Providers - R

R

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...

R1 RCM

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...

Rabbit

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...

RabbitMQ

RabbitMQ is a widely deployed open source message broker. It supports multiple messaging protocols and can be deployed in distributed and federated configura...

Rabobank

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...

Race Entry

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

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...

RACE RESULT

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...

RACI

A responsibility assignment matrix that defines roles and responsibilities using four key designations - Responsible (those who do the work), Accountable (th...

Racing Data

Racing Data is a developer-focused API providing real-time updates and historical statistics across racing series, including Formula One, IndyCar, and others...

RacingHub

"Formula 1 historical data and statistics"

Rackspace Technology

Rackspace Technology is a multicloud solutions provider offering managed services, professional services, and

Radar

Use Radar APIs as building blocks for location-based products and services like pickup and delivery tracking, location-triggered notifications, location veri...

Radian Group

Radian Group Inc. (NYSE: RDN) is a global, multi-line specialty insurer providing private mortgage insurance through Radian Guaranty and specialty insurance ...

Radio Browser

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...

Radio Cult

Are you looking to power your online radio stations website with the Radio Cult API? If so, you're in the right place.

Radio Mast

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

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...

Radio.co

Your toolset for creating bespoke players. Showcase your station to fit your website, apps, and beyond.

Radius

Application platform for cloud-native applications that enables developers to define, deploy, and manage applications across multiple clouds and on-premises ...

Rafay Product Documentation

Rafay product documentation, API references, Kubernetes platform guides, and resources covering the Rafay Kubernetes Operations Platform (KOP), GPU PaaS, AI ...

Raft

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

Ragas is an open-source Python evaluation framework for LLM and RAG (retrieval-augmented generation) applications. It provides metrics, experiments, dataset ...

Ragas

Ragas is an open-source evaluation toolkit for Large Language Model applications, with particular depth on Retrieval Augmented Generation (RAG) and agentic s...

Raider

"Provides detailed character and guild rankings for Raiding and Mythic+ content in World of Warcraft"

Railinc

Railinc, a wholly owned subsidiary of the Association of American Railroads, delivers IT and information services to the North American freight rail industry...

Railway

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 Transport for France

"SNCF public API"

Rainbow

Rainbow is a CPaaS platform from Alcatel-Lucent Enterprise (ALE) that lets developers enrich applications with chat, group chat, voice, video, file sharing, ...

Rainbow.AI

Rainbow.AI provides hyperlocal precipitation forecasting APIs that deliver minute-by-minute rain and snow predictions at 1 km resolution, helping businesses ...

Rainmaker Live

Rainmaker Live is a platform for live streaming, virtual events, and audience engagement. No public REST APIs or developer documentation have been verified a...

RainViewer

"Radar data collected from different websites across the Internet"

Raken

Raken is a San Diego-based construction technology company providing a field-first daily reporting and field management platform for general contractors, sub...

Rakuten

Rakuten Group is a Japan-headquartered internet conglomerate spanning e-commerce (Rakuten Ichiba), fintech (Rakuten Bank, Rakuten Card, Rakuten Securities), ...

Rakuten Mobile

Rakuten Mobile is the Japanese mobile network operator (MNO) of Rakuten Group, headquartered in Setagaya, Tokyo, and Japan's fourth nationwide carrier alongs...

Ralph Lauren

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

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...

RAML

RAML (RESTful API Modeling Language) is a YAML-based specification language for describing RESTful APIs with first-class support for reusable patterns, trait...

Ramp

Ramp is a finance automation platform that combines corporate cards, expense management, accounts payable, vendor management, and accounting integrations int...

Rancher

Rancher is an open source container management platform built by SUSE that provides a complete software stack for teams adopting containers. It simplifies Ku...

Random Data

"Random data generator"

Random Stuff

"Can be used to get AI Response, jokes, memes, and much more at lightning-fast speed"

Random Useless Facts

"Get useless, but true facts"

Random User Generator

Free, open-source REST API that generates rich, realistic synthetic user records (name, location, login, contact, picture, identification, nationality) for a...

RandomDog

"Random pictures of dogs"

RandomDuck

"Random pictures of ducks"

RandomFox

"Random pictures of foxes"

Randommer

"Random data generator"

Range Resources

Range Resources is an independent natural gas, natural gas liquids, and oil company engaged in the exploration, development, and acquisition of natural gas a...

Rapid7

Rapid7 is a cybersecurity company providing the Insight Platform with products for vulnerability management (InsightVM), SIEM/XDR (InsightIDR), application s...

RapidAPI

RapidAPI operates the world's largest API marketplace, connecting developers to thousands of APIs through a single platform. Their developer platform provide...

RapiDoc

RapiDoc is a web component that allows developers to easily integrate interactive documentation for their APIs. It provides a user-friendly interface for exp...

Rappi

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 ...

Rapyd

Rapyd is a global Fintech-as-a-Service network offering collect, disburse, hold, and issue capabilities across

Rasyonet

Rasyonet is a Turkish fintech company providing integrated financial software solutions and capital markets data platforms for institutional clients, asset m...

Ratify

Ratify is a CNCF Sandbox open-source verification framework for container images and other supply chain artifacts in Kubernetes environments. It enables poli...

Ravelin

Ravelin is a London-based fraud detection and prevention platform offering AI-native, real-time

RAWG

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...

RAWG.io

"500,000+ games for 50 platforms including mobiles"

Ray

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...

Raydium

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

Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and Application Performance Monitoring (APM) into a s...

Raymond James Financial

Raymond James Financial is a diversified financial services holding company headquartered in St. Petersburg, Florida, providing investment banking, wealth ma...

Rayonier

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

Raytheon is an American aerospace and defense manufacturer operating as a business of RTX Corporation, the world's largest aerospace and defense company. Ray...

Razorpay

Razorpay is India's leading full-stack payments and business banking platform, enabling merchants to accept, process, and disburse payments across cards, UPI...

Razorpay IFSC

"Indian Financial Systems Code (Bank Branch Codes)"

RB2B

RB2B is a US-focused B2B website visitor identification platform that resolves anonymous web traffic into person-level leads — names, LinkedIn profiles, hash...

RBAC

Role-Based Access Control (RBAC) is a security paradigm that restricts system access based on assigned roles rather than individual user identities. Users ar...

RCS Capital

RCS Capital Corporation (RCAP) was a publicly traded holding company focused on the financial services industry, founded by Nicholas Schorsch and taken publi...

RDF

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...

RDP

The Remote Desktop Protocol (RDP) is a proprietary network protocol developed by Microsoft that provides a graphical interface to connect to another computer...

React

A JavaScript library for building user interfaces, maintained by Meta and the open source community.

React Foundation

The React Foundation is a Linux Foundation project announced in February 2026 that supports React, React Native, and supporting components after Meta contrib...

React Native

A framework for building native apps using React, enabling cross-platform mobile development for iOS and Android.

Reactive Programming

Reactive Programming is a software development paradigm centered around asynchronous data streams and the propagation of changes. It enables building event-d...

ReadMe

ReadMe is a developer hub platform that helps companies design, document, and operate their APIs. The platform combines hosted API reference (OpenAPI-driven)...

ReadMe Metrics

ReadMe is an API documentation and developer hub platform that helps companies build interactive API documentation, track API usage analytics, and improve de...

Readme typing SVG

"Customizable typing and deleting text SVG"

README.md

Standard repository documentation file providing project overview, setup instructions, and usage examples. Automatically displayed on repository landing page...

ReadSoft

ReadSoft was a provider of intelligent automation and business process management solutions for accounts payable and other document-intensive processes. Acqu...

ReadSpeaker

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 Player Me

ReadyAPI

ReadyAPI is SmartBear's enterprise-grade automated API testing platform. It unifies functional, security, performance, and virtualization testing for REST, S...

Real Time Finance

"Websocket API to access realtime stock data"

RealEstateAPI

RealEstateAPI.com offers expressive property data APIs designed for building prop-tech applications. The platform exposes nationwide US property records incl...

Realogy Holdings

Realogy Holdings (now Anywhere Real Estate) is a global provider of residential real estate services with brands including Better Homes and Gardens Real Esta...

RealPage

RealPage is a multifamily and rental-housing software company offering property management, marketing, leasing, resident experience, accounting, facilities, ...

Realtime

A topic catalog of realtime APIs, protocols, providers, and patterns. Realtime distinguishes itself from streaming by being interactive and typically bidirec...

Realtor

Realtor.com is an online real estate marketplace operated by Move, Inc., providing home listings, neighborhood information, and tools for buyers, sellers, an...

Realtor.com

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...

Realty Income

'Fortune 1000 company Realty Income. Public API documentation has not yet been catalogued in the API Evangelist network.'

Realtyna

Realtyna provides real estate technology including IDX, RESO Web API integrations, MLS data routing, and a WordPress-based property platform (WPL). Their API...

Rebrandly

"Custom URL shortener for sharing branded links"

Recife City Open Data

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...

RecipeAPI

"Recipes, ingredients, nutrition data and cooking instructions"

Reckitt Benckiser

Reckitt Benckiser is a British multinational consumer-goods company focused on health, hygiene, and nutrition. Its portfolio includes globally recognised bra...

Reco

Reco is a SaaS security platform using identity-centric analysis to detect threats, prevent data exposure, and manage access across SaaS applications.

Recorded Future

Recorded Future is a threat intelligence platform whose Intelligence Cloud combines open-web, dark-web, technical,

Recraft

Recraft is an AI design platform offering raster and vector image generation, image editing, inpainting, background removal/generation, vectorization, upscal...

Recraft

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...

Recreation Information Database

"Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US)"

Recreation.gov

The Recreation Information Database (RIDB) provides data resources to citizens, offering a single point of access to information about recreational opportuni...

Recruitee

Recruitee (part of Tellent) is a collaborative applicant tracking system (ATS) and recruiting platform that helps growing companies build hiring pipelines, p...

Recurly

Recurly is a subscription management and recurring billing platform that handles signups, plans, add-ons, coupons, dunning, invoicing, tax, revenue recogniti...

Recursion Pharmaceuticals

Recursion Pharmaceuticals (NASDAQ: RXRX) is a Salt Lake City-based AI-enabled drug discovery company that operates the Recursion Operating System (Recursion ...

Red Hat

APIs and developer resources from Red Hat, a leading provider of enterprise open source solutions including Linux, cloud, container, and Kubernetes technolog...

Red Hat

Red Hat is an IBM subsidiary providing enterprise open source software including Red Hat Enterprise Linux, OpenShift, and Ansible Automation Platform, with c...

Red Hat 3scale

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

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

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

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

Red Hat OpenShift is an enterprise Kubernetes platform that provides a consistent hybrid cloud foundation for building, deploying, and scaling containerized ...

Red Hat Satellite

Red Hat Satellite is a systems management product that helps deploy, configure, and maintain systems across physical, virtual, and cloud environments.

Red5

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....

Redash

"Access your queries and dashboards on Redash"

Reddit

Reddit is a social news aggregation, discussion, and community platform where users submit, vote, and comment on content organized into topic-based communiti...

Redfin

Redfin is a technology-powered real estate brokerage that provides property search, home value estimates, listing details, neighborhood statistics, commute d...

Redis

Redis is an open source, in-memory data structure store used as a database, cache, message

Redis Streams

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

Redmine is a flexible open source project management web application written in Ruby on Rails that supports multiple projects, issue tracking, Gantt charts, ...

ReDoc

ReDoc is an open-source API documentation renderer for OpenAPI specifications by Redocly. It generates a responsive three-panel documentation layout from Ope...

Redocly

Redocly is a company that specializes in API documentation and governance tooling. Their platform helps organizations create, manage, and publish API documen...

Redox

Redox is a healthcare interoperability platform that lets digital health vendors, providers, and payers send, receive,

Redpanda

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....

Reducto Ai

Reducto is an AI document-parsing platform that turns unstructured PDFs, images, spreadsheets, slides, and forms into LLM-ready layout, structured data, and ...

Redux

Redux is a predictable state container for JavaScript apps. It helps write applications that behave consistently, run in different environments (client, serv...

Reed

"Job board aggregator"

Refact.ai

Refact.ai is an open-source, local-first AI coding assistant and autonomous software-engineering agent built by Small Magellanic Cloud Ai Ltd. ("SmallCloud")...

Refinitiv

Refinitiv, an LSEG (London Stock Exchange Group) business, provides financial market data, infrastructure, and analytics to businesses and financial professi...

Refinitiv Eikon

Refinitiv Eikon provides financial professionals with access to real-time market data, news, analytics, and trading capabilities. The Eikon Data API allows p...

Refitter

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

Reflect is an AI-powered automated end-to-end testing platform that enables teams to effortlessly create, execute, and troubleshoot automated browser tests. ...

REFUGE Restrooms

"Provides safe restroom access for transgender, intersex and gender nonconforming individuals"

Refundid

Refundid is an instant-refund platform for e-commerce returns in Australia/NZ. Provides instant cash refund at the point of return initiation.

Regal

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

Regal Beloit was a global manufacturer of electric motors, electrical motion controls, power generation, and power transmission products before merging with ...

Regal Entertainment Group

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

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...

Regency Energy Partners

Regency Energy Partners LP (NYSE: RGP) was a publicly traded master limited partnership focused on midstream natural gas services including gathering, proces...

Regeneron

Regeneron Pharmaceuticals is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines, including EYLEA and EYLE...

Regeneron Pharmaceuticals

Regeneron Pharmaceuticals is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines for people with serious d...

Regions Financial

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...

Regular Expressions

A sequence of characters that define a search pattern, commonly used for string matching, validation, and text manipulation across programming languages and ...

Regulatory

The regulatory domain encompasses compliance requirements, regulatory reporting, and governance frameworks that organizations must adhere to across industrie...

Regulatory Templates

Pre-built templates, frameworks, and policy libraries for meeting regulatory compliance requirements across industries and jurisdictions including GDPR, HIPA...

Reinsurance Group of America

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...

Reinsurance Group of America

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...

Rejax

"Reverse AJAX service to notify clients"

Reka

Reka is a multimodal foundation model company building natively multimodal large language models capable of joint reasoning over text, image, video, and audi...

Reka AI

Reka AI is a multimodal foundation model company offering Reka Core, Flash, Edge, and Vision models that natively process text, images, video, and audio. The...

Related Companies

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...

Relational Data Modeling

Relational data modeling is a database design approach that organizes data into tables (relations) with rows and columns, establishing relationships between ...

RelativityOne

RelativityOne is a cloud-based eDiscovery and legal technology platform that provides comprehensive REST APIs for legal hold management, document processing,...

Relay App

Relay.app is an AI-powered workflow automation platform that converts plain language into reliable visual workflows across 200+ app integrations. It supports...

Relay Compiler

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 Therapeutics

Relay Therapeutics is a Cambridge, Massachusetts clinical-stage precision medicines company (NASDAQ: RLAY) using protein motion to drug historically intracta...

Relevance AI

Relevance AI is a platform for building and deploying AI agents and AI-powered workflows.

Reliable Robotics

Reliable Robotics is a California-based aerospace company developing continuous autopilot and remote piloting systems that retrofit existing fixed-wing aircr...

Reliance Steel & Aluminum

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.

Reliance, Inc. (NYSE: RS) is the largest metals service center operator in North America, distributing approximately 100,000 metal products across aluminum, ...

Reloadly

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...

Rely.io

Rely.io is an internal developer portal that aggregates engineering data, provides software catalogs with blueprints and entities, engineering scorecards, se...

Remind

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...

Remitian

Remitian is a fintech platform providing embedded tax payment infrastructure for tax software providers and accounting firms. Often described as the "Stripe ...

Remote

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...

Remote Calc

"Decodes base64 encoding and parses it to return a solution to the calculation in JSON"

Remove.bg

"Image Background removal"

Render

Render is a cloud platform for building and running applications and websites with automatic Git-based deployments. It provides managed infrastructure for we...

Renewable Energy Group

Renewable Energy Group (REG) is a North American producer of biodiesel and renewable diesel, founded with biodiesel operations dating to 1996 and formally es...

Renovate

Renovate is an open source automated dependency update bot maintained by Mend. It scans

Rent-A-Center

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...

RentCast

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...

RentSpree

RentSpree is a Los Angeles-headquartered rental real estate technology platform that streamlines the long-tail rental transaction for real estate agents, lan...

Reolink

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...

Reown

Reown (formerly WalletConnect) provides Web3 connection infrastructure

Replicate

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...

Replika

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

Replit is a cloud-based development platform that lets you create, run, and deploy software directly from your browser. It provides instant, containerized en...

Reporting Templates

Pre-built document templates for generating standardized reports, dashboards, and data presentations with consistent formatting and structure. Organizations ...

Represent by Open North

"Find Canadian Government Representatives"

Republic Services

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...

ReqBin

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...

ReqRes

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...

Requests

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...

RescueGroups

"Adoption"

RescueGroups.org

RescueGroups.org provides the only updatable HTTP/JSON API for adoptable pet data, offering comprehensive search across animals, organizations, breeds, speci...

Resemble AI

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

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...

Reserve Requirements

Reserve Requirements refers to the Federal Reserve's Regulation D framework governing reserve requirement ratios for depository institutions. As of March 26,...

Resideo Technologies

'Profile for Resideo Technologies in the API Evangelist network. Fortune F1000 (rank 548).'

Resilience4j

Resilience4j is a lightweight fault tolerance library designed for Java 17+ and functional programming, providing higher-order functions to enhance functiona...

Resilinc

Resilinc is a cloud/SaaS-based supply chain risk management platform that provides REST APIs for accessing supply chain data, disruption events, supplier ris...

Resmed

'Fortune 1000 company Resmed. Public API documentation has not yet been catalogued in the API Evangelist network.'

ReSmush.it

"Photo optimization"

Resolute Forest Products

Resolute Forest Products is a global leader in the forest products industry, producing market pulp, tissue, wood products, and newsprint. Formerly one of the...

REST

REST (Representational State Transfer) is an architectural style for designing networked applications, defined by Roy Fielding in his 2000 doctoral dissertat...

REST API

Representational State Transfer (REST) is an architectural style for designing networked applications using standard HTTP methods and stateless communication...

REST Assured

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

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

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...

REST Services

Representational State Transfer (REST) is an architectural style for designing networked applications using stateless communication and standard HTTP methods...

Restack

Restack is an enterprise AI agent platform and backend framework for building accurate, reliable, and scalable AI products. It provides durable workflow orch...

Restate

Restate is a low-latency durable execution engine for building resilient applications that tolerate all infrastructure faults. It provides durable execution ...

Restate

Restate is a durable execution platform for building resilient distributed applications, microservice orchestration, durable workflows, stateful services, an...

Restaurant Brands International

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

Restaurant365 is a cloud-based restaurant accounting, inventory, and operations platform serving thousands of restaurant locations across the United States. ...

Restfox

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...

RESTful

Representational State Transfer (REST) is an architectural style for designing networked applications using stateless HTTP communication and uniform interfac...

RESTful APIs

Representational State Transfer (REST) is an architectural style for designing networked applications. RESTful APIs use HTTP methods to perform CRUD operatio...

RESTful Microservices

An architectural style that structures an application as a collection of loosely coupled, independently deployable services that communicate via REST APIs us...

RESTful Services

Representational State Transfer (REST) services are web services built using the REST architectural style, which uses stateless HTTP communication and standa...

RESTful Web Services

RESTful web services are web services built using the Representational State Transfer (REST) architectural style, using HTTP as the transport protocol with s...

Restpack

"Provides screenshot, HTML to PDF and content extraction APIs"

Restream

Restream is a multistreaming platform that enables content creators and businesses to simultaneously broadcast live video to 30+ platforms including YouTube,...

RestSharp

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...

Resurface

Resurface (now Graylog API Security) is an API runtime security and observability platform that captures and analyzes complete API request and response paylo...

Resy

Resy is a restaurant reservation and discovery platform owned by American Express. Resy does

Retell AI

Retell AI provides voice AI infrastructure for building conversational agents with low-latency turn detection, interruption handling, tool calling, knowledge...

RethinkDB

RethinkDB is an open source, distributed document-oriented NoSQL database designed for real-time applications, with push-based change feeds, native JSON stor...

Retool

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...

Retrofit

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...

Reuters

Global news organization providing breaking news, business, financial, and multimedia content through wire services, digital platforms, and content APIs serv...

REV Group

'Profile for REV Group in the API Evangelist network. Fortune F1000 (rank 892).'

Revel Systems

Revel Systems is a cloud iPad-based POS for restaurants and retailers. The Revel Open API exposes products, orders, customers, employees, inventory, schedule...

Reverb

Reverb is a marketplace for musicians to buy and sell new, used, and vintage musical instruments

Revert

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...

Revlon

Revlon is a global beauty company whose portfolio spans color cosmetics, fragrance, skin care, hair color, hair care, beauty tools, and antiperspirants / deo...

Revolt

"Revolt open source Discord alternative"

Revolutio

Revolutio provides smart structural engineering software and a Hazard API (formerly CHECKWIND.API) that delivers site-specific wind, snow, ice, and seismic l...

Revvity

Revvity is a life sciences and diagnostics company providing instruments, software, reagents, and services to support drug discovery, development, diagnostic...

Rexnord

Rexnord was a global industrial company headquartered in Milwaukee, Wisconsin, with two strategic platforms — Process and Motion Control (bearings, couplings...

Reynolds American

Reynolds American Inc. is the second-largest tobacco company in the United States and a subsidiary of British American Tobacco (BAT). Its subsidiaries includ...

RFID

Radio-Frequency Identification (RFID) is an automatic identification technology that uses radio waves to read and capture information stored on a tag attache...

RH

'Profile for RH in the API Evangelist network. Fortune F1000 (rank 850).'

Rho

Rho is an all-in-one finance platform for businesses that combines business banking, treasury, corporate cards, expense management, bill pay, invoicing, and ...

Riak KV

Riak KV is a distributed NoSQL key-value database originally developed by Basho Technologies, designed for high availability, fault tolerance, and horizontal...

Rice University

Rice University is a private research university in Houston, Texas, ranked #141 in the QS World University Rankings 2025. Its public developer/API footprint ...

Rick and Morty

"All the Rick and Morty information, including images"

Ricoh USA

Ricoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document services, and workplace technology vendor. Beyond ...

Rig Veda

"Gods and poets, their categories, and the verse meters, with the mandal and sukta number"

Rigetti Computing

Rigetti Computing (Nasdaq, RGTI) is a Berkeley, California-based quantum computing company building superconducting quantum processors and the full-stack sof...

Riggs Distler

Riggs Distler & Company is an energy and utility infrastructure construction firm operating since 1909. Now part of Centuri Group, the company delivers elect...

Rightsline

Rightsline is the leading rights and royalties software platform for media, entertainment, and content businesses. Its REST API enables real-time integration...

Rijksmuseum

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...

Rime

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...

RingCentral

RingCentral provides unified cloud communications for businesses including voice, video, messaging, contact center, and events. The RingCentral API exposes c...

Rio Tinto

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 Games

Riot Games provides a comprehensive developer platform for accessing game data across League of Legends, VALORANT, Teamfight Tactics, Legends of Runeterra, a...

Rippling

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

RISC-V International advances the RISC-V open standard instruction set architecture (ISA), promoting open hardware development and reducing dependency on pro...

Riskified

Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine

Rita's Italian Ice

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

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

Rithm Capital is a global asset manager focused on real estate, credit, and financial services. Through subsidiaries such as Newrez, Genesis Capital, Sculpto...

Rithum

Rithum is a commerce operations platform providing dropship, marketplace, and supply chain integration solutions for retailers, brands, and suppliers. Former...

Riverside

Riverside is a professional podcast and video recording platform that enables remote studio-quality recording, AI-powered editing, and publishing. The Rivers...

Rivian Automotive

Rivian Automotive is an American electric vehicle manufacturer that designs and builds adventure-oriented electric trucks, SUVs, and commercial delivery vans...

Rivos

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...

RMIT University

RMIT University is a public research university in Melbourne, Australia, specializing in technology, design and enterprise, and ranked #123 in the QS World U...

RoadGoat Cities

"Cities content & photos API"

Robert Half International

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

Robin AI is a London-headquartered legal intelligence platform founded in 2019 by former Clifford Chance disputes lawyer Richard Robinson and machine learnin...

Roblox

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 Engine API

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

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...

Roboflow Universe

"Pre-trained computer vision models"

RoboHash

"Generate random robot/alien avatars"

Robust Intelligence

Robust Intelligence is an AI security company founded in 2019 to defend ML and GenAI systems against adversarial

Roche

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...

Rocket Companies

Rocket Companies is a Detroit-based financial services firm that provides digital solutions for homeownership and personal finance. Its portfolio includes Ro...

Rocket Lab

Rocket Lab Corporation (Nasdaq RKLB) is an end-to-end space company providing launch

Rocket Lawyer

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

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...

RocketReach

RocketReach is a Seattle-based B2B contact data and sales intelligence provider that maintains a

RocksDB

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...

Rockstar Games

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

Rockwell Automation is a global provider of industrial automation and digital transformation solutions, helping manufacturers boost productivity, sustainabil...

Rockwell Collins

Rockwell Collins was a major American company providing avionics and information technology systems and services to government agencies and aircraft manufact...

Rockwell Factorytalk

Rockwell FactoryTalk is a portfolio of software products by Rockwell Automation that supports the design, operation, and maintenance of industrial control sy...

Rohm and Haas

Rohm and Haas Company was an American specialty chemicals manufacturer founded in 1909 and headquartered in Philadelphia, Pennsylvania. The company produced ...

Roivant Sciences

Roivant Sciences (Nasdaq: ROIV) is a holding company that builds focused subsidiary biotech and health-tech operating units called "Vants." Founded by Vivek ...

Roku

Roku is the leading TV streaming platform in the U.S., Canada, and Mexico, offering a comprehensive operating

Rollbar

Rollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures exceptions and errors from web, mobile, and serve...

Rollins

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

Rolls-Royce plc is a British multinational aerospace and defense company manufacturing aero engines (Trent series), defense propulsion, and power systems. Ro...

Ron Swanson Quotes

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...

Ronin Network

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...

Rook

Rook is a CNCF graduated cloud-native storage orchestrator for Kubernetes, providing the platform, framework, and support for Ceph distributed storage system...

Rookout

Rookout is a live application debugging platform founded in 2017 in Tel Aviv, Israel that lets developers set non-breaking breakpoints in running production,...

RoomRaccoon

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...

Root Insurance

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 ...

Rootly

Rootly is an incident management platform that automates incident response workflows and integrates with existing tools.

Roper Technologies

Roper Technologies is a diversified technology holding company (NASDAQ: ROP) that acquires, manages, and develops niche market-leading software and technolog...

Ross Stores

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...

Rossum

Rossum is an AI-powered document processing platform specialised in transactional documents — invoices, purchase orders, contracts — with cognitive data capt...

Roundy's

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...

RouterOS

RouterOS is MikroTik's powerful network operating system designed for managing routers, switches, access points, and other network devices. It provides a com...

Routific

Routific is a Vancouver-based delivery management and route optimization software provider. Its platform combines smart route optimization, dispatch and live...

Royal Caribbean Group

Royal Caribbean Group is a global cruise vacation company operating Royal Caribbean International, Celebrity Cruises, and Silversea Cruises. Royal Caribbean ...

RPC

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

RPM International Inc. is a multinational specialty coatings and sealants company headquartered in Medina, Ohio, with annual revenues of approximately $7.4 b...

RPS 101

"Rock, Paper, Scissors with 101 objects"

RR Donnelley And Sons

RR Donnelley & Sons Company (RRD) is a global provider of integrated communications services, offering marketing, business communications, commercial printin...

RS Legacy

RS Legacy Corporation is the post-bankruptcy successor entity of RadioShack Corporation, the iconic American consumer electronics retailer founded in 1921. R...

RSC

The Royal Society of Chemistry (RSC) provides developer APIs through its ChemSpider platform, enabling programmatic access to one of the world's largest chem...

RSS

RSS (Really Simple Syndication) is the canonical XML feed format family for publishing and subscribing to streams of frequently updated content — blogs, news...

RSS feed to JSON

"Returns RSS feed in JSON format using feed URL"

RTSP

Real-Time Streaming Protocol (RTSP) is an application-level network protocol designed for controlling streaming media servers. Defined by IETF RFC 2326 (RTSP...

RTX

RTX Corporation is a leading American aerospace and defense company comprising three market businesses: Collins Aerospace, Pratt & Whitney, and Raytheon. Ray...

Rubrik

Rubrik is a Zero Trust data security company that protects enterprise, cloud, and SaaS data with backup, recovery, threat analytics, data security posture ma...

Ruby Programming Language and Popular API Gems

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

RubyGems.org is the Ruby community's primary gem hosting service, providing the infrastructure for publishing, discovering, and installing Ruby gems. The Rub...

RudderStack

RudderStack is a warehouse-native customer data platform (CDP) for developers, with open-source data plane SDKs (rudder-server) and a managed control plane. ...

Runa

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...

Runbooks

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...

Runc

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

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 ...

RuneScape

"RuneScape and OSRS RPGs information"

Runloop

Runloop is the AI Agent Accelerator — secure code sandboxes (Devboxes), evaluation infrastructure (Benchmarks, Scenarios), and production-grade orchestration...

RunPod

RunPod is a managed GPU cloud and serverless inference platform offering on-demand and persistent GPU Pods, autoscaling Serverless endpoints, network volumes...

RunSignup

RunSignup is an all-in-one race registration and event management platform serving running events, triathlons, cycling events, and obstacle courses. Their op...

Runway

Runway is an applied AI research company that builds generative AI tools for creative professionals. Their developer platform provides APIs for video generat...

Runway

Runway is a generative AI research company that builds creative tools for video, image, and audio production. Its flagship Gen-4 family of models powers text...

Runyankole Bible

"Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses"

Rush Enterprises

Rush Enterprises is the largest network of commercial vehicle dealerships in North America, operating Rush Truck Centers with more than 200 locations across ...

Russian Calendar

"Check if a date is a Russian holiday or not"

Rustybeer

"Beer brewing tools"

Rutter

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...

Rwanda Locations

"Rwanda Provences, Districts, Cities, Capital City, Sector, cells, villages and streets"

RWTH Aachen University

RWTH Aachen University (Rheinisch-Westfaelische Technische Hochschule Aachen) is a leading German technical university, ranked #83 in the QS World University...

RXO

RXO is a freight and logistics platform that connects shippers and carriers across truckload, less-than-truckload, managed transportation, and last-mile deli...

Ryder System

Ryder System, Inc. is a leading provider of supply chain, dedicated transportation, and fleet management solutions. Ryder operates a developer portal offerin...

Ryerson Holding

Ryerson Holding Corporation is a leading value-added processor and distributor of industrial metals, with operations across the United States, Canada, Mexico...

Ryland Group

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...