largest mobile network operator, serving roughly half a b...
Reliance Steel & Aluminum Co. is the largest metals service center in North America, providing value-added metals processing services and distributing a full...
Reliance, Inc. (NYSE: RS) is the largest metals service center operator in North America, distributing approximately 100,000 metal products across aluminum, ...
Relievant Medsystems is a medical device company that developed the Intracept Procedure, a minimally invasive treatment that uses radiofrequency ablation of ...
Religion of Sports is an Emmy Award-winning sports media and entertainment production studio founded in 2017 by Tom Brady, Michael Strahan and Gotham Chopra,...
Relish is a consumer product operated at hellorelish.com and backed by Bullpen Capital, added to the API Evangelist network as a venture-portfolio lead. Live...
Reliv is a digital medical ecosystem operating in Ecuador and Mexico that aims to simplify healthcare management for clinics, hospitals, doctors, and patient...
Reload is "team chat for AI agents" — a workspace where every teammate's AI agents (Claude Code, Cursor, Codex, Devin, and any MCP-speaking agent) meet, work...
Reloadly is a global digital rewards and payments platform providing APIs for sending digital gift cards, airtime top-ups, and data bundles worldwide. The pl...
Reltio is a cloud-native, AI-native master data management (MDM) and Context Intelligence Platform that unifies, cleanses, harmonizes, governs, and activates...
Rely.io is an internal developer portal that aggregates engineering data, provides software catalogs with blueprints and entities, engineering scorecards, se...
Relyance AI is an AI-native data security, AI security, and privacy platform that maps data flows from source code through cloud and SaaS systems to AI model...
Remarcable is an AI-powered procurement and materials-management platform built for MEP (mechanical, electrical, plumbing) trade contractors, distributors, a...
Remarkable AI is an AI-powered customer engagement platform for consumer and ecommerce brands, delivering 1:1 personalized messaging across email, SMS, and s...
remberg is a Munich-based B2B SaaS provider of an Intelligent Asset Platform for maintenance, operations, and service — CMMS/EAM/CAFM software used by indust...
Remedee Labs is a French medical device company founded in 2016 in Grenoble that develops millimeter-wave neuromodulation solutions for chronic pain manageme...
Remedial Health is a Nigeria-based healthtech company digitizing pharmaceutical procurement and pharmacy operations across Africa. Its platform connects reta...
Remedio is an autonomous cybersecurity remediation platform that detects and automatically fixes misconfigurations, configuration drift, and emerging Shadow ...
Remedy Corporation was an IT service management (ITSM) software company founded in 1991 by Lawrence Garlick, David Mahler, and Doug Mueller, and backed by Ac...
Remedy Robotics is a medical robotics company developing what it describes as the world's first endovascular robot capable of performing entire cardiovascula...
Remedyskin (Remedy Science, operated by Doctorly Skin Inc.) is a dermatologist-developed skincare and beauty brand founded by Dr. Muneeb Shah. It sells a dir...
Remerge is a mobile demand-side platform (DSP) specializing in app retargeting, re-engagement, and user acquisition for mobile apps. The Berlin-based company...
Remesh is an AI-powered market research and audience insights platform that runs live, asynchronous, and video conversations with customers or employees at s...
Remilk is a food-technology company, founded in 2019 by Aviv Wolff and Ori Cohavi and headquartered in Rehovot, Israel, that produces animal-free dairy prote...
Remind is a K-12 school-home communication platform that lets teachers, schools, and districts message students and families by text, app, email, and voice w...
Remio is a company surfaced as a portfolio company of techstars, version-one-ventures and added to the API Evangelist network as a stub for enrichment. This ...
Remitbee is a Canadian licensed money-services business (FINTRAC-regulated, founded 2014, Mississauga, Ontario) offering low-cost international money transfe...
Remitian is a fintech platform providing embedded tax payment infrastructure for tax software providers and accounting firms. Often described as the "Stripe ...
Remitly is a Seattle-based digital financial services provider for immigrants and their families, operating a global cross-border remittance and money-moveme...
Remix (YC W26, "remix-3" in the Y Combinator directory) is a San Francisco AI startup building a consumer social-media content platform under the tagline "Tr...
RemNote is an AI-powered note-taking, spaced-repetition, and PDF-annotation study platform founded at MIT and backed by General Catalyst, used by over a mill...
Remofirst is a global employment platform and Employer of Record (EOR) that helps companies hire, onboard, pay, and manage full-time employees and contractor...
Remoov is a San Francisco-based full-service removal, resale, donation, and recycling company that helps households and businesses declutter by picking up un...
Remora is a carbon-capture startup (legally Echeneidae Inc.) founded in 2020 and based in Wixom, Michigan, that retrofits semi-trucks and locomotives with ze...
Remote is a global HR platform for hiring, paying, and managing employees and contractors across 60+ countries. Its Employer of Record (EOR), global payroll,...
Remote.com is a global employment platform that lets companies hire, pay, and manage employees and contractors in 90+ countries without setting up local enti...
Render is a cloud platform for building and running applications and websites with automatic Git-based deployments. It provides managed infrastructure for we...
Renegade Insurance is a property and casualty (P&C) insurance company built around independent agents. It runs an agency franchise network, acquires agencies...
Renesas Electronics Corporation (TYO: 6723) is a global semiconductor manufacturer producing microcontrollers and microprocessors (RA, RX, RL78, RH850, RZ, S...
Renew Financial (Renew Financial Group LLC) is a specialty consumer finance company founded in 2008 and headquartered in Oakland, California that pioneered a...
Renewable Energy Group (REG) is a North American producer of biodiesel and renewable diesel, founded with biodiesel operations dating to 1996 and formally es...
rENIAC Inc. is a Santa Clara-based data acceleration company whose flagship product, the rENIAC Data Engine (rDE), is a drop-in accelerator for open source a...
Reno (Reno Home) is a Dubai, UAE based one-stop home renovation platform that connects homeowners and businesses with professional interior designers and vet...
RenoFi is a home-renovation financing platform that partners with credit unions and lenders to offer renovation-specific loans underwritten against a home's ...
Renoster Systems is a carbon-credit ratings agency bringing deep transparency to the nature-based voluntary carbon markets. Using remote sensing, LiDAR, sate...
Renotag, Inc. is a Calgary, Canada based construction-technology startup (founded 2020, backed by 500 Global) that builds home-renovation and construction co...
Renovate is an open source automated dependency update bot maintained by Mend. It scans repositories for references to dependencies across 100+ package manag...
Renovate is an Open Source, cross-platform dependency automation tool by Mend.io that automatically creates pull requests to keep software dependencies up to...
Renoviso is a company surfaced as a portfolio company of bessemer-venture-partners and added to the API Evangelist network as a stub for enrichment. Sector: ...
Renren (人人网), originally launched as Xiaonei in 2005 and renamed in 2009, was one of China's largest social networking platforms and was widely described as ...
Rens Energy is a Shanghai-based distributed energy-storage and energy-management company founded in 2017. It builds distributed energy-storage systems and en...
Rent Manager is property management software with a REST API (WAPI12) for managing properties, tenants, leases, work orders, accounting, billing, and mainten...
Rent the Runway is a New York-based fashion technology company operating a subscription and one-time rental service for designer apparel and accessories, del...
Rent-A-Center is a lease-to-own retail company providing furniture, electronics, appliances, and computers through its Rent-A-Center stores and Acima (former...
RentAHuman.ai is the marketplace where AI agents hire humans for physical-world tasks — errands, in-person meetings, field research, photography, deliveries,...
Rentals.ca is a Toronto-headquartered residential rental marketplace and the flagship brand of the Rentals.ca Network, which also operates Rentfaster.ca, Lou...
Rentberry, Inc. is an international long-term home rental marketplace founded in 2015 and headquartered in San Francisco, California. The platform runs the w...
RentCast provides a real estate data API with instant access to over 140 million property records, automated valuation models (AVM) for home value and rent e...
RentCheck is a resident-led property inspection platform used by 1,000+ property management companies to run guided move-in, move-out, routine, and maintenan...
Rentec Direct provides property management software with a REST API for managing rental properties, tenant screening, online payments, maintenance requests, ...
Rentify was a London-based property technology (PropTech) startup founded in 2011 that built an online lettings and property-management platform for landlord...
Rentle, now operating as Twice Commerce, is a Helsinki-founded (2018) circular-commerce platform that lets merchants run rentals, resale, and subscriptions f...
Rentlytics was a multifamily real estate data analytics company founded in 2012 and headquartered in San Francisco, CA (with offices in Sacramento and Denver...
RentMineOnline was a San Francisco-based software-as-a-service company, founded in 2007, that brought resident referral programs online for the multifamily r...
Rentomojo is India's largest tech-driven, full-stack direct-to-consumer furniture and appliance rental platform, converting ownership into flexible monthly s...
RentSpree is a Los Angeles-headquartered rental real estate technology platform that streamlines the long-tail rental transaction for real estate agents, lan...
Rentvine is a modern property management platform offering a fully open RESTful API for managing properties, leases, tenants, maintenance requests, financial...
Reolink is a provider of security cameras and smart home surveillance technology. Their cameras offer an HTTP API that enables direct device control and conf...
Reonic is a German climate-tech company (founded 2021, Augsburg) building an AI-powered operating system for renewable-energy installers. Its platform covers...
Reonomy (an Altus Group company) is a commercial real-estate property-intelligence platform whose REST API delivers property search, property detail, ownersh...
Repacket is an AI-native Secure Web Gateway (SWG) that makes endpoint security simple by blocking the majority of online threats by default. It protects orga...
Repeat is a lifecycle and retention marketing platform for consumer packaged goods (CPG) and e-commerce brands, now operated as a product of Stamped. It conn...
Repertoire Immune Medicines is a Cambridge, Massachusetts biotechnology company (with a site in Schlieren, Switzerland) building immune medicines grounded in...
Rephrase.ai is a Bengaluru-based generative-AI startup whose text-to-video platform, Rephrase Studio, turns plain text scripts into videos of digital human a...
Replay is an AI-native QA and time-travel debugging platform for web applications. Replay QA autonomously explores a web app, records every session in a dete...
Replenysh is an enterprise circularity platform that runs circular supply chains for brands and recovery facilities. It routes, recovers, verifies, and optim...
Replica is a San Francisco-based data platform for the built environment, spun out of Alphabet's Sidewalk Labs in 2019, that operates a nationwide activity-b...
Replica Studios (operated by Replica Media Pty Ltd) built AI voice, text-to-speech (TTS) and speech-to-speech (STS) technology for creators, game developers,...
Replicant is an enterprise agentic customer service platform that automates high-volume contact center conversations across voice, chat, and messaging, and a...
Replicas (tryreplicas.com), a Y Combinator (Spring 2026) company, runs end-to-end background coding agents in isolated cloud sandboxes. Teams delegate engine...
Replicate lets you run machine learning models in the cloud with a simple API. Thousands of open-source models are available, and you can run your own custom...
Replicated is a commercial software distribution platform that lets independent software vendors (ISVs) deliver and manage modern applications into complex, ...
Replicon, now a Deltek company, is a time-tracking, project time and expense, and professional-services automation (PSA) platform. Its Time Intelligence Plat...
Replika is a consumer AI companion chatbot created by Luka, Inc., launched November 2017 and now serving 40+ million users. The product personalizes a neural...
Replit is a cloud-based development platform that lets you create, run, and deploy software directly from your browser. It provides instant, containerized en...
Reply.ai was a conversational AI and customer-experience platform founded in 2016 in New York City, building software to automate repetitive customer-service...
Replyr.ai (Replyr Sdn Bhd, Kuala Lumpur, Malaysia) is an AI-powered customer engagement and patient-acquisition platform aimed at Malaysian clinics. It build...
Pre-built document templates for generating standardized reports, dashboards, and data presentations with consistent formatting and structure. Organizations ...
Reposit is a UK-based PropTech and fintech company offering a deposit alternative for the residential rental market. Instead of paying a traditional cash dep...
Reposit Power is an Australian home-energy technology company founded in 2012 and headquartered in Canberra, ACT, that builds the Reposit Controller — a loca...
Reprise is the enterprise demo creation platform sales, presales and marketing teams use to build no-code interactive product demos — guided Product Tours ca...
Repsly is a retail execution and field sales platform for CPG brands and field teams - covering in-store activity, merchandising, retail audits, order taking...
Republic is a New York-based fintech and private investing platform (republic.com) that lets retail and accredited investors access early-stage startups, pri...
Republic Project * is a company surfaced as a portfolio company of gv and added to the API Evangelist network as a stub for enrichment. Sector: enterprise. T...
Republic Services is one of the largest providers of non-hazardous solid waste disposal, recycling, and environmental services in the United States. As a For...
RepublicProject is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is ...
Reputation is an AI-powered reputation performance platform providing a REST API for managing online reviews, social listening, business listings, surveys, a...
ReqBin is an online HTTP/REST API client for testing API requests directly from the browser without plugins or software installation. It supports all HTTP me...
ReqKey is out-of-band API key authentication, usage credits, rate limiting and request analytics as a service for teams that sell or expose an API. It never ...
ReqRes (reqres.in) is a hosted REST API originally launched by Ben Howdle as a free no-auth fake-API surface for AJAX prototyping, tutorials, and frontend te...
Requantive is a company surfaced as a portfolio company of canaan-partners and added to the API Evangelist network as a stub for enrichment. This profile is ...
Request Finance is a crypto and fiat invoicing, payments, and payroll platform that lets businesses issue invoices, accept payments in crypto and fiat, pay c...
Requests is a simple and elegant HTTP library for Python, designed for human beings. Published under the Apache2 license by the Python Software Foundation (P...
Requesty is an LLM routing and gateway platform that exposes a single OpenAI-compatible API across 300+ models from providers like OpenAI, Anthropic, DeepSee...
Rerun is an open-source data platform — "the unified data layer for physical AI" — for multimodal, multi-rate time-series data from robotics and computer vis...
Res (ResQ) is an AI-powered operations platform for the service economy, connecting restaurants, hospitality groups, and facilities-management teams with vet...
Rescale is a high-performance computing (HPC) and simulation platform that gives R&D and engineering teams a unified, cloud-based environment to run modeling...
Rescripted is a digital women's health platform dedicated to empowering women across the entire lifecycle, from first period to last. It combines an editoria...
RescueGroups.org provides the only updatable HTTP/JSON API for adoptable pet data, offering comprehensive search across animals, organizations, breeds, speci...
ResearchGate is a professional network and social platform for scientists and researchers, founded in 2008 in Berlin, Germany. Members use it to share and di...
Resemble AI is a voice cloning, TTS, voice conversion, and voice agent platform. The Resemble REST API at https://api.resemble.ai exposes synchronous synthes...
Resend is a developer-first email API platform that simplifies sending and managing transactional and marketing emails. It provides a clean REST API with bea...
Reserv is an insurance technology company and third-party administrator (TPA) that combines AI-powered automation with human claims expertise to handle prope...
Reserve was a restaurant-reservation startup backed by GV and surfaced in the API Evangelist network as a consumer-sector portfolio lead. Its domain reserve....
Reserve Requirements refers to the Federal Reserve's Regulation D framework governing reserve requirement ratios for depository institutions. As of March 26,...
ReserveOut is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lea...
NFT marketplace infrastructure and data API for aggregating listings, bids, and sales across OpenSea, Blur, and other markets — powers buying, selling, and a...
Reshop (Reshop US, Inc.) is a fintech company that provides instant refunds for e-commerce returns. When a shopper initiates a return at a partner retailer, ...
Resilience is a company surfaced as a portfolio company of 8vc, crv, general-catalyst, gv, lightspeed-venture-partners, lux-capital, obvious-ventures and add...
Resilience is a United States cyber-risk company that underwrites cyber insurance and technology errors-and-omissions coverage while running the security ana...
Resilience4j is a lightweight fault tolerance library designed for Java 17+ and functional programming, providing higher-order functions to enhance functiona...
Resilient Power Systems is a power-electronics hardware company known for solid-state and medium-voltage power distribution and conversion systems, including...
Resistant AI protects financial-services organizations from fraud and financial crime with AI. Its Documents product detects fake, tampered, forged, and AI-g...
RESO, the Real Estate Standards Organization, is the United States industry body that writes and certifies the machine-readable contract for residential real...
Resolute Forest Products is a global leader in the forest products industry, producing market pulp, tissue, wood products, and newsprint. Formerly one of the...
Resolute Ventures is an early-stage venture capital firm that typically writes a founder's first VC check, backing pre-seed and seed-stage companies. Co-foun...
Resolution Games is a Stockholm-based studio building games for virtual, augmented, and mixed reality platforms including Meta Quest, Apple Vision Pro, and P...
Resolve is a B2B commerce and payments platform that lets businesses offer flexible net terms (typically NET 30-60) to their buyers without carrying the cred...
Resolve AI builds AI agents (an "AI SRE") that run production software for enterprise engineering teams. Its agents automatically triage and investigate aler...
Resolve Systems (resolve.io) is an enterprise IT automation and AIOps platform that helps IT and operations teams automate incident resolution, service-desk ...
Resolyst is a specialty-care platform that positions itself as the intelligence layer for AI-enabled specialty care, extending the reach of the world's leadi...
Reson8 (Resonate Labs B.V.) is a Balderton Capital-backed speech-recognition company offering an infrastructure-grade automatic speech recognition (ASR) API....
Resonado Labs is a high-velocity innovation and hardware development lab focused on improving the acoustic performance of the next generation of audio produc...
ResortPass is a consumer travel and hospitality marketplace that lets people book hotel and resort day passes — pool access, spa treatments, cabanas, fitness...
Resourcely is an a16z-backed company reachable at resourcely.io, surfaced as a portfolio lead and added to the API Evangelist network for enrichment. Its pub...
ResourceWise is a market intelligence company for sustainable commodities, delivering data, analytics, pricing benchmarks, forecasts, and consulting across t...
Resourcify (Resourcify GmbH) is a Hamburg, Germany based digital platform for waste management and circular-economy operations, describing itself as "the ope...
Resourcly is an AI-powered platform for deep inventory optimisation across manufacturing. It harmonises fragmented PLM and ERP parts data, finds duplicate an...
Respeecher is an AI voice company known for high-fidelity speech-to-speech (STS) voice conversion and text-to-speech (TTS) used across film, television, game...
Respondology is a Boulder, Colorado social media Comment Activation Platform that helps brands moderate, analyze, and activate the conversations happening in...
Respondus builds assessment-integrity tools for online exams - most notably LockDown Browser, a custom browser that locks down the testing environment, and R...
Responsiv is an AI-powered regulatory intelligence and compliance platform that helps organizations monitor regulatory change, translate laws and regulations...
Oracle Responsys (Oracle Responsys Campaign Management) is a B2C cross-channel marketing orchestration platform, originally founded as Responsys and acquired...
Ressl (ressl.ai) is a Y Combinator-backed platform that provisions hosted mock SaaS APIs for AI agents and evaluations. Its control-plane API lets you list t...
REST (Representational State Transfer) is an architectural style for designing networked applications, defined by Roy Fielding in his 2000 doctoral dissertat...
Representational State Transfer (REST) is an architectural style for designing networked applications using standard HTTP methods and stateless communication...
REST Assured is a Java library for simplifying the testing and validation of RESTful APIs. It provides a fluent domain-specific language (DSL) built on the g...
REST Client is a Visual Studio Code extension developed by Huachao Mao that enables developers to send HTTP requests and view responses directly within the V...
REST Countries is a free, open-source RESTful API that returns rich country reference data — ISO 3166-1 codes (cca2, cca3, ccn3, cioc), common/official and n...
Representational State Transfer (REST) is an architectural style for designing networked applications using stateless communication and standard HTTP methods...
Restack is an enterprise AI agent platform and backend framework for building accurate, reliable, and scalable AI products. It provides durable workflow orch...
RestAR is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
Restate is a low-latency durable execution engine for building resilient applications that tolerate all infrastructure faults. It provides durable execution ...
Restate is a durable execution platform for building resilient distributed applications, microservice orchestration, durable workflows, stateful services, an...
Restaurant Brands International (RBI, NYSE: QSR) is one of the world's largest quick service restaurant companies, with nearly $45 billion in annual system-w...
Restaurant365 is a cloud-based restaurant accounting, inventory, and operations platform serving thousands of restaurant locations across the United States. ...
Restfox is an offline-first, minimalistic HTTP and socket testing client for the web and desktop. It is an open-source alternative to Postman, supporting HTT...
Representational State Transfer (REST) is an architectural style for designing networked applications using stateless HTTP communication and uniform interfac...
Representational State Transfer (REST) is an architectural style for designing networked applications. RESTful APIs use HTTP methods to perform CRUD operatio...
An architectural style that structures an application as a collection of loosely coupled, independently deployable services that communicate via REST APIs us...
Representational State Transfer (REST) services are web services built using the REST architectural style, which uses stateless HTTP communication and standa...
RESTful web services are web services built using the Representational State Transfer (REST) architectural style, using HTTP as the transport protocol with s...
Resti Inc. (resti.cloud) is a cloud-based restaurant management platform used by restaurant chains, primarily across Kazakhstan and Central Asia. It automate...
Restless is a company surfaced as a portfolio company of qed-investors and added to the API Evangelist network as a stub for enrichment. Sector: fintech. Thi...
restor3d is a Durham, North Carolina medical device manufacturer, founded in 2017 as a Duke University spinout, that designs and 3D-prints personalized muscu...
Restorando was a Latin American online restaurant-reservation platform (Argentina, Brazil, Chile, Mexico, and other markets), originally backed by Emergence ...
Restream is a multistreaming platform that enables content creators and businesses to simultaneously broadcast live video to 30+ platforms including YouTube,...
RestSharp is a simple REST and HTTP API client library for .NET that wraps HttpClient with a fluent API for making HTTP requests with automatic serialization...
Result is a Y Combinator (Spring 2026) all-in-one business operating system, operated by Foundative Inc. (a Delaware corporation), that lets internet entrepr...
Resulticks is an enterprise omnichannel marketing automation and audience engagement platform, operating under the RESUL brand. It pairs a cookie-independent...
Resultid is an enterprise Operational Intelligence platform that connects what customers say, what teams do, and what operational data shows across every pro...
Resurface (now Graylog API Security) is an API runtime security and observability platform that captures and analyzes complete API request and response paylo...
ResWare is customizable title and escrow production software for real estate closings, originally built by Adeptive Software Corporation and acquired by Qual...
Resy is a restaurant reservation and discovery platform owned by American Express. Resy does not maintain a publicly self-serve developer portal; integration...
Resynergi is an advanced plastic recycling technology company that builds modular Continuous Microwave Assisted Pyrolysis (CMAP) systems, marketed as AMP Mod...
Retail Solutions is a company surfaced as a portfolio company of bessemer-venture-partners and added to the API Evangelist network as a stub for enrichment. ...
Retail Zipline, Inc. (branded "Zipline") is a San Francisco-based retail operations software company founded in 2014 by Melissa Wong and Jeremy Baker. Its cl...
Retailigence is a retail technology company that applies artificial intelligence and machine learning to category management and store operations. Its ML Eng...
RetailMeNot is a consumer savings destination that aggregates coupons, promo codes, cash-back offers, and deals from thousands of retailers and brands, helpi...
RetailNext is an AI-powered in-store retail analytics platform that helps physical retailers understand shopper behavior and optimize store operations. Its p...
Retailo (Retailo Technologies) operates a B2B marketplace that helps independent retailers across the MENAP region (Middle East, North Africa and Pakistan) r...
RetainIQ is a full-service retention-marketing agency for direct-to-consumer (D2C) brands, delivering lifecycle email and SMS programs. Its work spans automa...
Retell AI provides voice AI infrastructure for building conversational agents with low-latency turn detection, interruption handling, tool calling, knowledge...
RethinkDB is an open source, distributed document-oriented NoSQL database designed for real-time applications, with push-based change feeds, native JSON stor...
RetLiq is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
Retool is a low-code platform for building internal tools, dashboards, and admin panels quickly using pre-built UI components that connect to any database or...
Retraced is an AI-first supply chain transparency and compliance platform for the fashion and textile industry. It helps brands and suppliers manage multi-ti...
reTravel.io is a travel retention marketing platform that uses data science and machine learning to help travel companies, TMCs, and corporates retain custom...
Retro Biosciences is a Redwood City, California longevity biotechnology company founded in 2021 whose stated mission is to add ten years to healthy human lif...
Retrofit is a type-safe HTTP client for Android and the JVM (Java and Kotlin) built by Square, turning HTTP API interfaces into callable Java objects with an...
Rette AI is a revenue cycle management (RCM) platform for small specialty medical practices, with an initial focus on orthopedic and other specialty clinics....
Return Path is an email-deliverability and inbox-intelligence brand that pioneered sender reputation, inbox-placement monitoring, and email fraud protection ...
Returnly was a fintech-flavored e-commerce returns and exchanges platform (Returnly Green Returns, instant store credit, and return-shipping insurance) surfa...
Retym is a company surfaced as a portfolio company of mayfield and added to the API Evangelist network as a stub for enrichment. This profile is a lead await...
Global news organization providing breaking news, business, financial, and multimedia content through wire services, digital platforms, and content APIs serv...
Rev AI is a speech recognition and transcription API platform from Rev.com that delivers high-accuracy AI-powered speech-to-text for pre-recorded audio and r...
Rev1 (REV1, Inc.) is a Y Combinator (Winter 2026) startup building an AI-powered platform that automatically converts 3D CAD models into fully annotated, pro...
Revagenix, Inc. is a private clinical-stage precision-therapeutics company headquartered in San Francisco, California, founded in 2019 by antibacterial-disco...
Revalia Bio transforms donated, non-transplantable human organs and tissues into high-fidelity biological datasets, using AI to accelerate drug and device de...
RevContent is a performance-driven native advertising and content recommendation network offering a REST API for managing widgets, campaigns (boosts), ad con...
Reveal is a company surfaced as a portfolio company of insight-partners and added to the API Evangelist network as a stub for enrichment. This profile is a l...
Reveal Imaging (Reveal Imaging Technologies) is a security-screening hardware company known for CT-based explosives-detection and checkpoint screening system...
Revefi is an AI-powered data operations platform that delivers FinOps, observability, and optimization for modern data warehouses and AI/LLM workloads. Its z...
RevelAi Health is a healthcare technology company building a conversational AI platform for orthopedic and musculoskeletal care teams. Its AI agent, "kimi," ...
Revel Systems is an iPad-based point-of-sale platform for restaurants and retail businesses. Its REST API provides programmatic access to menus, orders, inve...
Revel Systems is a cloud iPad-based POS for restaurants and retailers. The Revel Open API exposes products, orders, customers, employees, inventory, schedule...
Revelator is a music distribution and rights, royalties, and payments infrastructure platform for labels, distributors, and music businesses. Its REST API ex...
Revelio Labs is a workforce intelligence company that builds a universal HR database from public professional profiles, job postings, employee reviews, and W...
Reven Pharmaceuticals is a privately held, clinical-stage biopharmaceutical company founded in 1999 and headquartered in Broomfield, Colorado. Reven develops...
RevenueBase is a B2B data infrastructure platform — "the trust layer for B2B data" — providing 400M+ continuously verified contacts (399M as of the August 20...
RevenueCat provides in-app subscription and purchase infrastructure for mobile and web apps. It abstracts App Store, Google Play, Amazon, Stripe, Roku, and P...
REVER (Rever Moto) is a motorcycle-focused navigation, ride-tracking, and social platform for riders. It offers a web-based route planner and mobile apps (iO...
Reverb is a marketplace for musicians to buy and sell new, used, and vintage musical instruments and gear, owned by Etsy. The Reverb API is a HATEOAS hyperme...
Reverie is an early-stage venture capital firm based in New York that invests at the pre-seed and seed stages in crypto and web3 companies and protocols, des...
Reverie Travel, Inc is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile...
Revert is an open-source unified API platform that makes it easy to build product integrations 10x faster. It provides a single standardized API to integrate...
Revert is an open-source unified API for building product integrations. A single set of REST endpoints normalizes third-party CRMs (Salesforce, HubSpot, Pipe...
Revibe (Revibe Technology FZ-LLC) is a UAE-based e-commerce marketplace for certified refurbished and renewed electronics — iPhones, Samsung phones, MacBooks...
Revie is an AI-powered customer review collection and WhatsApp marketing automation platform for e-commerce businesses, with a focus on the Latin American ma...
REVIEWS.io is a product and company reviews and user-generated content (UGC) platform that helps brands collect, manage, and display verified customer review...
ReviewTrackers is an online reputation management platform that enables businesses to monitor reviews across 100+ review sites, respond to customer feedback,...
Revinate is a hospitality technology company providing a Guest Data Platform and CRM for hotels — unifying guest profiles from property-management systems, t...
Revion builds an AI-powered operating system for automotive retail service operations. Its voice-first platform lets dealership technicians dictate repair in...
Revivant is a medical device company that develops and markets proprietary technology to treat cardiac arrest, backed by Canaan Partners at the Series D stag...
Revivn provides an integrated hardware lifecycle platform for managing end-of-life IT equipment. The company handles secure device pickup, certified data san...
Revlon is a global beauty company whose portfolio spans color cosmetics, fragrance, skin care, hair color, hair care, beauty tools, and antiperspirants / deo...
Revnu is an AI growth-automation platform for early-stage and technical founders, positioning itself as an "AI growth hire" that runs marketing work across c...
Revolut is a global financial technology company providing banking, payments, cards, foreign exchange, savings, and crypto services to retail and business cu...
Revolutio provides smart structural engineering software and a Hazard API (formerly CHECKWIND.API) that delivers site-specific wind, snow, ice, and seismic l...
Revolution Foods is an Oakland, California food company founded in 2006 by Kristin Groos Richmond and Kirsten Saenz Tobey that manufactures and delivers nutr...
Revolution Medicines is a clinical-stage precision oncology company headquartered in Redwood City, California, developing targeted therapies for RAS-addicted...
Revolution Precrafted is a Manila, Philippines-based prefabricated design and proptech company founded in 2015 by Robbie Antonio. It designs and sells limite...
Revolution RE (RevRE) is a data intelligence platform for the multifamily real estate industry. It transforms disconnected property, operational, and financi...
Revolv was a smart-home company that built a connected home hub and mobile application to unify control of disparate smart-home devices and wireless protocol...
Revolving Games is a mobile-first game studio and publishing company operating two independent gaming studios with a team of 150+ gaming-industry veterans. I...
Revv (formerly RevvSales) is a document automation and electronic-signature platform that helps businesses prepare, automate, and execute business paperwork ...
Revvity is a life sciences and diagnostics company providing instruments, software, reagents, and services to support drug discovery, development, diagnostic...
Revvo is an AI-powered tire and fleet management platform. Its TireIQ engine connects to OEM and aftermarket TPMS sensors and turns raw tire data into real-t...
Revyze is a French EdTech mobile learning application that helps secondary and baccalaureate-level students revise by scrolling short-form educational videos...
Rewardful is affiliate and referral management software for SaaS, connecting to Stripe or Paddle to track referrals and commissions automatically — adjusting...
Rewardly is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profile is a...
Rewatch is a company surfaced as a portfolio company of a16z and added to the API Evangelist network as a stub for enrichment. This profile is a lead awaitin...
Rewind is an Ottawa-based SaaS data backup and recovery company that provides automated, item-level backups and rapid self-serve restoration for more than 20...
Rewst is a workflow automation and integration (iPaaS/RPA) platform built specifically for managed service providers (MSPs). It combines a visual workflow bu...
Rex is a company surfaced as a portfolio company of accel and added to the API Evangelist network as a stub for enrichment. Sector: consumer. This profile is...
Rex Airlines (Regional Express, IATA ZL / ICAO RXA) is Australia's second-largest regional carrier, headquartered in Mascot, New South Wales, flying a Saab 3...
Rex Inc, operating as Rex.fit (BabylonAI Inc.), is a Y Combinator (W23) health and fitness company building AI-powered, fully automated nutrition tracking. I...
Rexby is a consumer travel discovery and trip-planning platform where local creators publish interactive travel guides and maps of curated "spots," and trave...
Rexnord was a global industrial company headquartered in Milwaukee, Wisconsin, with two strategic platforms — Process and Motion Control (bearings, couplings...
Reynolds American Inc. is the second-largest tobacco company in the United States and a subsidiary of British American Tobacco (BAT). Its subsidiaries includ...
Reynolds and Reynolds is one of the automotive industry's largest Dealership Management System (DMS) providers, running the ERA-IGNITE and POWER platforms th...
Rezilient Health is an employer-sponsored primary and specialty care provider that combines physical CloudClinics with telehealth to deliver unlimited, zero-...
Rezo.ai is an enterprise customer-experience (CX) company building a unified, agentic-AI contact-center platform. Founded in 2018 in Noida, India by Dr. Rash...
Rezo Therapeutics is a San Francisco (Mission Bay) biopharmaceutical company spun out of the Quantitative Biosciences Institute (QBI) at UCSF, co-founded by ...
Rezonant is a London-based product development workspace, founded by former Stripe UK engineering leader Emma Burrows, that captures product intent and carri...
Rf Surgical (RF Surgical Systems) was a medical-device company in the surgical patient-safety space, known for radio-frequency detection technology used to l...
Radio-Frequency Identification (RFID) is an automatic identification technology that uses radio waves to read and capture information stored on a tag attache...
RFMD (RF Micro Devices) was a semiconductor manufacturer of radio-frequency (RF) components for mobile, infrastructure, defense, and aerospace markets. In Ja...
Rgenix, Inc. is a clinical-stage biopharmaceutical company founded by scientists from The Rockefeller University to discover and develop first-in-class small...
Rgenta Therapeutics is a clinical-stage biotechnology company headquartered at 300 TradeCenter, Woburn, Massachusetts, developing a pipeline of oral, small-m...
Rhapsody Health Solutions is a US-headquartered (Boston, Massachusetts) healthcare interoperability company trusted by more than 1,900 healthcare organizatio...
Rheaply is a circular-economy platform for enterprise asset lifecycle management. It gives organizations real-time inventory visibility, an internal reuse ma...
Rhetoric is a company surfaced as a portfolio company of bloomberg-beta and added to the API Evangelist network as a stub for enrichment. This profile is a l...
Rhino (SayRhino) is a New York based insurtech that replaces the traditional cash security deposit with low-cost security deposit insurance, alongside cash d...
Rhizome AI is an AI-powered regulatory research platform for pharmaceutical and medical device companies. It lets regulatory affairs teams ask questions and ...
Rho is an all-in-one finance platform for businesses that combines business banking, treasury, corporate cards, expense management, bill pay, invoicing, and ...
Rhoda AI develops robotic intelligence for real-world industrial and commercial environments, building general-purpose foundation models that adapt to the va...
Rhombus Systems is a Sacramento, California enterprise physical-security platform that unifies AI-powered security cameras, door access control, environmenta...
Rhone Apparel, Inc. is a direct-to-consumer men's premium performance apparel and activewear brand founded in 2014 by brothers Nate and Ben Checketts and hea...
Rhumbix is a field-first workforce management platform for construction that consolidates timekeeping, production tracking, time & materials, change orders, ...
RhyGaze is a clinical-stage biotechnology company developing gene therapy treatments to restore vision for people with retinal degenerative diseases. Its pla...
Rhyme (formerly PriorAuthNow) is a healthcare technology company that eliminates prior authorization burden by automating the exchange between payers and pro...
Rhythmos (rhythmos.io) provides modern analytics for managing electric-vehicle charging and grid infrastructure. Its platform coordinates fleet charging need...
Rhythms is an AI operating partner for teams, built by the team behind Ally.io and Microsoft Viva Goals. It automates business reviews, pre-briefs, reports, ...
Riak KV is a distributed NoSQL key-value database originally developed by Basho Technologies, designed for high availability, fault tolerance, and horizontal...
Rialo is an early-stage Layer 1 blockchain building high-throughput infrastructure with configurable privacy for real-world finance and the emerging agent ec...
Ribbit Capital is a venture capital firm founded in 2012 by Micky Malka and headquartered in Palo Alto, California, investing globally in founders who challe...
Ribbon Finance is a DeFi structured products platform that helps users access crypto structured products through automated options strategies. The platform o...
Ribbon Health (now part of H1) is a healthcare provider data platform offering a REST API for searching provider directories, verifying insurance networks, c...
Rice University is a private research university in Houston, Texas. Its programmable footprint is small, and most of what appears to be Rice's is not: the Ri...
Ricerca Biosciences is a company surfaced as a portfolio company of bain-capital-ventures and added to the API Evangelist network as a stub for enrichment. S...
Free REST and GraphQL API providing data about characters, locations, and episodes from the Rick and Morty animated series. No authentication required. Offer...
Ricoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document services, and workplace technology vendor. Beyond ...
RICS, the Royal Institution of Chartered Surveyors, is the British royal-chartered professional body founded in London in 1868 that qualifies, regulates and ...
Ricursive (Ricursive Intelligence) is a frontier AI lab building self-improving systems, starting with chip design. The company combines modern AI methods wi...
Ricursive Intelligence is a frontier AI laboratory building self-improving systems to reinvent chip design, closing the loop between artificial intelligence ...
Ridecell is an AI-powered asset intelligence and orchestration platform for automotive leasing, fleet, and finance companies. Its five intelligence modules (...
Riff is an Oslo, Norway based enterprise software company building AI agents for supply chain, procurement, planning, and logistics operations. Its agents au...
Rift is a decentralized exchange (DEX) aggregator that routes swap orders across 20+ trading venues and cross-chain bridges to guarantee best-price execution...
Rigetti Computing (Rigetti & Co) is a full-stack quantum computing company that builds superconducting quantum processors and delivers access to them through...
Rigetti Computing (Nasdaq, RGTI) is a Berkeley, California-based quantum computing company building superconducting quantum processors and the full-stack sof...
Rigetti Computing is a full-stack quantum computing company that builds superconducting quantum processors and delivers access to them through Quantum Cloud ...
Riggs Distler & Company is an energy and utility infrastructure construction firm operating since 1909. Now part of Centuri Group, the company delivers elect...
Right Hear (RightHear) is an accessibility technology company, backed by Techstars, that helps people who are blind, have low vision, or face orientation and...
Right Media is a company surfaced as a portfolio company of redpoint-ventures and added to the API Evangelist network as a stub for enrichment. This profile ...
RightHand Robotics builds autonomous piece-picking robotic systems for order fulfillment. Its RightPick platform combines computer vision, machine learning, ...
Rightmove is the United Kingdom's largest residential property portal, operated by Rightmove Group Limited (Milton Keynes) and listed on the London Stock Exc...
RightNow AI (RunInfra) turns plain-English descriptions of an inference workload into production, OpenAI-compatible AI endpoints. The platform selects open-s...
Rightpoint is a global experience consultancy, now fully integrated into the Genpact brand, that designs and builds customer and employee experiences for ent...
RightRev is an AI-powered revenue recognition platform that automates ASC 606 and IFRS 15 compliant accounting for subscription, usage-based, and hybrid reve...
Rightsline is the leading rights and royalties software platform for media, entertainment, and content businesses. Its REST API enables real-time integration...
Rightway Healthcare is a New York-based healthcare navigation and pharmacy benefit management (PBM) company founded by Jordan Feldman and Dr. Theodore Feldma...
Rightway Healthcare is a healthcare navigation and pharmacy benefits management (PBM) company that pairs a transparent, 100% pass-through PBM built by pharma...
Rigi (Rigi TV) is an instant-entertainment mobile app that streams quick, captivating, and scroll-worthy short-form video and micro-drama series across genre...
RIIICO is a Duesseldorf-based industrial software company building 3D-AI tools that digitalize the factory shop floor. Its platform turns reality scans (poin...
Riiid (now operating as Socra AI) is an AI education technology company whose proprietary deep-knowledge-tracing and score-prediction models power adaptive l...
Rijksmuseum is the Dutch national museum dedicated to Dutch arts and history, located in Amsterdam. Its RijksData open-data programme exposes more than 800,0...
Rill Data builds Rill, an operational business-intelligence tool for fast, exploratory dashboards on large event and time-series data. Developers connect dat...
Rilla is an AI conversation-intelligence and coaching platform built for in-person and outside sales teams. Reps record their face-to-face customer conversat...
Rillet is an AI-native, cloud enterprise resource planning (ERP) and general-ledger platform built for modern finance teams. It automates core accounting wor...
Rimac Group is a Croatia-based holding company bringing together exclusive hypercars and advanced electrification technology. Its portfolio spans Bugatti Rim...
Rimac Automobili d.o.o. is a Croatian electric hypercar manufacturer and automotive technology company founded by Mate Rimac in 2009 and headquartered at the...
Rime is a realtime text-to-speech platform optimized for low-latency conversational agents. Models include Arcana v3, Arcana v2, Mist v3, and Mist v2. The TT...
Rimsys is a Regulatory Information Management (RIM) platform purpose-built for medical device and MedTech manufacturers. It centralizes regulatory submission...
Rindler is a Y Combinator (Summer 2026) company that operates a hosted Model Context Protocol (MCP) server turning any pre-onboarded website — including site...
Ring is an Amazon home-security company (doorbells, cameras, alarm systems, and the Ring Protect subscription) that in 2026 launched the Ring Developer platf...
Ring Radar is horse show management software for the equestrian industry, operating at ringradar.com. The web-based platform helps horse show organizers, man...
Ring Therapeutics is a Cambridge, Massachusetts biotechnology company founded by Flagship Pioneering that develops targeted vector conjugate medicines built ...
RingCaptcha, operated by ThriveCom, is a phone-verification and two-factor authentication (2FA) platform that helps businesses confirm real users and block f...
RingCentral provides unified cloud communications for businesses including voice, video, messaging, contact center, and events. The RingCentral API exposes c...
RingCentral Events (formerly Hopin) is a virtual and hybrid event management platform with REST APIs for managing organizations, events, sessions, stages, bo...
Ringly (ringly.io) provides AI-powered phone support built specifically for Shopify e-commerce brands. Its AI voice agent, "Seth," answers customer service c...
Rinse is a laundry and dry cleaning delivery service that picks up customers' clothes from home, professionally cleans them, and returns them on a recurring ...
Rio Tinto is a British-Australian multinational mining and metals corporation and one of the world's largest producers of iron ore, aluminum, copper, and dia...
Riot is a Paris-based employee security posture management (human risk management) platform that helps companies reduce the human attack surface. The product...
Riot Games provides a comprehensive developer platform for accessing game data across League of Legends, VALORANT, Teamfight Tactics, Legends of Runeterra, a...
RIPA AI is a company surfaced as a portfolio company of techstars and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
Ripcord is a document digitization and data-extraction company that uses proprietary robotics and AI to turn paper and digital records into structured, actio...
Ripe Insurance Services Limited, trading as Ripe and part of Ripe Thinking Limited, is a Stockport-based United Kingdom digital Managing General Agent and sp...
Ripio is a Latin American cryptocurrency exchange founded in 2013, offering crypto trading, stablecoins, DeFi products, a Visa crypto card, and B2B infrastru...
Ripl is a social media marketing platform for small businesses, helping owners create, schedule, and publish engaging content across Instagram, Facebook, Tik...
Rippl (Rippl Care, now part of Harbor Health) is a value-based, technology-enabled dementia and senior behavioral-health care provider backed by General Cata...
Rippl (Rippl Care) is a specialty healthcare company delivering value-based, virtual-first behavioral health and dementia care for older adults and their car...
Ripple is a company surfaced as a portfolio company of 500-global, lightspeed-venture-partners and added to the API Evangelist network as a stub for enrichme...
Ripple Foods is a plant-based beverage company that manufactures dairy-free milk alternatives made from pea protein, along with protein shakes, kids' milk, b...
Ripple (legally Ripple Labs Inc.) is a blockchain and crypto-enabled financial infrastructure company whose developer surface spans Ripple Payments (RippleNe...
RippleHire is an enterprise, AI-powered talent acquisition and Applicant Tracking System (ATS) that automates recruitment workflows end to end - demand creat...
RippleMatch is an AI-powered early-career recruiting platform that matches college students and recent graduates with internships and entry-level jobs based ...
Rippling is a unified workforce platform spanning HR, IT, and Finance with programmable APIs for employees, payroll, devices, apps, time tracking, benefits, ...
RISC-V International advances the RISC-V open standard instruction set architecture (ISA), promoting open hardware development and reducing dependency on pro...
Rise is a company surfaced as a portfolio company of cowboy-ventures, gv and added to the API Evangelist network as a stub for enrichment. Sector: unknown. T...
Rise Reforming is a climate-technology company that converts underutilized and flared waste biogas into valuable chemicals such as dimethyl ether (DME) and m...
RISE Robotics develops industrial linear-actuation technology designed to replace traditional hydraulic systems. Its flagship Beltdraulic Cylinder is a fluid...
RisingWave is a distributed SQL streaming platform that continuously ingests event streams from Kafka, Kinesis, and other sources, transforms them using Post...
Risk Ledger is a London-based third-party and supply chain risk management platform that helps organizations assess, monitor, and continuously manage the sec...
Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a global merchant intelligence network to make sub-seco...
RiskIQ was a San Francisco-based external threat intelligence and attack surface management company, known for its PassiveTotal platform (passive DNS, WHOIS,...
Risklytics is an AI-native property and catastrophe risk company (Y Combinator Summer 2026, based in San Francisco, founded 2026 by Samuel Gold and Alexander...
riskmethods was a supply-chain risk management SaaS company (Munich, Germany) that helped enterprises monitor, assess, and mitigate risk across their supplie...
RiskPulse was a supply chain risk and weather-intelligence company (also known by its Stormpulse brand) that scored and forecast weather, transit, and logist...
RiskRecon by Mastercard is a third-party and supply-chain cyber risk management platform that continuously assesses, rates, and monitors the cybersecurity po...
Rita's Italian Ice is a Philadelphia-area founded franchise chain of frozen treat shops known for Italian Ice, Frozen Custard, Gelati, and Misto, operating a...
Rite Aid is one of the nation's leading drugstore chains, providing prescription drugs, health and beauty aids, and convenience items. Rite Aid supports vend...
Rithm Capital is a global asset manager focused on real estate, credit, and financial services. Through subsidiaries such as Newrez, Genesis Capital, Sculpto...
Rithum is a commerce operations platform providing dropship, marketplace, and supply chain integration solutions for retailers, brands, and suppliers. Former...
Ritivel is an AI-native regulatory and medical-writing platform for life sciences organizations, backed by Y Combinator (Winter 2026 batch). Its AI agents au...
Ritten is a cloud-based electronic medical record (EMR), CRM and revenue-cycle platform built specifically for behavioral health and substance-use treatment ...
Ritual is a direct-to-consumer health and wellness brand that sells traceable, scientifically-formulated vitamins and nutritional supplements, best known for...
Ritual is a Toronto-based restaurant order-ahead and "social ordering" platform (ritual.co, founded 2014) that lets consumers pre-order, pay, and skip the li...
Rival is a company surfaced as a portfolio company of speedinvest and added to the API Evangelist network as a stub for enrichment. This profile is a lead aw...
Rival Labs is a company surfaced as a portfolio company of a16z and added to the API Evangelist network as a stub for enrichment. This profile is a lead awai...
Rive is an interactive design and animation platform and real-time graphics engine that lets designers, animators, and developers create, animate, and code i...
River Financial Inc. (river.com) is a regulated U.S.-based Bitcoin brokerage and bank for long-term investors, operating under NMLS ID #1906809. Customers ca...
River Health is an employer-sponsored virtual-first health plan operated by Mountain (joinmountain.com) that gives employees comprehensive primary and behavi...
River Markets is a unified prime brokerage for prediction markets, consolidating multiple exchanges — Kalshi, Polymarket, and Polymarket US (with Novig and R...
Riverbed Technology is an enterprise unified observability and digital-experience-management (DEM) company. Its platform spans network, application, infrastr...
RiverDelta Networks is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This p...
Riverlane is a Cambridge (UK) quantum computing company building the quantum error correction (QEC) stack. Its two product lines are Deltaflow — a real-time ...
Riverpool (riverpool.ai) is an early-stage, pre-launch startup building what it describes as the "post-modern analytics data stack" — a continuously circulat...
Riverside is a professional podcast and video recording platform that enables remote studio-quality recording, AI-powered editing, and publishing. The Rivers...
Rivet is infrastructure for the agentic era, providing durable, stateful compute for AI agents and realtime applications. Its core primitive, Rivet Actors (R...
Rivet is a design agent that works alongside your coding agent: given a prompt or an existing application, it explores dozens of distinct visual and UI desig...
Rivet Health is a cloud-based revenue cycle management (RCM) platform for healthcare providers, spanning practices, specialty groups, and hospitals. Its soft...
Rivia is a clinical trial intelligence platform based in Zurich, Switzerland that unifies fragmented clinical trial data from any vendor into a single, struc...
Rivian Automotive is an American electric vehicle manufacturer that designs and builds adventure-oriented electric trucks, SUVs, and commercial delivery vans...
Rivos is a Santa Clara-based silicon startup founded in 2021 that designs data-center class GPUs and AI accelerators around the open RISC-V instruction set a...
RIVR (RIVR Technologies AG, formerly Swiss-Mile) is a Swiss robotics and AI company spun out of ETH Zurich that develops autonomous legged-wheeled robots for...
Rivus Pharmaceuticals is a privately held clinical-stage biopharmaceutical company founded in 2019, with corporate offices in South San Francisco, California...
Rixty is a company surfaced as a portfolio company of uncork-capital and added to the API Evangelist network as a stub for enrichment. This profile is a lead...
Rize (Rize Money, Inc. / RizeFS) was a Banking-as-a-Service and embedded-finance platform that offered unified banking, brokerage, and payments APIs, letting...
RIZM is a holistic energy optimization platform for industrial enterprises, operated by Kerith GmbH of Münster, Germany. It integrates data from production, ...
RJMetrics was a Philadelphia-based business intelligence and analytics company (founded 2008, backed by Trinity Ventures, SoftTech VC and others) that helped...
RLY Network (Rally Protocol) is a permissionless, open-source web3 toolkit that lets mobile and game developers add blockchain features to consumer apps with...
RMIT University is a public research university in Melbourne, Australia, specializing in technology, design and enterprise, and ranked #123 in the QS World U...
Ro (ro.co) is a direct-to-consumer telehealth company that connects patients with US-licensed healthcare providers entirely online, offering prescription tre...
Roadie is managed Backstage - a fully hosted internal developer portal (IDP) and software catalog delivered as SaaS, so teams get the Backstage software cata...
Roadmunk (now Strategic Roadmaps by Tempo) is a product roadmapping tool with a GraphQL API for managing roadmaps, items, milestones, swimlanes, feedback, an...
RoadRunner is a tech-enabled managed waste and recycling services company operating across all 50 US states, serving 14,000+ commercial customers in hospital...
Roadster was a Palo Alto digital automotive retail commerce platform (its Express Storefront let dealers sell and finance vehicles fully online) that was acq...
Roadsurfer is a Munich-based camper van, motorhome, and RV travel company founded in 2016, operating a fleet of 10,000+ vehicles across 100+ pick-up/drop-off...
RoadSync is a digital payments and expense-management platform for the logistics and trucking industry, enabling warehouses, repair and tow shops, brokers, a...
Roam (withroam.com) is a nationwide assumable-mortgage marketplace that helps homebuyers and sellers transact on homes carrying low-rate, legally assumable F...
Robby is an AI-powered growth and job-documentation platform for home-services businesses, focused on HVAC contractors. It automates job documentation and pa...
RobCo is a Munich- and Austin-based industrial robotics company building software-defined, modular robotic automation delivered as Robotics-as-a-Service (Raa...
Robeauté is a Paris-based medical technology company, founded in 2017 by Bertrand Duplat and Joana Cartocci, developing what it calls the world's first micro...
Robert Half International is the world's first and largest specialized staffing and talent solutions firm. Founded in 1948, it provides contract, temporary, ...
Robin AI is a London-headquartered legal intelligence platform founded in 2019 by former Clifford Chance disputes lawyer Richard Robinson and machine learnin...
Robinhood Markets is a US financial-services company offering commission-free trading of stocks, ETFs, options, and cryptocurrency, plus retirement accounts,...
Roblox is a user-generated content platform where creators build, publish, and monetize immersive 3D experiences using Roblox Studio and the Luau scripting l...
Roblox provides a suite of developer APIs for building experiences on the Roblox platform. The Engine API documents all classes, data types, enumerations, fu...
Robocorp is an open source RPA and workflow automation platform for building Python-based automation bots. The platform provides the Control Room API for man...
Robocurve is a San Francisco Public Benefit Corporation (Y Combinator Summer 2026) building open-source tools and independent benchmarks to help society unde...
RoboDock is an autonomous robotics company (Y Combinator W2026) building the robotics layer that powers autonomous EV and AV depots, starting with charging a...
Roboflow is a computer vision platform used by over one million engineers to annotate images, train custom models, and deploy them to production from the clo...
Roborock is a global consumer robotics company best known for its robot vacuum and mop cleaners, wet/dry wash-and-fill floor washers, and connected home-clea...
Roboto Games is an independent video game development studio building Stormforge, an open-world survival crafting game where players craft, build, fight, and...
Robust Intelligence is an AI security company founded in 2019 to defend ML and GenAI systems against adversarial attacks, data poisoning, prompt injection, a...
Robust.AI is a robotics company building Carter, an AI-powered collaborative mobile robot for warehouse fulfillment and manufacturing environments. Founded b...
Roby (Imageous, Inc.) is a Seattle-based building-management software company whose HVAC automation product connects room and space calendars with a building...
Enterprise AI customer-support platform spanning voice, WhatsApp, chat, email, social media and ticketing. The platform runs AI agents against a customer kno...
Rocana (formerly ScalingData) was an IT operations analytics company founded in 2014 in San Francisco and backed by GV. Its product captured and analyzed all...
F. Hoffmann-La Roche is a Swiss multinational healthcare company with two divisions: Roche Pharma and Roche Diagnostics. Roche does not publish a general pub...
Rock The Bells is the hip-hop culture brand and direct-to-consumer merchandise retailer founded by LL COOL J, describing itself on its own storefront as "The...
Rockbot is a unified in-location media platform for businesses, giving multi-location operators one system to control background music, audio messaging, digi...
Rockerbox is a New York-based unified marketing measurement platform that combines multi-touch attribution (MTA), marketing mix modeling (MMM) and incrementa...
Rocket (rocket.new) is an AI "vibe solutioning" platform for builders and founders that combines three products: Solve for market research and business analy...
Rocket Companies is a Detroit-based financial services firm that provides digital solutions for homeownership and personal finance. Its portfolio includes Ro...
Rocket Internet SE is a Berlin-based internet company builder and technology investment firm founded by the Samwer brothers. It incubates and scales internet...
Rocket Lab Corporation (Nasdaq RKLB) is an end-to-end space company providing launch services, spacecraft, satellite components, and on-orbit services. Its E...
Rocket Lab (Rocket Lab Corporation, formerly Rocket Lab USA; Nasdaq RKLB) is an American aerospace manufacturer and end-to-end space company founded in 2006 ...
Rocket Lawyer is a San Francisco, California online legal technology company that has helped over 20 million businesses and individuals get online legal help...
Rocket Pool is a decentralized Ethereum liquid staking protocol that lets anyone participate in Ethereum proof-of-stake without running a full 32 ETH validat...
Rocketable acquires profitable SaaS products and infuses them with AI, operating a portfolio of software businesses that are run, improved, and grown by AI a...
Rocketlane is an AI-powered Professional Services Automation (PSA) platform that unifies customer onboarding, project delivery, resource management, time tra...
RocketReach is a Seattle-based B2B contact data and sales intelligence provider that maintains a database of 700M+ professional profiles and 60M+ companies a...
Rocketrip was a New York City corporate travel cost-savings platform that gave business travelers a personalized budget (a "Price to Beat") and rewarded empl...
RockFi is a French private wealth management firm positioning itself as a modern family office, pairing experienced private-banking advisors with technology ...
Rockmelt was a Chromium-based social web browser startup founded in 2008 and backed by Andreessen Horowitz (a16z), designed to integrate Facebook, Twitter, a...
Rockport Trade Systems is a global trade management (GTM) software company providing customs compliance, import and export management, and trade-content solu...
Rocksalt is a B2B inbound and social-engagement platform, headquartered in Redwood City, California and founded in 2023 by Arjun Moorthy (CEO), Anita Moorthy...
RocksDB is an embeddable persistent key-value store for fast storage, developed at Facebook (Meta) based on LevelDB. It uses a Log-Structured Merge (LSM) tre...
Rockset was a real-time analytics database company (Greylock portfolio, infrastructure sector) that was acquired by OpenAI in June 2024. The standalone produ...
RockSolid (rocksolid.network) is a DeFi platform offering actively managed, institutional-grade liquid vaults. It lets institutions, protocols and projects l...
Rockstar Games is an American video game publisher headquartered in New York City and a wholly-owned subsidiary of Take-Two Interactive Software (NASDAQ: TTW...
Rockwell Automation is a global provider of industrial automation and digital transformation solutions, helping manufacturers boost productivity, sustainabil...
Rockwell Collins was a major American company providing avionics and information technology systems and services to government agencies and aircraft manufact...
Rockwell FactoryTalk is a portfolio of software products by Rockwell Automation that supports the design, operation, and maintenance of industrial control sy...
roclub (roclub GmbH) is a German health-tech company operating a remote-control platform for diagnostic medical imaging. Its software lets healthcare organiz...
Rodeo is a consumer social app that helps people wrangle their social life: save the things you want to do — social posts, screenshots, links and photos — an...
Rodin Therapeutics * is a company surfaced as a portfolio company of gv and added to the API Evangelist network as a stub for enrichment. Sector: life-scienc...
Roger (operated by Sanos Services GmbH, Berlin, Germany) is a B2B SaaS practice-management platform for dental clinics. It layers automation and AI onto exis...
Rogers Communications is Canada's largest wireless carrier and, following its 2023 acquisition of Shaw Communications, one of the country's largest cable, in...
Rogo is a New York-based artificial intelligence company building an AI platform purpose-built for the world's leading financial institutions. Founded by Gab...
Rogue Wave Software was a developer-tools and high-performance-computing software company known for products such as TotalView, Klocwork, IMSL numerical libr...
Rohirrim is an AI-native Unified Acquisition Platform that automates and accelerates government procurement for both agencies and contractors. Its UnifiedAcq...
Rohlik (Rohlik Group) is a European online grocery service founded in 2014 by Tomáš Čupr and headquartered in Prague, Czechia. It operates fast, same-day and...
Rohm and Haas Company was an American specialty chemicals manufacturer founded in 1909 and headquartered in Philadelphia, Pennsylvania. The company produced ...
Roivant Sciences Ltd. (Nasdaq: ROIV) is a commercial-stage biopharmaceutical holding company that accelerates the development and commercialization of medici...
Roivant Sciences (Nasdaq: ROIV) is a holding company that builds focused subsidiary biotech and health-tech operating units called "Vants." Founded by Vivek ...
Rokid is a Chinese AR and AI wearables company that designs smart glasses and the operating system that runs on them. Its consumer line spans Rokid Glasses, ...
Rokt is an eCommerce technology platform that uses AI and machine learning to serve personalized non-endemic offers and ads during transaction moments. APIs ...
Roku is the leading TV streaming platform in the U.S., Canada, and Mexico, offering a comprehensive operating system that powers smart TVs, streaming players...
RolePoint was an employee referral, internal mobility, and talent-acquisition software company that helped recruitment teams source, refer, and redeploy tale...
ROLI (Luminary ROLI Ltd.) is a British music-technology company known for expressive electronic instruments — the Seaboard, LUMI Keys keyboards, and the modu...
Roll was a social token infrastructure platform for the creator economy, letting creators and communities mint and manage their own branded ERC-20 tokens on ...
Rollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures exceptions and errors from web, mobile, and serve...
Rollee is an Open Finance / employment-data platform that lets fintechs, lenders, and HR platforms verify the income, employment, and work history of both sa...
ROLLER is a cloud-based venue management platform for the attractions and leisure industry — trampoline parks, family entertainment centers, museums, zoos, a...
Rollins is a major US corporation and Fortune 1000 company. The Rollins API provides programmatic access to its platform services, data, and integrations for...
Rolls-Royce plc is a British multinational aerospace and defense company manufacturing aero engines (Trent series), defense propulsion, and power systems. Ro...
Rollstack is a business-intelligence reporting automation platform that connects live data from BI and analytics tools directly into presentations, documents...
Rollup is a browser-based, real-time collaboration platform for engineering teams building complex hardware. It supports the full hardware development lifecy...
Rome Therapeutics is a Cambridge, Massachusetts biotechnology company developing therapies that target the "repeatome" — the vast repetitive, non-coding regi...
Rome Tools, Inc. was the company behind Rome, a unified, Rust-based developer toolchain for JavaScript, TypeScript, JSON, HTML, Markdown, and CSS, intended t...
Rome2Rio is a multi-modal travel planning platform founded in Melbourne, Australia in 2011, and part of the Omio Group since 2019. It covers 240+ countries, ...
Romit was a bank-agnostic digital wallet and payment-gateway platform for the card-not-present merchant-acquiring industry, built by a team of ex-Robocoin (b...
ROMTech (ROM Technologies, Inc.) is a privately held medical technology company headquartered in Brookfield, Connecticut that builds connected orthopedic reh...
A community-built, open source HTTP API that returns Ron Swanson quotes from the NBC television series Parks and Recreation. Returns one or more quotes per r...
Rondo Energy is an Alameda, California industrial decarbonization company led by CEO John O'Donnell that builds the Rondo Heat Battery (RHB), a thermal energ...
Rondo Therapeutics is a clinical-stage biotechnology company based in Hayward, California, developing immune-cell engaging bispecific antibodies designed to ...
Ronin is an Ethereum sidechain originally built by Sky Mavis to power Axie Infinity and a wider game and NFT economy. The network exposes a standard Ethereum...
Roofline (RooflineAI GmbH, Köln, Germany) is a 2024 RWTH Aachen University spin-off building a retargetable AI compiler stack for edge deployment. Its three ...
Roofr is an all-in-one roofing software and CRM built for roofing contractors, bundling aerial roof measurement reports, an instant online estimator, digital...
Roofstock is a residential real estate investment platform and online marketplace for buying, selling, and managing single-family rental (SFR) homes. It give...
Rook is a CNCF graduated cloud-native storage orchestrator for Kubernetes, providing the platform, framework, and support for Ceph distributed storage system...
Rookout is a live application debugging platform founded in 2017 in Tel Aviv, Israel that lets developers set non-breaking breakpoints in running production,...
Roomi is a consumer roommate- and room-rental matching platform that connects verified renters looking for roommates with people posting available rooms, sub...
RoomKeyPMS is a cloud property management system (PMS) for independent hotels and small chains across the US and Canada, with a team of hoteliers behind roug...
RoomRaccoon is an all-in-one hotel management software platform for independent hotels, B&Bs, guesthouses, hostels, and small chains, founded in 2017 by Tyme...
Roomstorm is a real-time B2B hotel room marketplace, best known for building the airline industry's first fully automated platform for providing hotel accomm...
Roon is a digital health platform (operating as CareSpace Health Inc.) that helps people navigate serious and critical health conditions by connecting them w...
Roost is a Sunnyvale, California home-telematics company that helps property and casualty insurance carriers modernize homeowners and commercial insurance wi...
Rooster is a subscription mobile reading app built by Plympton, Inc., a literary studio co-founded by Jennifer 8. Lee, Yael Goldstein Love, and Jacky Chang. ...
Root (formerly Slim.ai) is a container and dependency security company backed by Insight Partners. Its "secure supply" platform delivers end-to-end, autonomo...
Root Global is a Berlin-based climate technology company building decarbonization infrastructure for the food and beverage supply chain. Founded in 2022 and ...
Root Insurance is a usage-based auto insurance company that prices policies primarily based on driving behavior captured via smartphone telematics. Root prov...
Root is a U.S. app-first auto insurer that prices policies primarily on real driving behavior captured by smartphone telematics. The Root mobile app handles ...
Roper Technologies is a diversified technology holding company (NASDAQ: ROP) that acquires, manages, and develops niche market-leading software and technolog...
ROR (Research Organization Registry) is a global, community-led, curated registry of open persistent identifiers for research organizations. It provides uniq...
Rose Rocket is a Toronto-based transportation management system (TMS) for freight brokers, carriers and 3PLs, sold as an AI-native, configurable operations p...
Rosebud is an AI-powered journaling application for personal growth, combining journaling, habit-building, and emotional support in one experience. Users wri...
Rosebud AI is an AI-powered game creation platform that lets anyone build and deploy playable 3D games and interactive worlds from natural-language prompts, ...
Rosetta.ai is a Taipei-based e-commerce personalization and marketing automation platform that uses AI, image recognition, and deep learning to tailor the on...
Rosita is a company surfaced as a portfolio company of seedcamp and added to the API Evangelist network as a stub for enrichment. This profile is a lead awai...
Ross Stores, Inc. (NASDAQ: ROST) is the largest off-price apparel and home fashion retailer in the United States, operating over 1,700 Ross Dress for Less an...
Rossignol is a French outdoor sports equipment and apparel manufacturer (Rossignol Group), one of the world's best-known makers of alpine skis, cross-country...
Rossum is an AI-powered document processing platform specialised in transactional documents — invoices, purchase orders, contracts — with cognitive data capt...
Rote is an AI-native insurance department for auto body shops, backed by Y Combinator (Winter 2027 batch). The platform uses AI agents to handle the entire n...
Rotessa is a Winnipeg, Manitoba-based fintech that helps small and mid-sized North American businesses collect recurring payments directly from their custome...
Rothy's is a San Francisco-based direct-to-consumer footwear and accessories brand founded in 2012, known for washable shoes and bags 3D-knitted from recycle...
Rotten Tomatoes is the leading movie and TV review aggregation platform, providing Tomatometer scores, Audience Scores, critic consensus summaries, and revie...
Rouje is a Parisian ready-to-wear and beauty brand founded by Jeanne Damas, selling feminine ready-to-wear, shoes, accessories, and the "Les Filles en Rouje"...
Roundy's, Inc. is a Midwest grocery retailer and wholly-owned subsidiary of The Kroger Co., founded in Milwaukee, Wisconsin in 1872. Roundy's operates approx...
Routable is a B2B payments platform automating accounts payable and accounts receivable, mass payouts, and vendor management. Its API-first REST API lets tea...
Route is a post-purchase platform for e-commerce brands that helps merchants own the customer experience after checkout. Its core products are package protec...
Route 92 Medical (r92m) is a neurovascular medical device company committed to improving outcomes for stroke and neurovascular patients through revolutionary...
Route Mobile Limited is a Mumbai-headquartered cloud communications platform (CPaaS) provider and one of India's largest A2P messaging aggregators, listed on...
Routefusion is a global payments infrastructure platform that lets platforms, fintechs, and marketplaces move money across borders through a single GraphQL A...
RouterOS is MikroTik's powerful network operating system designed for managing routers, switches, access points, and other network devices. It provides a com...
RouterPlex is an OpenAI- and Anthropic-compatible AI gateway that fronts 39 chat and image models from 14 vendors — OpenAI, Anthropic, Google, DeepSeek, Moon...
Routescan is the first multichain ecosystem explorer, search, API, and analytics platform for all major EVM chains. Operating as Snowtrace for Avalanche C-Ch...
Routific is a Vancouver-based delivery management and route optimization software provider. Its platform combines smart route optimization, dispatch and live...
Rover is the world's largest online marketplace for pet care, connecting pet parents with sitters and dog walkers for boarding, house sitting, drop-in visits...
Rovi Health is a clinical navigation platform for employer health plans that puts "a clinician in every member's pocket." Members get text-based access to re...
Rovilus is a seed-stage hardware startup founded in 2018 by YenChe Huang and Katherine Kan, developing thermal management technology for industrial battery p...
Rovio Entertainment is a Finnish mobile games company best known for the Angry Birds franchise. Founded in 2003 and headquartered in Espoo, Finland, Rovio op...
Rovio Entertainment is a Finnish mobile game company founded in 2003 and headquartered in Espoo, best known for the Angry Birds franchise and a portfolio of ...
Rows is an AI-powered spreadsheet that connects to live data from dozens of business tools and lets teams build reports, dashboards and lightweight data apps...
Rowspace builds AI infrastructure for major asset managers, converting fragmented institutional knowledge into clean, structured data that AI can reliably op...
Rowy is an open-source low-code backend platform that puts an Airtable-like spreadsheet UI on top of Google Cloud Firestore, with JavaScript/TypeScript Cloud...
Rox is an AI-native revenue operating system for enterprise sales teams, built around an Agent Swarm layer that turns unified revenue context into autonomous...
ROX Motor (roxmotor.com) is a Chinese electric-vehicle manufacturer, a portfolio company of Qiming Venture Partners, best known for the ROX 01 electric off-r...
Multi-domain spiritual intelligence API exposing 210+ endpoints across 14 domains (Western Astrology, Vedic Astrology, Forecast, Human Design, Chinese Astrol...
Royal is a music-and-crypto company backed by a16z and Paradigm that originally let fans buy tokenized shares of songs (Limited Digital Assets, or LDAs) so t...
Royal Bank of Canada (RBC) is Canada's largest bank by market capitalization and one of the country's Big Six, a Schedule I domestic bank chartered under the...
Royal Caribbean Group is a global cruise vacation company operating Royal Caribbean International, Celebrity Cruises, and Silversea Cruises. Royal Caribbean ...
Royal LePage is Canada's largest residential real estate brokerage brand, founded in Toronto in 1913 as A.E. LePage and operated today under franchise and co...
Royal Mail provides a suite of REST APIs for businesses to integrate shipping, tracking, label generation, barcode allocation, and Click & Drop order managem...
Royco is a decentralized finance (DeFi) protocol offering transparent, structured yield markets for capital allocators. Through Royco Dawn, users allocate ca...
RPC, Inc. is an oilfield services company providing specialized well services to independent and major oil and gas companies engaged in the exploration, prod...
RPM International Inc. is a multinational specialty coatings and sealants company headquartered in Medina, Ohio, with annual revenues of approximately $7.4 b...
RPX Corporation is a San Francisco-based patent risk management company that provides defensive patent aggregation, patent market intelligence, and litigatio...
RR Donnelley & Sons Company (RRD) is a global provider of integrated communications services, offering marketing, business communications, commercial printin...
RS Legacy Corporation is the post-bankruptcy successor entity of RadioShack Corporation, the iconic American consumer electronics retailer founded in 1921. R...
RSA Insurance is a British property and casualty insurer whose lineage runs back to the Sun Fire Office of 1710, making it one of the oldest general insuranc...
The Royal Society of Chemistry (RSC) provides developer APIs through its ChemSpider platform, enabling programmatic access to one of the world's largest chem...
RSI Video Technologies was a St. Paul, Minnesota maker of wireless, battery-powered intrusion detection devices with built-in cameras, sold worldwide under t...
RSS (Really Simple Syndication) is the canonical XML feed format family for publishing and subscribing to streams of frequently updated content — blogs, news...
RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary deep learning algorithms to power retargeting and programmatic ad...
SaaS for developers to troubleshoot and monitor WebRTC applications. Users upload webrtc-internals/rtcstats dumps or stream stats to receive metrics, Observa...
RTFKT (pronounced "artifact") was a digital-fashion and collectibles studio founded in 2020 by Benoit Pagotto, Chris Le, and Steven Vasilev, known for NFT-ba...
Real-Time Streaming Protocol (RTSP) is an application-level network protocol designed for controlling streaming media servers. Defined by IETF RFC 2326 (RTSP...
Rtv (Return to Vendor) is a materials-innovation company building a circular recycling system for nylon-6. Its patented molecular design regenerates nylon th...
RTX Corporation is a leading American aerospace and defense company comprising three market businesses: Collins Aerospace, Pratt & Whitney, and Raytheon. Ray...
Rubedo Life Sciences is a clinical-stage biotechnology company discovering and developing precision medicines that target the biological drivers of aging and...
Rubicon (formerly NYSE: RBT) is a waste, recycling, and sustainability technology company founded in 2008. It went public in 2022 via a SPAC merger with Foun...
Rubicon Project is a Los Angeles-based advertising technology company, founded in 2007, that built and operated one of the largest real-time bidding advertis...
Rubric Labs is an applied AI lab based in Canada that helps companies build and ship intelligent, agent-powered applications. Rather than selling a public AP...
Rubrik is a Zero Trust data security company that protects enterprise, cloud, and SaaS data with backup, recovery, threat analytics, data security posture ma...
A profile of the Ruby programming language ecosystem from an API perspective: the language and its standard library HTTP surface (Net::HTTP), the rubygems.or...
RubyGems.org is the Ruby community's primary gem hosting service, providing the infrastructure for publishing, discovering, and installing Ruby gems. The Rub...
Ruckus Network is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profil...
RudderStack is a warehouse-native customer data platform (CDP) for developers, with open-source data plane SDKs (rudder-server) and a managed control plane. ...
Rudus is a Y Combinator (Spring 2026) startup building an AI-powered takeoff and estimation platform for concrete contractors and subcontractors. The softwar...
Ruedata (RueData AI) is an AI predictive tire-management software platform for commercial fleet operators. It combines a smart digital inspection app, the TL...
A read-only, GET-only discovery-cache REST API for Rugspull, a self-described high-risk parody DeFi protocol on BNB Smart Chain (chain id 56). Exposes rebuil...
RuhAN (ruhan.co) is a Turkish mining and underground-sciences platform covering mining licence workflows, MAPEG and Turkish mining legislation, tender and fi...
Ruhnn Holding Limited (如涵控股) is a Hangzhou-based Chinese influencer (KOL) incubation, marketing, and e-commerce company. It pioneered the "internet celebrity...
Ruka.ai is a Spanish-language AI company, backed by 500 Global, that builds AI agents giving businesses control and visibility over their operating margin. I...
Rula is a telehealth mental health platform that connects patients with licensed therapists and psychiatric providers who accept their insurance. Operating a...
Ruma Care is a healthcare software company that streamlines the prior authorization process for biologic and infusion medications in infusion clinics. Its AI...
Rumarocket is an AI-powered talent management and HR analytics platform whose tagline is "Hire Talent, Not Employees." It integrates with existing HR systems...
Run The World is a company surfaced as a portfolio company of a16z and added to the API Evangelist network as a stub for enrichment. This profile is a lead a...
Runa is a global digital payouts platform that enables businesses to automate digital reward and gift card distribution through a single API. The platform pr...
RunAnywhere is a Y Combinator (W2026) infrastructure company building the layer for deploying fast, private, multimodal AI on-device at scale. It ships one o...
Runautomat (dba Automat) builds AI agents that operate computers the way people do, replacing legacy RPA tools like UiPath, Automation Anywhere, and Blue Pri...
Runbooks is an all-in-one IT operations platform purpose-built for IT teams and managed service providers (MSPs). It consolidates ITSM (service desk, ticketi...
RunBuggy is a Phoenix, Arizona based technology company operating an open, automotive-focused vehicle transportation marketplace and TMS that connects car sh...
runc is a CLI tool for spawning and running containers on Linux according to the OCI (Open Container Initiative) specification. It is the reference implement...
Rundeck is an open source runbook automation service with a web console, command line tools, and a REST WebAPI. It enables IT teams to easily run automation ...
Harbor (Runharbor) is an AI-native contract research organization (CRO) and eClinical data management platform for clinical trials. Its software automates th...
Runlayer (operated by Anysource Inc.) is an enterprise AI control plane and enablement layer for AI agents. It sits as a governed layer between the AI client...
Runloop is the AI Agent Accelerator — secure code sandboxes (Devboxes), evaluation infrastructure (Benchmarks, Scenarios), and production-grade orchestration...
RunReveal is a unified security log management and detection platform that replaces traditional SIEM with a scalable security data lake, AI-powered detection...
Runscope is an API monitoring and testing platform that lets teams create, schedule, and run automated tests against their APIs to catch performance problems...
RunSignup is an all-in-one race registration and event management platform serving running events, triathlons, cycling events, and obstacle courses. Their op...
RunSybil is an AI-native autonomous offensive security platform. Sybil — a system of AI agents — continuously penetration tests live applications and infrast...
Runtime (runtm.com) is a Y Combinator-backed platform (Spring 2026) that lets engineering and non-engineering teams safely run coding agents across an organi...
Runware is a unified AI inference platform — "one API for all AI" — that gives developers a single endpoint for image, video, audio, 3D, and text (LLM) gener...
Runway is an applied AI research company that builds generative AI tools for creative professionals. Their developer platform provides APIs for video generat...
Runway (RunwayML) is a generative AI media platform whose developer API turns text, images, and video into new video, images, speech, and character performan...
Runway is a financial planning and analysis (FP&A) platform for high-growth teams, offering collaborative planning, budgeting, revenue and headcount forecast...
RunWhen is an AI platform for building safe-for-production agents that triage alerts, remediate infrastructure, analyze cost, and answer questions about prod...
Runwise provides wireless smart-control systems that automate heating, cooling, water, and gas infrastructure in multifamily and commercial buildings. Its re...
Rupa Health (now a Fullscript company) is a healthcare platform that lets functional and root-cause medicine practitioners order, track, and receive results ...
Rupeek is an asset-backed online gold loan company operating across India, enabling customers to borrow money by pledging gold jewelry as collateral. Its pro...
Rupifi is an India-based B2B payments and embedded-credit fintech that lets marketplaces, distributors, and brands offer their SME and retailer buyers a line...
Rush Enterprises is the largest network of commercial vehicle dealerships in North America, operating Rush Truck Centers with more than 200 locations across ...
RushRez is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This profile is a ...
Rutter is the leading unified RESTful API for B2B financial products that connects to over 60 commerce, payments, accounting, and ads platforms through a sin...
RUUT (ruut.mx) is a Mexican fintech and mobile-first investment platform that lets everyday people invest in the US stock markets. Marketed as "la plataforma...
Ruzuku is a hosted online course platform for coaches, authors, and subject matter experts to create, teach, and sell online courses and learning communities...
RVDS Inc. is a South Korean food and beverage company that describes itself as growing into Korea's representative Multi-K-Food Brand Operator, building and ...
Rwazi is a hyper-local market intelligence and Decision AI platform whose product, Sena, combines a company's internal business data with real-world consumer...
RWTH Aachen University (Rheinisch-Westfaelische Technische Hochschule Aachen) is Germany's largest technical university and a member of the TU9 alliance of l...
Rx Redefined Inc is a healthcare technology company in Arroyo Grande, California, founded in 2018, that operates a patented, compliance-focused DMEPOS (durab...
RXNT is a cloud-based, integrated healthcare software company offering ONC-certified Electronic Health Records (EHR), EPCS-enabled electronic prescribing (eR...
RXO is a freight and logistics platform that connects shippers and carriers across truckload, less-than-truckload, managed transportation, and last-mile deli...
Rybbit is an open-source, privacy-friendly web and product analytics platform positioned as a cookieless alternative to Google Analytics and Plausible. It in...
Rybbon (now BHN Rewards) is a digital rewards management platform with a REST API for sending gift cards and prepaid virtual cards, managing reward campaigns...
Ryder System, Inc. is a leading provider of supply chain, dedicated transportation, and fleet management solutions. Ryder operates a developer portal offerin...
Rye is agentic commerce infrastructure - a Universal Checkout API that turns any product URL into a completed order without redirecting the shopper. Develope...
Ryerson Holding Corporation is a leading value-added processor and distributor of industrial metals, with operations across the United States, Canada, Mexico...
Ryft is the intelligent Apache Iceberg management platform - a data lakehouse optimization layer that continuously monitors, manages, and optimizes Iceberg t...
The Ryland Group was one of the largest U.S. homebuilders and a leading mortgage finance company before merging with Standard Pacific Corp in October 2015 to...
Rylo (Nagish Inc. d/b/a Rylo) is a New York-based accessibility technology company building free communication tools for people who are Deaf, hard of hearing...
RYSE (legal name RYSE USA Inc.) is a consumer IoT and smart-home hardware company that retrofits existing window coverings with motorization. Its product lin...
Ryu is a company surfaced as a portfolio company of 500-global and added to the API Evangelist network as a stub for enrichment. This profile is a lead await...
Rénibus Therapeutics is a privately held clinical-stage biopharmaceutical company headquartered in Southlake, Texas, developing treatments for cardio, renal ...