The U.S. Access Board is an independent federal agency that promotes equality for people with disabilities through the development of accessibility guideline...
The U.S. Agency for Global Media (USAGM) is an independent federal agency that oversees a network of international media organizations aimed at providing new...
The U.S. Bureau of Labor Statistics (BLS) is the principal federal statistical agency responsible for measuring labor market activity, working conditions, an...
The U.S. Department of Transportation (DOT) is the federal transportation regulator for the United States, the deepest travel market in the world. In aviatio...
The U.S. Fish and Wildlife Service (USFWS) is the federal agency responsible for conserving, protecting, and enhancing fish, wildlife, plants, and their habi...
The U.S. Geological Survey (USGS) is a scientific agency of the U.S. government that conducts research and provides data on the natural resources and hazards...
U.S. Immigration and Customs Enforcement (ICE) is a federal law enforcement agency under the U.S. Department of Homeland Security responsible for enforcing f...
U.S. Treasury Fiscal Data is a free, public source for federal government financial data published by the Bureau of the Fiscal Service. Its REST API serves m...
The U.S. Treasury Bureau of the Fiscal Service manages the government's finances including collecting revenue, paying federal bills, managing federal debt, a...
Ualá is a Latin American fintech founded in Argentina in 2017 by Pierpaolo Barbieri, offering a neobank super-app (prepaid and credit cards, savings, investm...
Ualá is an Argentine financial technology company and neobank founded in 2017 by Pierpaolo Barbieri, headquartered in Buenos Aires. The company delivers a mo...
Uare.ai is a consumer Individual AI platform founded by LivePerson founder Rob LoCascio that lets people build and own a personal AI trained on their own voi...
ubank is an Australian digital-only bank offering savings accounts and home loans online and over the phone. Launched in 2008 as the online banking brand of ...
Ubble is a Paris-founded identity verification company, now part of Checkout.com and operated as the Checkout.com Identity Verification (Identities) solution...
uBeam was an ultrasonic wireless power startup founded in 2011 by Meredith Perry and headquartered in Marina del Rey, California. It raised roughly $26 milli...
Uber is a global technology platform offering transportation, food delivery, and logistics services. Its developer platform provides APIs for integrating rid...
Uber Direct is Uber's last-mile delivery-as-a-service platform that lets merchants dispatch couriers via the Uber network for on-demand and scheduled deliver...
Uber Eats exposes a family of developer APIs through the Uber Developer Portal that let restaurants, marketplace platforms, POS providers, and logistics part...
Uber Freight is a digital freight brokerage platform providing 24/7 access to truckload freight with instant quoting and booking, real-time shipment visibili...
Uberduck is an AI voice platform whose public REST API converts text into natural-sounding speech across a catalog of voices and provider-backed models (AWS ...
UberSense was a Boston, Massachusetts sports-technology startup whose mobile app provided slow-motion video capture and analysis for coaching athletes, from ...
uberVU was a social media analytics and monitoring company, backed by Seedcamp, that offered brand-insight dashboards and a metrics API before being acquired...
Ubeya is an AI-powered workforce management platform for businesses that rely on hourly and temporary workers, including staffing agencies, stadiums, events,...
Ubicquia is a Fort Lauderdale, Florida intelligent-infrastructure company that turns streetlights, distribution transformers, and substations that cities and...
Ubidots is an Industrial AIoT platform designed for OEMs, system integrators, and engineering firms that need to ingest, visualize, and act on device telemet...
UBIO (ubio.ai, formerly ub.io) is a London-based, Techstars-backed web automation company. Its Automation Cloud platform runs automation scripts as jobs thro...
uBiome 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 awaiting...
Ubiq is a Vienna, Austria mobility-intelligence company (NECTURE GmbH) that rebranded from UBIQ to NECTURE in 2024. Its "distributed operations" SaaS platfor...
Ubiquisys was a UK-based developer of intelligent 3G/LTE/Wi-Fi small cells and femtocells for mobile operators, with products like ActiveRadio, ActiveSON, Cl...
Ubiquiti Inc. (NYSE: UI) is an American networking technology company that designs and sells wireless and wired network products for enterprises, service...
Ubiquitous Energy is a Redwood City, California materials-science company and MIT spin-out that develops UE Power (formerly ClearView Power), a transparent p...
Ubiquity6 was a San Francisco augmented-reality startup ("Capture & Edit Reality") backed by Benchmark, First Round, and Index Ventures. It built Display.lan...
Ubitricity is a Berlin-based electric vehicle charging company and wholly-owned subsidiary of Shell, best known for integrating EV charge points into existin...
UBIX Labs is a no-code, cloud-based AI platform designed to democratize artificial intelligence for business users. The platform provides end-to-end AI capab...
Ubooly was a children's smart-toy company that made "The Learning Toy that Listens" - a plush toy that turned a smartphone, iPod touch, or tablet into an int...
UBQ Materials is a climate-tech company founded in 2012 that converts unsorted mixed household waste, including organics and hard-to-recycle plastics, into U...
Ubras is a Chinese direct-to-consumer intimate apparel brand best known for popularizing sizeless (one-size) wireless bras and skin-layer basics. It sells th...
A Swiss multinational investment bank and financial services company and the world's largest wealth manager. UBS exposes a multi-ecosystem developer platform...
UBS Bank USA (BUSA) is a Utah state-chartered industrial bank and FDIC-insured depository institution headquartered in Salt Lake City, Utah, established in 2...
UBTech Robotics is a Shenzhen-based robotics company building humanoid robots (the Walker series), commercial service robots (Cruzr, CADEBOT), AI education r...
Collection of APIs and services provided by Canonical for Ubuntu and related products. Includes the Snap Store API for package management, Launchpad API for ...
University College London (UCL) is a public research university in London, United Kingdom, and a member of the Russell Group. UCL is the clearest illustratio...
UCloud (优刻得, UCloud Technology Co., Ltd.) is a neutral Chinese cloud computing provider listed on the SSE STAR Market (688158), offering compute (UHost, bare...
UCLouvain (Universite catholique de Louvain) is Belgium's largest French-speaking university -- a private institution subsidised by public authorities, Catho...
UCode was a STEM coding-education company ("Where Kids Learn to Code and Create") that taught kids and teens ages 6-19 software programming through classes, ...
The UCSC Genome Browser is a widely-used bioinformatics tool providing access to genomic data, sequence information, and annotation tracks for hundreds of or...
UCSI University is a private, multi-campus university in Kuala Lumpur, Terengganu and Sarawak, Malaysia, established in 1986 and ranked #265 in the QS World ...
Udaan is India's largest eB2B trade platform, connecting small businesses - kirana stores, chemists, hotels, restaurants, and offices - with manufacturers, b...
Udacity is an online tech-upskilling platform offering project-based Nanodegree programs, individual courses, and enterprise workforce development across Art...
Udemy is a global online learning marketplace offering tens of thousands of on-demand video courses across business, technology, design, and personal develop...
Udesk, the flagship product of Beijing Wofeng Times Data Technology (沃丰科技/Wofeng Technology), is a Chinese intelligent customer service and customer-experien...
Udio is an AI music generation platform creating songs with vocals, instrumentation, and remixing capabilities. As of May 2026 Udio does NOT publish a public...
UGI Corporation is a Fortune 500 international energy distribution and services company headquartered in King of Prussia, Pennsylvania. UGI distributes natur...
UGI Corporation (NYSE: UGI) is a King of Prussia, Pennsylvania-based natural gas and electric utility and propane distribution company. UGI Utilities serves ...
Uhnder is an Austin, Texas fabless semiconductor company founded in 2015 that designs the S80 and S81 77 GHz 4D digital imaging Radar-on-Chip (RoC) for autom...
Uhura Solutions is a London-based AI platform for document-driven process automation in financial services, combining fine-tuned large language models, a low...
UiPath is an enterprise automation platform offering robotic process automation (RPA), AI-powered automation, and agentic automation capabilities. The platfo...
Uizard is an AI-powered UI design and prototyping platform that lets non-designers turn text prompts, screenshots, and hand-drawn sketches into editable mock...
UJET is an AI-powered cloud contact center (CCaaS) platform that unifies voice, chat, SMS, email, WhatsApp, and in-app mobile support into a single agentic c...
The UK Civil Aviation Authority (CAA) is the United Kingdom's independent aviation regulator and a public corporation of the Department for Transport. It lic...
UK Government Open Data is a national government open-data portal for United Kingdom running CKAN. It exposes the CKAN catalog API, a standardized machine-re...
UK Open Banking standard with REST APIs for account and transaction data, payment initiation, variable recurring payments, and confirmation of funds for regu...
UK Power Networks is the distribution network operator for London, the South East and the East of England, running three electricity distribution licence are...
UKG (Ultimate Kronos Group) is an enterprise human capital management (HCM) and workforce management platform serving over 80,000 organizations worldwide. Th...
UKG Pro (formerly UltiPro) is an enterprise human capital management (HCM) suite from UKG that delivers payroll, core HR, benefits administration, talent man...
UKG Ready (formerly Kronos Workforce Ready) is UKG's unified Human Capital Management (HCM) suite for small and midmarket organizations, combining HR, payrol...
Ukio is a Barcelona-founded proptech company offering monthly furnished apartment rentals across Europe, with apartments in Barcelona, Madrid, Berlin, Lisbon...
UL Solutions is a global leader in applied safety science, providing testing, inspection, certification, advisory, and software solutions to help customers i...
Ula was a B2B wholesale commerce platform for small neighborhood retail shops (warungs), providing supply chain technology, inventory management, and credit ...
Ulta Beauty is the largest beauty retailer in the United States, offering cosmetics, fragrance, skin care products, hair care products, and salon services th...
Ulta Salon, Cosmetics & Fragrance (now operating as Ulta Beauty) is the largest beauty retailer in the United States, offering cosmetics, fragrance, skin car...
Ultima Genomics develops high-throughput, low-cost DNA sequencing platforms built on a novel semiconductor-inspired architecture, aimed at driving the cost o...
Ultimate.ai was a Helsinki- and Berlin-based customer support automation platform - virtual agents and chatbots with intent recognition and agent-assist - ba...
Ultra Safe Nuclear Corporation (USNC) was a Seattle-based advanced nuclear company, founded in 2011, that vertically integrated fourth-generation nuclear pow...
Ultrahuman makes the Ring AIR and Ring Pro smart rings and the M1 continuous glucose monitor (CGM), a subscription-free metabolic-health wearable ecosystem. ...
Ultralight is an AI-native electronic health record (EHR) and operating system for functional, integrative, and longevity medicine practices. The platform br...
Ultromics is a UK-based clinical AI company, spun out of the University of Oxford and backed by GV, whose EchoGo platform applies FDA 510(k)-cleared AI to ro...
Ulu Ventures is a seed-stage venture capital firm based in Palo Alto, California, founded by Miriam Rivera and Clint Korver. The firm applies decision analys...
Kaminashi Inc. (株式会社カミナシ) is a Tokyo-based SaaS company founded in December 2016 under its former corporate name Ulysses Inc. (ユリシーズ株式会社). It builds the Kami...
Umami is an open source, privacy-first web analytics platform that provides website traffic insights without cookies or personal data collection, serving as ...
UMB Bank, National Association is the primary banking subsidiary of UMB Financial Corporation (Nasdaq ticker UMBF), a Kansas City, Missouri financial service...
Umbala (Umbala Labs, formerly Umbala Technologies / UmbalaTv) is a Vietnamese consumer video and camera technology startup backed by 500 Global. It built the...
Umbra is an American space technology company operating a constellation of commercial synthetic aperture radar (SAR) satellites capable of sub-25cm resolutio...
Umbria Region Open Data is a regional government open-data portal for Italy running CKAN. It exposes the CKAN catalog API over approximately 457 datasets.
UML (Unified Modeling Language) is the standard modeling language for software architecture, system design, and technical documentation. Governed by the Obje...
Ummeed Housing Finance Pvt. Ltd. is an Indian affordable-housing finance company registered with the National Housing Bank (NHB), providing home loans, loans...
Umoja Biopharma is a Seattle-based clinical-stage immuno-oncology company developing in vivo CAR T cell therapies for cancer. Its VivoVec lentiviral platform...
Umoja Labs is the company behind Umoja Protocol, a decentralized finance product described as a next-gen yield vault token (YVT) protocol for earning yield o...
Umony is a London-based communications compliance platform, founded in 2017 and backed by Seedcamp, that captures, records, and archives employee voice calls...
Umpqua Holdings is a major US corporation and Fortune 1000 company. The Umpqua Holdings API provides programmatic access to its platform services, data, and ...
Umrahme is a consumer online travel platform from the Traveazy Group focused on the Umrah pilgrimage, letting pilgrims across the GCC, UK, US, Europe, and Eg...
United Nations international trade statistics database with a REST API for accessing import/export data, commodity trade flows, and bilateral trade statistic...
Una Brands is a Singapore-headquartered, digital-age e-commerce house of brands that acquires and operates consumer e-commerce businesses across the APAC reg...
Unacademy is a Bangalore-based online learning platform — one of India's largest — offering live classes, courses, study material, and test preparation for c...
Unamo was a Warsaw, Poland based SaaS suite offering SEO monitoring, social media monitoring, and conversion rate optimization, formerly known as Positionly,...
Unbabel is a Language Operations (LangOps) platform that combines always-on AI translation with on-demand human review to localize customer support, marketin...
Unblocked is an AI context engine for engineering teams that consolidates code, documentation, tickets, and conversations from sources like GitHub, Slack, Ji...
Unbounce is a landing page, popup, and sticky bar builder with conversion rate optimization features including drag-and-drop design, A/B testing, AI copywrit...
Unbound (Unbound Finance) was a DeFi protocol describing itself as "The DeFi Treasury for Liquidity Pool Tokens," enabling liquidity providers to collaterali...
Uncapped provides working capital to online businesses, offering revenue-based financing products including merchant cash advances (MCA), term loans, and lin...
Unchained (Unchained Capital, Inc.) is an Austin, Texas bitcoin-native financial services company built around collaborative multisig custody. Clients hold b...
Unchained Labs is a life-science tools company that designs, manufactures, and sells analytical instruments, automation, and consumables for biologics, gene ...
Uncle Nearest, Inc. is an American whiskey company headquartered in Shelbyville, Tennessee, founded in 2017 by Fawn Weaver and Keith Weaver and named for Nat...
Uncodie, a 500 Global portfolio company, rebranded as Makinari — an AI-agent business platform that builds the application a business needs and then runs gro...
Uncommon (uncommonbio.co, formerly Higher Steaks) is a Cambridge, UK biotechnology company backed by Balderton Capital. The company sold its cultivated meat ...
Unconventional (Unconventional, Inc.) is an AI-hardware research company rethinking the foundations of the computer to optimize energy efficiency for AI. Fou...
Unconventional AI (unconv.ai) is rethinking the foundations of the computer to optimize energy efficiency for AI, working to bring biology-scale efficiency t...
Uncork Capital is a San Francisco-based seed-stage venture capital firm founded in 2004 by Jeff Clavier, who formalized his angel portfolio into one of Silic...
Uncountable is a unified laboratory informatics and R&D data platform for enterprise research organizations, replacing disconnected LIMS, ELN, QMS and PLM to...
Uncovr is a surgical AI company building a foundation model for surgery. Its platform captures video from any operating-room source (laparoscopic, robotic, o...
Under Armour is an American company that manufactures footwear, sports, and casual apparel known for its performance products designed for athletes. Under Ar...
Underdog (legal entity Older is Better, RCS Nantes 918 609 629) is a French direct-to-consumer retailer of professionally refurbished large home appliances a...
Underdog (Underdog Sports, formerly Underdog Fantasy) is a Brooklyn, New York based sports gaming company founded in 2020 by Jeremy Levine that operates dail...
Understory is an insurtech company headquartered in Madison, Wisconsin (founded 2012) that combines its own network of ground-truth Dot weather sensors with ...
Understudy Labs (YC S26) is an LLM gateway and model-optimization platform that helps teams move repeated production LLM workloads onto open-weight models th...
A curated collection of data standards, APIs, and specifications used in insurance underwriting. This covers the landscape of industry-wide data interchange ...
UNest is a Los Angeles-based fintech app that helps parents and families save and invest for their children's futures through UTMA/UGMA custodial investment ...
Unframe AI is an enterprise AI platform (Unframe AI OS) that assembles production-ready AI solutions from modular building blocks — an Agent Orchestrator, Kn...
Uni (Uni Cards) is an Indian consumer credit fintech founded in 2020 by Nitin Gupta, Prateek Jindal, and Laxmikant Vyas that delivers clutter-breaking credit...
Uni Cards (Uniorbit Technologies) is a Bangalore-based Indian consumer fintech backed by Accel that builds credit-card and pay-later products, best known for...
Uniblock is a Web3 infrastructure platform that provides a standardized API aggregating data from hundreds of DEXs and cross-chain bridges, abstracting the c...
UNICEF Data is the official open data platform of the United Nations Children's Fund, providing programmatic access to global child welfare statistics, healt...
Unicorn Auctions is a Chicago-based online auction marketplace for rare spirits and fine wine, founded in 2019 by A.J. Heindel, Cody Modeer and Phil Mikhaylo...
Unidesk was a Marlborough, Massachusetts software company backed by Matrix Partners that pioneered application layering for virtual desktop infrastructure, p...
Unifa Inc. (ユニファ株式会社) is a Tokyo-based childcare-technology company founded in May 2013 that develops and operates Lookmee (ルクミー), a comprehensive ICT, IoT a...
Unifi Software was a self-service data platform built around an enterprise data catalog, with AI-based recommendations, data discovery, and data preparation ...
Unified (Unified Enterprise Corp.) is a New York based omnichannel digital advertising company that pairs a purpose-built social advertising insights and inv...
Unified Grocers was a retailer-owned wholesale grocery cooperative that supplied independent supermarkets primarily in the western United States. Founded thr...
Unified is a real-time unified API platform that provides access to over 360 integrations across 22 categories for B2B SaaS and AI-native products. Unlike tr...
UnifiedCRM is a Seedcamp-backed startup (2023 investment) building a unified sales hub for remote and hybrid teams — an AI-assisted CRM delivered as a web ap...
Unifold 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...
Unifonic is a Saudi Arabia-based customer engagement and CPaaS platform, backed by SoftBank Vision Fund, that powers SMS, WhatsApp, voice, push notification,...
Uniform (Uniform Systems, Inc.) is a visual workspace and composable digital experience platform (DXP) that lets marketing and engineering teams compose cont...
Uniform Teeth was a San Francisco clear-aligner orthodontics startup founded by Meghan Jewitt and orthodontist Dr. Kjeld Aamodt, launched in 2018, pairing li...
Unify is a B2B outbound and go-to-market platform that pairs AI agents with reps to find buyers already in market and reach them with the right message, comb...
Unify is an LLM routing and model gateway platform that enables developers to access 100+ large language model providers through a single unified REST API an...
Unify AI Business is a company surfaced as a portfolio company of battery-ventures and added to the API Evangelist network as a stub for enrichment. This pro...
UnifyApps is an enterprise "AI Operating System" founded in 2023 by Ragy Thomas (founder of Sprinklr) and Pavitar Singh: one platform to build and manage age...
UnifyID 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...
UNIGRID Inc. is a San Diego-based sodium-ion battery company founded in 2021 out of UC San Diego Ph.D. research by Dr. Darren H. S. Tan and Dr. Erik A. Wu. I...
Uniko is a Mexican gift registry (mesa de regalos) SaaS platform for weddings, events, and baby showers, letting couples convert gifts into cash deposited di...
Unikrn was an esports betting and entertainment company founded in November 2014 by Rahul Sood and Karl Flores, headquartered in Seattle and backed by invest...
A British-Dutch multinational consumer goods company with a portfolio spanning food, personal care, and household brands. Owns over 400 brands including Dove...
Uninstall.io was a mobile "uninstall intelligence" platform built by Songline Analytics (Bengaluru/Singapore, founded 2015) whose iOS and Android SDKs tracke...
Union Pacific is one of the largest freight railroad networks in the United States, operating across 23 states in the western two-thirds of the country. The ...
Union Square Ventures (USV) is a thesis-driven, early-stage venture capital firm founded in 2003 by Fred Wilson and Brad Burnham and headquartered at 817 Bro...
Union.ai is the commercial AI/ML orchestration platform built on the open-source Flyte project. It exposes the Flyte/Union control plane (the FlyteAdmin serv...
Uniphore is an enterprise AI company — "The Business AI Company" — founded in 2008 and headquartered in Palo Alto, California. Its flagship platform, the Bus...
UniProt is the world's leading high-quality, comprehensive, and freely accessible resource for protein sequence and functional annotation data. Maintained by...
Uniqode 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 awaiti...
UNIsite, Inc. was a wireless communications infrastructure company founded in 1994 that owned and operated roughly 600 wireless towers and 46 managed antenna...
Unison (Unison Home Ownership Investors, headquartered in San Francisco with a second office in Omaha, and formerly FirstREX) is a residential home-equity in...
Unison Computing, PBC is a public benefit corporation building the Unison programming language, Unison Cloud, and Unison Share. Unison is a statically-typed ...
Unisound (云知声) is a Chinese AGI technology company delivering conversational AI across smart living and smart healthcare. Its Token Hub MaaS platform exposes...
Unisson (YC W26) builds AI agents that act as subject-matter experts for B2B software implementation and customer-facing teams. Its Runner agent executes com...
UniSub is a recurring crypto-payments platform that lets merchants accept automated on-chain subscriptions and deposits directly from customer wallets (MetaM...
Uniswap is the world's leading decentralized exchange (DEX) protocol, enabling permissionless token swaps on Ethereum and 25+ EVM-compatible blockchains thro...
Unisys is a global information technology company that provides specialized solutions integrated with leading-edge security. Unisys delivers digital workplac...
Unit is a Banking-as-a-Service (BaaS) platform that lets companies embed deposit accounts, cards, payments, and lending into their own products without becom...
Unit21 is an agentic AI platform for fraud and AML (Anti-Money Laundering) detection and compliance operations. It provides a REST API for ingesting transact...
Unit4 provides cloud ERP software for service-centric organizations including professional services, public sector, education, and non-profits. Their REST AP...
Unitary is a London-based, Creandum-backed AI company that provides multimodal content classification and moderation as an API, analyzing video, image, audio...
Unite Us is the software and data infrastructure company for coordinating whole-person care across healthcare, government, and community-based organizations....
United Airlines is a major American airline headquartered in Chicago, Illinois. It operates one of the largest route networks in the world with hubs in Chica...
United Arab Emirates University (UAEU) is the UAE's national public research university, founded 1976 in Al Ain, Abu Dhabi. Its machine-readable footprint is...
United Capital (United Capital Financial Advisers / United Capital Financial Partners) was a US wealth counseling and financial life management firm founded ...
United Continental Holdings, now known as United Airlines Holdings, Inc., is the parent holding company of United Airlines. It was formed through the merger ...
United Dwelling was a Los Angeles-based real estate development company founded in 2018 by venture capitalist Steven Dietz to address the affordable housing ...
United Natural Foods, Inc. (UNFI) is the largest publicly traded wholesale distributor of health and specialty food in the United States and Canada. UNFI sup...
United Refining Company is an independent, integrated petroleum company headquartered in Warren, Pennsylvania. The company owns and operates a petroleum refi...
United Rentals is the world's largest equipment rental company, headquartered in Stamford, Connecticut. The company provides a broad selection of APIs to hel...
United Solar (United Solar Polysilicon FZC SPC) is a clean-technology company producing ultra-high-purity polysilicon for the photovoltaic industry from one ...
United States Africa Command (AFRICOM) is a unified combatant command of the United States Department of Defense responsible for military operations and coor...
The U.S. Army Corps of Engineers (USACE) provides engineering and construction services for the nation, managing water resources, infrastructure, and environ...
The United States Botanic Garden (USBG) is a living museum in Washington, D.C. that showcases a diverse collection of plants from around the world. Establish...
The United States Capitol Police (USCP) is a federal law enforcement agency responsible for protecting the U.S. Capitol Building, members of Congress, and vi...
The U.S. Census Bureau is the nation's leading provider of quality data about its people and economy. The Census Bureau has been rolling out datasets via API...
The United States Coast Guard is a branch of the military responsible for enforcing maritime laws, protecting the nation's waterways and coastlines, and ensu...
The United States Department of Agriculture (USDA) is a federal agency responsible for developing and executing policies related to farming, agriculture, for...
United States European Command (EUCOM) is one of the eleven unified combatant commands of the U.S. Department of Defense. EUCOM is responsible for U.S. milit...
The United States Fire Administration (USFA) is a government agency under the Federal Emergency Management Agency (FEMA) that is responsible for providing le...
The United States National Library of Medicine (NLM) is the world's largest biomedical library. It serves as a vital resource for researchers, healthcare pro...
The United States Postal Service (USPS) provides a modern REST API platform at developers.usps.com that gives ecommerce websites, shipping software, and logi...
United States Steel Corporation (U.S. Steel) is an integrated steel producer headquartered in Pittsburgh, Pennsylvania, with major production operations in t...
United Technologies Corporation (UTC) was an American multinational conglomerate that merged with Raytheon Company in 2020 to form Raytheon Technologies, lat...
UnitedHealth Group is a diversified health care company with two distinct platforms, UnitedHealthcare for health benefits and Optum for health services, serv...
The largest healthcare company in the world by revenue, operating UnitedHealthcare insurance and Optum health services. Serves over 150 million people throug...
UnitedHealthcare is one of the largest health insurance providers in the United States, offering employer-sponsored health benefits, individual and family pl...
UnitedMasters is an independent music distribution platform founded by Steve Stoute in 2017 and backed by Alphabet, Andreessen Horowitz (a16z), and Apple. Ar...
Unitlab AI is an enterprise multimodal data annotation platform for AI teams, providing a unified workspace to label images, video, audio, text, documents, a...
Unito is a two-way sync and integration platform that keeps work items in sync across 60+ SaaS tools such as Asana, Jira, Trello, GitHub, Azure DevOps, Servi...
unitQ is an AI-powered customer feedback and product quality platform founded in 2018 and backed by Accel and Creandum. It unifies feedback from support tick...
Unitree Robotics is a Hangzhou, China-based high-performance robot manufacturer founded in 2016 by Wang Xingxing. The company is a global pioneer in the comm...
Unitrends, a Kaseya company, provides all-in-one backup and disaster recovery (BCDR) solutions that secure, defend, and recover data across on-prem data cent...
Unity is a cross-platform real-time development platform that provides a comprehensive suite of APIs and services for game development, interactive 3D conten...
Unity is a real-time 3D content creation platform — the Unity engine powers cross-platform games, simulations, XR experiences, and digital twins, while Unity...
Unity Bank Limited (ABN 72 087 650 637, AFSL & Australian Credit Licence 238311, BSB 659 000) is an Australian member-owned mutual bank that consolidated the...
UniUni is a Canadian last-mile delivery carrier serving ecommerce businesses across Canada and the United States, delivering parcels through a crowdsourced d...
Univers (formerly Envision Digital) is a Singapore-headquartered company building "The Platform for Physical AI" — its EnOS platform runs real-time, autonomo...
Universal American was a health insurance holding company that focused on providing Medicare Advantage and Medicare prescription drug benefit plans to senior...
Universal Corporation is a global leaf tobacco merchant and processor that selects, buys, processes, packs, stores, ships, and finances leaf tobacco for sale...
Universal Electronics Inc. (UEI) is a global leader in universal control and sensing technologies for the smart home, known for its QuickSet software platfor...
UFP Industries (formerly Universal Forest Products) is a leading global manufacturer and distributor of wood and wood-alternative products serving retail, in...
Universal Health Services (UHS) is one of the nation's largest hospital management companies, operating acute care hospitals, behavioral health facilities, a...
Universal Hydrogen Co. was a Hawthorne, California hydrogen-aviation startup founded in 2020 by former Airbus CTO Paul Eremenko to decarbonize regional air t...
Universal Music Group N.V. (UMG) is the world's largest music company, headquartered in Hilversum, Netherlands with operational headquarters in Santa Monica,...
Universal Robots is a Danish collaborative-robot (cobot) manufacturer headquartered in Odense, Denmark, founded in 2005 by Esben Østergaard, Kasper Støy, and...
Universe is a no-code website builder that lets anyone design and publish a custom website from a phone, tablet, or computer, using a drag-and-drop GRID bloc...
Universitat Pompeu Fabra (UPF) is a public research university in Barcelona, Catalonia, Spain, founded in 1990 and ranked #266 in the QS World University Ran...
Universiti Kebangsaan Malaysia (UKM), The National University of Malaysia, is a public research university in Bangi, Selangor, established 1970, ROR https://...
Universiti Putra Malaysia (UPM) is a Malaysian public research university in Serdang, Selangor, founded as an agricultural college in 1931 and known as Unive...
Universiti Sains Malaysia (USM) is a public research university founded in 1969 in Penang, Malaysia, holding APEX (Accelerated Programme for Excellence) stat...
Universiti Teknologi Malaysia (UTM) is a public research university in Johor Bahru and Kuala Lumpur, Malaysia, one of the five institutions designated a Rese...
Universiti Teknologi PETRONAS (UTP) is a private research university in Seri Iskandar, Perak, Malaysia, established in 1997 and wholly owned by the national ...
University College Dublin is Ireland's largest university, a public research institution in Belfield, Dublin. It operates no API programme: there is no devel...
The University of Aberdeen is a public research university in Aberdeen, Scotland, founded in 1495 and one of the four ancient universities of Scotland. Its p...
The University of Adelaide is a public research university in Adelaide, South Australia, founded in 1874 and a member of the Group of Eight. Since January 20...
The University of Alberta is a public research university in Edmonton, Alberta, Canada, and a member of the U15 Group of Canadian Research Universities. It o...
The University of Amsterdam (Universiteit van Amsterdam, UvA) is a public research university in Amsterdam, Netherlands, a LERU member and one of the two lar...
The University of Antwerp (Universiteit Antwerpen) is a public research university in Antwerp, Belgium. Unusually for this cohort it is a producer as well as...
University of Arizona is a higher-education institution in United States. This profile is a STUB: it records the institution's identity only. No claim is mad...
Waipapa Taumata Rau | The University of Auckland is New Zealand's largest and highest-ranked university. Unlike most of this cohort it genuinely operates an ...
The University of Barcelona (Universitat de Barcelona, UB) is a public research university founded in 1450 in Barcelona, Catalonia, Spain, ranked #165 in the...
The University of Basel (Universität Basel) is the oldest university in Switzerland, founded in 1460, and a canton-funded public research university. It oper...
The University of Bath is a public research university in Bath, United Kingdom, and a member of the Russell Group. It operates no public developer program: a...
The University of Bern (Universität Bern), founded in 1834, is a comprehensive public research university in the Swiss capital with around 16,000 students ac...
The University of Birmingham is a public research university in Birmingham, United Kingdom, a founding member of the Russell Group and of the Universitas 21 ...
The University of Bologna (Alma Mater Studiorum - Università di Bologna) is the oldest university in the Western world, founded in 1088, and Italy's largest ...
University of Bologna Open Data is a university open-data portal for Italy running CKAN. It exposes the CKAN catalog API over approximately 34 datasets.
The University of Bonn (Rheinische Friedrich-Wilhelms-Universitaet Bonn), founded in 1818, is a public research university in North Rhine-Westphalia, Germany...
The University of Bristol is a public research university in Bristol, United Kingdom, and a member of the Russell Group. Its programmable footprint is small,...
The University of British Columbia is a public research university with campuses in Vancouver and Kelowna, British Columbia, and a member of Canada's U15 res...
The University of Calgary is a public research university in Calgary, Alberta and a member of the U15 group of Canadian research universities. It operates no...
The University of California, Berkeley is a public land-grant research university and the founding campus of the University of California system. Berkeley is...
The University of California, Davis is a public land-grant research university in Davis, California and a member of the ten-campus University of California s...
The University of California, Los Angeles is a public land-grant research university in the University of California system, ranked 29th in the QS World Univ...
University of California, San Diego is a public research university in La Jolla, California, and a campus of the University of California system. Its program...
The University of California, San Francisco (UCSF) is a public health-sciences university and the only UC campus dedicated exclusively to graduate and health...
University of California, Santa Barbara is a public land-grant research university in the University of California system and an Association of American Univ...
The University of Cambridge (founded 1209) is a public collegiate research university and Russell Group member whose programmable footprint is unusually real...
The University of Campinas (Universidade Estadual de Campinas, Unicamp) is a public research university in Campinas, Sao Paulo, Brazil, and one of Latin Amer...
University of Canterbury (Te Whare Wananga o Waitaha) is a public research university in Christchurch, Aotearoa New Zealand. It operates no public developer ...
The University of Cape Town (UCT) is South Africa's oldest and highest-ranked public research university and the top-ranked institution on the African contin...
The University of Chicago is a private research university in Chicago, Illinois, founded in 1890. It operates no central developer portal and publishes no in...
The University of Chile (Universidad de Chile, UChile) is the country's oldest public university, founded in 1842 in Santiago, and Chile's largest research i...
The University of Copenhagen (Københavns Universitet, UCPH), founded in 1479, is Denmark's oldest and largest university and one of the leading research inst...
The University of Edinburgh is a public research university in Scotland, founded in 1582, a member of the Russell Group and ranked #19 in the QS World Univer...
The University of Exeter is a public research university in Devon, United Kingdom, and a member of the Russell Group, with campuses at Streatham and St Luke'...
The University of Florida (UF) is a public land-grant research university in Gainesville, Florida, United States, and a member of the Association of American...
The University of Freiburg (Albert-Ludwigs-Universität Freiburg) is a public research university in Baden-Württemberg, Germany, founded in 1457, a member of ...
The University of Geneva (Université de Genève, UNIGE) is a public research university in Geneva, Switzerland, founded in 1559 and ranked #93 in the QS World...
The University of Glasgow is a public research university in Glasgow, Scotland, founded in 1451 and a member of the Russell Group. Its programmable footprint...
The University of Gothenburg (Göteborgs universitet) is a public research university in Sweden, founded in 1891, with roughly 37,000 students and 6,000 emplo...
The University of Groningen (Rijksuniversiteit Groningen, RUG/UG) is a public research university in Groningen, the Netherlands, founded in 1614. Measured ho...
The University of Göttingen (Georg-August-Universität Göttingen) is a public research university in Lower Saxony, Germany, founded 1737, a German U15 member ...
The University of Helsinki is Finland's oldest and largest multidisciplinary research university, founded in 1640, and it is one of the very few institutions...
The University of Hong Kong (HKU) is a public research university in Hong Kong SAR, founded in 1911 and ranked in the top 30 of the QS World University Ranki...
The University of Illinois Urbana-Champaign (UIUC) is the public land-grant flagship of the University of Illinois System and a founding Big Ten institution....
University of Indonesia (Universitas Indonesia, UI) is a public research university in Depok and Salemba, Jakarta, the highest-ranked university in Indonesia...
The University of Lausanne (UNIL) is a public research university in Lausanne, Switzerland, founded in 1537, with roughly 17,000 students across seven facult...
The University of Leeds is a public research university in Leeds, United Kingdom, a member of the Russell Group, with more than 34,000 students and over 7,00...
The University of Lisbon (Universidade de Lisboa, ULisboa) is Portugal's largest public university — 18 schools plus the National Museum of Natural History a...
The University of Liverpool is a public research university in Liverpool, United Kingdom, a founding member of the Russell Group and of the civic "red brick"...
Universidad de los Andes (Uniandes) is a private research university in Bogota, Colombia, founded in 1948 and ranked #179 in the QS World University Rankings...
The University of Macau (UM), founded in 1981, is the public comprehensive research university of the Macao Special Administrative Region, teaching mainly in...
The University of Manchester is a public research university in Manchester, England, a founding member of the Russell Group and, on the QS World University R...
The University of Maryland, College Park (UMD) is the flagship public research university of the University System of Maryland and the state's original 1862 ...
The University of Melbourne is Australia's leading research university, a Group of Eight member founded in 1853 and ranked in the world top 25. Its programma...
The University of Michigan-Ann Arbor is a public research university (QS World University Rankings 2025 #20-21, United States), a member of the Association o...
The University of Minnesota is a public land-grant research university whose flagship campus is in the Twin Cities. Its programmable footprint is small, real...
The University of Navarra (Universidad de Navarra) is a private research university founded in 1952, headquartered in Pamplona, Spain, with campuses in San S...
The University of New South Wales (UNSW Sydney) is a public research university in Sydney, Australia, and a member of the Group of Eight. Like almost every i...
The University of Newcastle (UON) is a public research university in Callaghan and Newcastle, New South Wales, ranked #179 in the QS World University Ranking...
The University of North Carolina at Chapel Hill is a public research university in Chapel Hill, North Carolina, a member of the Association of American Unive...
The University of Nottingham is a public research university in Nottingham, United Kingdom — a founding Russell Group member with campuses in the UK, Malaysi...
The University of Otago — Te Whare Wānanga o Ōtākou — is New Zealand's oldest university, founded in 1869 in Dunedin and registered as https://ror.org/01jmxt...
The University of Ottawa (uOttawa / Universite d'Ottawa) is a public bilingual research university in Ottawa, Ontario, Canada, and the largest English-French...
The University of Oxford is a collegiate public research university in Oxford, United Kingdom, and a Russell Group member. It operates no central developer p...
The University of Padua (Università degli Studi di Padova) is a public research university in Padua, Italy, founded in 1222. It operates no central developer...
The University of Pennsylvania (Penn) is a private Ivy League research university in Philadelphia. Penn operates no central developer portal and publishes no...
The University of Pittsburgh is a public research university in Pittsburgh, Pennsylvania, ranked #271 in the QS World University Rankings 2025. It operates n...
The University of Queensland (UQ) is a public research university in Brisbane, Australia, a member of the Group of Eight and of Universitas 21. Like nearly e...
The University of Reading is a public research university in Reading, England, founded in 1926 and ranked #172 in the QS World University Rankings 2025. Its ...
The University of Rochester is a private research university in Rochester, New York, and an AAU member, ranked #236 in the QS World University Rankings 2025....
The University of Science and Technology of China (USTC, 中国科学技术大学) is a public research university in Hefei, Anhui, founded in 1958 under the Chinese Academy...
The University of Sheffield is a public research university in Sheffield, United Kingdom, and a member of the Russell Group. Its programmable footprint is sm...
The University of Southampton is a public research university in Southampton, United Kingdom, a founding member of the Russell Group and one of the few insti...
The University of Southern California is a private research university in Los Angeles, ranked #59 in the QS World University Rankings 2025. USC operates no c...
The University of St Andrews is Scotland's first university, chartered in 1413 with teaching from 1410, and a public research institution in Fife with ROR id...
The University of Sussex is a research-intensive public university at Falmer near Brighton in the United Kingdom, a member of the Russell Group's peer set of...
The University of Sydney is Australia's first university, founded in 1850, a Group of Eight member and ranked in the QS world top 40. Its programmable footpr...
University of Technology Sydney is a higher-education institution in Australia. This profile is a STUB: it records the institution's identity only. No claim ...
The University of Texas at Austin is a flagship public research university in Austin, Texas, United States, and the largest institution in the University of ...
The University of the Witwatersrand (Wits) is a public research university in Johannesburg, South Africa (ROR 03rp50x72). Wits operates no central developer ...
The University of Tokyo (東京大学, UTokyo) is Japan's oldest and largest national research university, founded in 1877, and ranks 28th in the QS World University...
The University of Toronto is Canada's largest public research university, operating three campuses (St. George, Mississauga, Scarborough) and ranked in the Q...
The University of Twente (Universiteit Twente, UT), founded in 1961 in Enschede, Netherlands, is a public technical research university. Its programmable foo...
The University of Tübingen (Eberhard Karls Universität Tübingen), founded in 1477, is one of Germany's oldest public research universities and a member of th...
The University of Vienna (Universitat Wien), founded 1365, is Austria's largest university and a member of LERU. Its programmable footprint is unusual for a ...
The University of Waikato (Te Whare Wananga o Waikato) is a public research university in Hamilton and Tauranga, Aotearoa New Zealand, founded in 1964. It ru...
The University of Warsaw (Uniwersytet Warszawski) is Poland's largest and highest-ranked university and a member of the 4EU+ European University Alliance. Un...
The University of Warwick is a public research university in Coventry, England, and a member of the Russell Group. Unusually for this cohort, Warwick genuine...
The University of Washington (UW) is a public research university in Seattle, Washington, United States, and one of the few higher-education institutions in ...
The University of Waterloo is a public research university in Waterloo, Ontario, Canada, known for cooperative education and for strength in mathematics, eng...
The University of Western Australia (UWA) is a public research university in Perth, Western Australia, a member of the Group of Eight, and ranked in the top ...
The University of Wisconsin-Madison is a public land-grant research university in Madison, Wisconsin, and one of the very few institutions in this cohort tha...
The University of Wollongong (UOW) is a public research university in Wollongong, New South Wales, Australia, established in 1951 (ROR 00jtmb277, GRID grid.1...
The University of York is a public research university in York, United Kingdom, and a member of the Russell Group. It operates no central developer portal, n...
The University of Zurich (UZH) is Switzerland's largest university, founded in 1833, with roughly 28,000 students across seven faculties. UZH operates no cen...
University Startups is an AI-powered transition planning management platform built for special education teams. The platform helps teachers create IDEA-compl...
Universität Hamburg is a public research university in Hamburg, Germany, and one of the largest in the country. It operates no central developer portal, publ...
Université de Montréal (UdeM) is Québec's largest French-language public research university and, with its two affiliated schools, the second-largest researc...
Université libre de Bruxelles (ULB) is a French-speaking research university in Brussels, Belgium, founded in 1834 and funded through the Fédération Wallonie...
Core UNIX/POSIX system calls providing low-level operating system interfaces for process management, file operations, interprocess communication, and system ...
Unkey is the developer platform for modern APIs, providing globally distributed API key management, rate limiting, identity management, analytics, and deploy...
Unlearn is a San Francisco AI company that builds digital twin generators for clinical trials — machine learning models trained on patient-level historical d...
Unlearn.AI provides an AI-powered platform that streamlines clinical trial development using digital twins of patients and advanced data analytics. Its Trial...
Unleash is the open-source feature management platform enabling progressive delivery, A/B testing, and canary releases through feature flags (feature toggles...
Unleashed Games is an independent game studio founded by industry veterans (World of Warcraft, Medal of Honor, Monopoly Go!) and backed by a16z Speedrun, bui...
Unlock Technologies, Inc. is a Tempe, Arizona fintech founded in 2020 by Jim Riccitelli, Dan Foster and Ryan Craft, with a branch office in Troy, Michigan. I...
Unlock Protocol is an open-source, community-governed protocol for onchain memberships and subscriptions. Creators deploy "locks" (membership smart contracts...
Unlonely was a crypto/web3 livestreaming platform founded by Grace and Brian Guan and backed by Multicoin Capital — livestreams on Base with token-gated chat...
Unmade is a London fashion-tech company whose UnmadeOS platform lets apparel and sportswear brands such as New Balance and Rapha sell customised, on-demand p...
Unmannd (Unmannd Autonomy Pvt Ltd) is an India-based defense technology company backed by Accel and Speciale Invest, engineering autonomous drones under the ...
Unmind is a workplace mental health platform that supports employees, develops leaders, and strengthens organisational performance through therapy, coaching,...
Unnatural Products (UNP) is a Santa Cruz, California biotechnology company founded in 2017 by UC Santa Cruz alumni Cameron Pye and Joshua Schwochert. The com...
Uno Health is a New York-based healthcare technology company that helps Medicare members enroll in the government assistance programs they are eligible for —...
Uno Wallet 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 l...
Unobravo is Europe's largest online psychology service, founded in 2019 by psychologist Danila De Stefano. It matches people with one of 9,500+ individually ...
UniversityNow, Inc. (uNow) was a San Francisco-based higher-education startup founded in 2011 and backed by 500 Startups (500 Global) that built competency-b...
The Unpaywall REST API gives anyone free, programmatic access to the Unpaywall database of open access scholarly articles. The database covers over 120 milli...
Unqork is an enterprise application development platform — a no-code / "codeless" platform-as-a-service used by banks, insurers, healthcare organizations and...
Unravel is an AI-powered data observability and FinOps platform that helps data teams optimize performance, control costs, and troubleshoot data pipelines ac...
Unravel Data is an AI-powered data observability and FinOps platform for modern data stacks - Databricks, Snowflake, Google BigQuery, and Cloudera. Its Arvix...
Unravel Data Systems is an AI-powered data observability and FinOps platform that helps data teams optimize performance, cost, and reliability across modern ...
Unreal Engine is Epic Games' real-time 3D engine for games, film, broadcast, architecture, simulation, automotive, and live events. The engine is shipped as ...
Unreal Estate (formerly USRealty.com) is a tech-enabled flat-fee real estate marketplace and brokerage that lets home sellers list on their local MLS without...
Unreal Speech is a low-cost, high-scale text-to-speech (TTS) API for turning text into natural-sounding speech. It exposes a small REST surface - a low-laten...
Unrivaled is a U.S. professional women's 3x3 basketball league co-founded by Napheesa Collier and Breanna Stewart, playing a condensed winter season with six...
Unrivaled Sports is a youth sports platform and experience operator founded in March 2024 by Josh Harris and David Blitzer (Harris Blitzer Sports & Entertain...
Unruly Studios makes Unruly Splats, programmable stompable floor buttons that teach children to code through active, physical STEM play. Students use a table...
Unshackled Ventures is an inception-stage venture capital firm that writes the first check for founders before they have products, traction, or revenue, with...
Unsloth is an open-source framework for fine-tuning, reinforcement learning, and running large language models locally. Its Python library trains 500+ models...
Unsplash is a platform providing the world's largest collection of high-quality, freely usable photographs. The Unsplash API gives developers programmatic ac...
Unspun is a fashion-technology company building Vega, the world's first 3D weaving machines, which transform yarn directly into finished woven garments in ab...
Unstoppable Finance is the Berlin fintech behind Iron (iron.xyz), the Stablecoin Payment Network - fiat-to-stablecoin and stablecoin-to-fiat infrastructure f...
Unstructured is a document parsing and pre-processing platform that provides a REST API for ingesting PDFs, HTML, DOCX, images, and more than 50 other file f...
Until (Until Labs) is a biotechnology company building the medical infrastructure to pause biological time. It is developing reversible cryopreservation syst...
Until Labs (branded "until") is a San Francisco deep-tech biotechnology company developing reversible cryopreservation technology for human donor organs. Its...
Unto Labs is the team behind Thru, a high-performance Layer 1 blockchain for ultra-low-latency, ultra-high-throughput applications, built around ThruVM — a n...
UNTUCKit is a US apparel brand and omnichannel retailer best known for shirts designed to be worn untucked, selling menswear and womenswear through untuckit....
Unum Group is a leading provider of financial protection benefits including disability insurance, life insurance, dental insurance, vision insurance, and cri...
Unweave is a London-based developer platform that describes itself as "Supabase for Machine Learning" — open source machine learning development environments...
Unwind Me was a San Francisco on-demand massage startup ("Massage Made Simple — straight to your door, when you want, at an affordable price") that let custo...
Unwrap is an AI-powered customer intelligence platform, founded by ex-Amazon Alexa product leaders, that aggregates customer feedback from every channel (sup...
Up is an Australian digital-only neobank founded in 2018 as a collaboration between Melbourne software company Ferocia and Bendigo and Adelaide Bank. Up is n...
Up&Up (legal name Homevest Inc.) is a New York-based rental housing platform that lets renters build wealth while they rent. Instead of a traditional securit...
UP42 is a geospatial marketplace and developer platform for Earth observation (EO) data and analytics, operated by Airbus Defence and Space. It lets you sear...
Upbit is a leading South Korean cryptocurrency exchange operated by Dunamu Inc., offering REST and WebSocket APIs for market data retrieval, order management...
Upbound is a universal cloud platform built on Crossplane, providing managed control planes and a marketplace for cloud infrastructure APIs. The Upbound API ...
Upciti is a French smart-city company that equips cities with intelligent computer-vision sensors and the Upciti OS platform, turning streets into clear, ano...
UpCode Academy was a Singapore-based coding school offering short bootcamps and part-time courses (SQL, Python, Web Development with Ruby on Rails, Data Scie...
UpCodes is a comprehensive compliance and product research platform for the construction industry, offering a searchable database of US construction and buil...
Updox is a healthcare communication and patient engagement platform for in-person and virtual care, offering a single inbox for secure/direct messaging, elec...
UpEquity is an Austin, Texas based, veteran-owned proptech mortgage lender and title company founded in 2019 that operates a "Buy Before You Sell" / Trade Up...
upGrad is an online higher-education and workforce-upskilling platform headquartered in Mumbai, India, founded in 2015 by Ronnie Screwvala, Mayank Kumar and ...
Upgrade is a San Francisco-based consumer fintech offering personal loans, the Upgrade Card, Rewards Checking, savings accounts, and Flex Pay — the buy now, ...
UpGuard is a cybersecurity platform that helps organizations manage and reduce their cyber risk. Its products cover third-party vendor risk management (Vendo...
Uphold is a multi-asset digital money platform and regulated crypto exchange that lets consumers and businesses hold, trade, send and spend more than 300 cry...
UpKeep is an asset operations management and CMMS (Computerized Maintenance Management System) platform for maintenance teams and facility managers. The UpKe...
UpKeep Technologies, Inc. is the legal entity behind UpKeep, the mobile-first asset operations management and CMMS (Computerized Maintenance Management Syste...
Upkid is a childcare staffing marketplace that connects early childhood programs such as daycares and preschools with qualified, pre-vetted substitute and fu...
Upland (Uplandme, Inc.) is a San Francisco-based Web3 metaverse company that maps virtual property onto real-world addresses, letting players buy, sell, trad...
UpLead is a B2B contact and company data platform providing a REST API for searching leads, verifying emails, accessing company profiles, and enriching conta...
Uplevel is an engineering intelligence platform for enterprises — an operating system for engineering transformation that helps leaders see team performance ...
Uplight is a Boulder, Colorado energy technology company formed in 2019 from the merger of Tendril and Simple Energy and expanded through the acquisitions of...
Uplimit (formerly CoRise, operated by Veda Education, Inc.) is an AI-native corporate learning platform backed by Greylock and Cowboy Ventures. It generates ...
Uplisting is short-term and vacation rental management software and a channel manager for professional hosts and property managers. It syncs listings, bookin...
Upload-Post is a universal social media publishing API that lets developers publish videos, photos, and text posts to TikTok, Instagram, YouTube, LinkedIn, F...
Uploadcare is a file uploading and processing platform that provides REST APIs for file management, CDN delivery, image transformations, document conversion,...
A world-renowned health care provider and insurer headquartered in Pittsburgh, Pennsylvania. One of the largest nonprofit health systems in the United States...
UPMEM is a French fabless semiconductor company pioneering Processing-In-Memory (PIM). Its Data Processing Units (DPUs) are embedded directly in DRAM on stan...
Upollo is a startup founded by Cayden Meyer and backed by Index Ventures that helped subscription businesses find and convert repeat trialers, account sharer...
Uppercase is an Accel-backed, design-first and environmentally sensitive Indian travel-gear brand selling backpacks, trolley bags, duffles, messenger and sli...
Uppsala University (Uppsala universitet) is Sweden's oldest university, founded in 1477, and a public research university ranked #103 in the QS World Univers...
UPS, or United Parcel Service, is a Fortune 500 global logistics company that specializes in package delivery and supply chain management services. UPS provi...
Upscale AI is a pure-play AI networking infrastructure company headquartered in Santa Clara, California, founded by industry veterans from Palo Alto Networks...
Upshift is a San Francisco fractional car subscription service — "a 2-car garage, in your pocket." Members choose 4, 8, or 12 driving days a month and get a ...
Upside is a two-sided commerce platform that connects brick-and-mortar retailers with consumers through personalized cash-back offers on everyday purchases l...
UPSIDE Foods is a cultivated meat company that grows real chicken directly from animal cells instead of raising and slaughtering animals. Starting from a mas...
Upside (Upside Services, Inc.) is a retail technology company whose platform delivers personalized cash-back offers on gas, groceries, and dining to more tha...
Upside (joinupside.com, originally UpsideHoM) is a housing-stability company for health plans and employers. It finds, houses, and stabilizes members whose h...
Upsie is a direct-to-consumer warranty company offering affordable, transparent extended-warranty and protection plans for smartphones, laptops, TVs, applian...
Upsight was a mobile analytics and marketing platform for apps and games — positioning itself as a "user lifecycle management platform" combining omnichannel...
UpSlide is a French B Corp-certified software company whose Microsoft 365 add-in automates document production for financial services firms — investment bank...
UpSmith is a Dallas, Texas-based company backed by a16z that builds AI agents for home services and skilled trades businesses (HVAC, plumbing, electrical). I...
Upsolver is a cloud data ingestion and lakehouse pipeline company whose SQLake platform lets teams build and deploy high-scale streaming data pipelines using...
Upstart is an AI lending marketplace (NASDAQ: UPST) that connects consumers with banks and credit unions, using AI-driven underwriting models to price credit...
Upstash provides serverless data platforms including managed Redis, Kafka, QStash messaging, and Vector databases optimized for serverless and edge applicati...
Upstox is a SEBI-registered Indian retail brokerage operated by Upstox Securities Private Limited, a wholly owned subsidiary of RKSV Securities India Private...
Upstream is a no-code, full-stack platform for launching and operating DAOs (decentralized autonomous organizations), letting communities create a DAO with a...
Upstream Bio is a clinical-stage biotechnology company headquartered at 460 Totten Pond Road in Waltham, Massachusetts, founded in 2021 and listed on Nasdaq ...
Upstream Security is a cloud-based automotive and smart-mobility cybersecurity company. Its purpose-built vehicle data platform delivers Cyber XDR detection ...
Upsun is the cloud application platform from Platform.sh that automatically builds, deploys, and scales applications with git-driven workflows, preview envir...
Upswing Financial Technologies is an Indian open finance-as-a-service platform headquartered in Bengaluru and Mumbai. Its full-stack API platform lets consum...
Uptake Technologies is a Chicago-based industrial AI and predictive-maintenance software company founded in 2014 by Eric Lefkofsky and Brad Keywell. Its SaaS...
Upteam is a 500 Global portfolio company whose public web presence now points at Luxclusif: upteamco.com returns an HTTP 302 redirect to luxclusif.com, the B...
Upthere was a consumer cloud-storage company backed by GV and founded by former Apple software engineering chief Bertrand Serlet. Its Upthere Home app was de...
Uptime (Uptime SAS, Paris, SIREN 822006839) was a French elevator predictive-maintenance company founded in 2016 by Augustin and Amaury Celier. It fitted 4G-...
Uptime.com is a website, application, and infrastructure monitoring platform providing uptime checks, transaction and API monitoring, page speed checks, SLA ...
UptimeHealth is a healthcare operations platform for managing medical equipment service, compliance documentation, and facility maintenance across dental, me...
Uptrace is an open source APM and distributed tracing platform powered by OpenTelemetry for monitoring application traces, metrics, and logs. The Uptrace API...
UpTrain is an open-source (Apache-2.0) unified platform to evaluate and improve generative AI and LLM applications. It ships a Python framework plus a manage...
Uptycs is a unified cloud-native application protection platform (CNAPP) and extended detection and response (XDR) company. Built on osquery — which its foun...
Upverter is a browser-based, collaborative electronic design automation (EDA) platform for schematic capture and PCB layout, founded in Toronto in 2010 (Y Co...
Upvest is a Berlin-based API-first investment infrastructure provider that enables banks, brokers, and wealth managers to build and launch investment experie...
Upwage is an AI interview platform that helps employers hire faster and more fairly with lower turnover. Its emotionally intelligent AI interviewer conducts ...
Upward Financial (Upwardli) is a Techstars-backed embedded-finance platform that lets banks, fintechs, and gig platforms launch credit products for their cus...
Upwave (formerly Survata) is the Brand Outcomes Measurement Platform — it brings science to top-of-funnel advertising by measuring Brand Lift, validating Bra...
Upway is the largest marketplace for certified pre-owned electric bikes, founded in 2021 by former Uber executives Toussaint Wattinne and Stephane Ficaja. It...
Upwind is a cloud and AI security platform (CNAPP) that secures cloud infrastructure, workloads, and applications in real time — spanning cloud security post...
Upwind is a cloud security (CNAPP) platform that pairs cloud security posture with eBPF-based runtime protection across AWS, Azure, Google Cloud, and Oracle ...
Upwing Energy is an energy technology company founded in 2016 and headquartered in Cerritos, California, with service operations near Houston, Texas, operati...
Upwork is a global freelancing platform that connects businesses with independent professionals through a talent marketplace. The Upwork API enables develope...
Urban Engines was a Silicon Valley urban-mobility analytics startup founded by Shiva Shivakumar and Balaji Prabhakar that built a Space/Time Engine for analy...
Urban Jungle Services Ltd is a London-based direct-to-consumer insurtech, founded in 2016 by Jimmy Williams and Greg Smyth to sell home insurance to "Generat...
Urban Machine is a GV-backed robotics company building AI and computer-vision powered machines that remove metal fasteners (nails, staples, and screws) from ...
Urban Outfitters is a multi-channel lifestyle retailer offering an eclectic mix of women's, men's, and kids apparel, footwear, accessories, beauty, and home ...
Urban Remedy is a certified B Corp organic food company founded by Neka Pasquale on the belief that food is healing. It makes fresh, organic, plant-based, re...
Urban Revivo is a fast-fashion retailer founded in 2006 in Guangzhou, selling runway-inspired womenswear, menswear, and accessories through stores across Asi...
Urban SDK is a geospatial AI and data analytics company serving the public sector, delivering hourly road-speed and traffic data, analytics, and AI tools tha...
Urban Sky is a Denver-based aerospace company, founded in 2016, that designs and operates reusable stratospheric microballoons for high-altitude remote sensi...
Urban Sports Club is a Berlin-based sports and wellness membership platform. One flexible subscription gives members access to more than 50 sports and wellne...
Urban Company (formerly UrbanClap) is an on-demand home services marketplace that connects customers with trained, hand-picked service professionals for beau...
UrbanFootprint is a resilient decision intelligence platform that delivers urban, climate, and community-resilience data and analytics, helping governments, ...
UrbanFox is an AI-powered online payment fraud detection and prevention platform that uses generative AI and behavioral intelligence - rather than static rul...
UrbanHire was an Indonesian all-in-one hiring and assessment platform (applicant tracking system) backed by 500 Global, designed to streamline recruitment an...
Urbanic is an online fast-fashion retailer selling women's apparel and accessories through app-first, localized storefronts, including in.urbanic.com for Ind...
UrbanLogiq (CommunityLogiq Software, Inc.) is a community intelligence platform that helps government leaders make faster, data-driven decisions by unifying ...
UrbanMetry is a Malaysia-based big data analytics firm specialising in geospatial and urban intelligence for the property and real estate sector. It supports...
UrbanPiper is a restaurant commerce platform whose POS-integration API connects a restaurant's POS/ERP to online ordering aggregators (Swiggy, Zomato, UberEa...
UrbanSitter is an online marketplace that connects families with trusted local caregivers, including babysitters, nannies, child care providers, daycares and...
UrbanStems is a direct-to-consumer flower and gifting company founded on Valentine's Day 2014 in Washington, DC, selling modern bouquets, plants, gifts and c...
Urbia is a German online community and content platform for parents and families, covering fertility, pregnancy, birth, babies, and family life through exper...
Urbint builds AI-powered operational resilience software for gas, electric and telecom utilities, predicting and preventing incidents before they happen acro...
Urbit is an open-source personal server platform combining Urbit ID — a self-sovereign, Ethereum-anchored identity system (Azimuth) — with Urbit OS, a determ...
Ureeka was a community and mentorship platform for small businesses, surfaced as a Bullpen Capital portfolio company. The company no longer operates a standa...
Urjanet (now part of Arcadia) is a utility-data aggregation platform that programmatically collects utility bill, statement, meter, and interval usage data f...
Urlbox is a website screenshot and rendering API that captures pixel-perfect screenshots, PDFs, and video (MP4/WebM) of any web page or raw HTML. Renders are...
uRoam, Inc. (1999-2003) was a Canaan Partners-backed security company that built FirePass, a clientless SSL-VPN appliance for "radically simplified remote ac...
Ursa Computing was a startup founded in 2020 by Wes McKinney (creator of pandas, co-creator of Apache Arrow) to accelerate Apache Arrow and open source data ...
Ursa Major Technologies Inc. is an American aerospace and defense propulsion manufacturer founded in 2015 by Joe Laurienti, a former SpaceX and Blue Origin p...
Ursa Space Systems is an Ithaca, New York-based geospatial intelligence company that turns commercial satellite data — primarily Synthetic Aperture Radar (SA...
Ursula is a Brazil-based AI startup building AI-native characters. Founded by an Emmy-winning team with experience at Pixar, Unity, Blizzard, and Google, it ...
Urtopia designs and sells smart carbon-fiber electric bikes, pairing lightweight frames and premium components with a connected riding experience through the...
Uruguay Open Data Catalogue is a national government open-data portal for Uruguay running CKAN. It exposes the CKAN catalog API over approximately 2,515 data...
URX was a San Francisco mobile deep-linking and app-search startup that connected mobile users to relevant in-app commerce experiences. Backed by roughly $15...
The US AbilityOne Commission is an independent federal agency that administers the AbilityOne Program, which creates employment opportunities for individuals...
The US African Development Foundation (USADF) is an independent federal agency established by Congress in 1980 to invest directly in African grassroots enter...
The United States Air Force is responsible for providing air and space power to protect the United States and its interests. As part of the Department of the...
The US Arctic Research Commission is an independent agency that provides recommendations and advice to the President and Congress on Arctic research and poli...
The US Army is the largest branch of the United States military and is responsible for conducting ground combat operations. Its mission is to defend the nati...
The US Army Corps of Engineers is a federal agency that plays a critical role in managing the nation's water resources and infrastructure. They are responsib...
U.S. Bancorp is the parent company of U.S. Bank National Association, one of the largest commercial banks in the United States. U.S. Bank provides a develope...
The US Bureau of Labor Statistics (BLS) is the principal federal agency responsible for measuring labor market activity, working conditions, price changes, a...
The US Capitol Visitor Center (CVC) serves as the main entrance for visitors to the United States Capitol, providing resources and information to enhance the...
The U.S. Census Bureau is the federal statistical agency responsible for producing data about the American people and economy. Established in 1902 and part o...
US Central Command (CENTCOM) is a unified combatant command of the United States Department of Defense responsible for overseeing American military operation...
The US Chemical Safety and Hazard Investigation Board (CSB) is an independent federal agency responsible for investigating chemical accidents and hazards acr...
The US Citizenship and Immigration Services (USCIS) is a government agency responsible for overseeing lawful immigration to the United States. Its primary fu...
The US Commission on Civil Rights is an independent, bipartisan federal agency that investigates, reports on, and issues public service announcements about d...
The US Commission on International Religious Freedom (USCIRF) is an independent, bipartisan federal government commission created by the International Religi...
The US Copyright Office is a government agency responsible for administering and enforcing copyright laws in the United States. The office is responsible for...
The US Court of Appeals for the Federal Circuit is a federal appellate court with nationwide jurisdiction over cases involving patent law, international trad...
US Cyber Command (USCYBERCOM) is a Unified Combatant Command of the United States Armed Forces responsible for directing, synchronizing, and coordinating cyb...
The US Department of Commerce is responsible for promoting economic growth and job creation in the United States. It oversees various programs and initiative...
The US Department of Defense is responsible for providing the military forces needed to deter war and protect the security of the United States. This include...
The U.S. Department of Transportation (DOT) oversees federal transportation policy and operates multiple agencies that publish public REST APIs covering truc...
US Foods is one of the largest foodservice distributors in the United States, serving restaurants, healthcare facilities, hospitality businesses, government ...
The US Geological Survey is a scientific agency of the United States government that conducts research on the natural resources, natural hazards, and environ...
US Health Partners (USHP) is a physician-led national cardiovascular care network headquartered in Rockville, Maryland. USHP partners with independent cardio...
The United States House of Representatives is one of the two chambers of the United States Congress, with the other being the Senate. Its main function is to...
The US Patent and Trademark Office (USPTO) is responsible for granting patents and registering trademarks to protect intellectual property in the United Stat...
The United States Senate is one of the two chambers of Congress, responsible for representing the interests of the individual states and ensuring that federa...
US Small Business Administration Open Data is a federal government open-data portal for United States running CKAN. It exposes the CKAN catalog API, a standa...
US Space Command (USSPACECOM) is a unified combatant command in the United States Department of Defense responsible for conducting operations in, from, and t...
Us2.ai is a Singapore-founded medical AI company (founded 2017 as eko.ai by James Hare, Dr. Carolyn Lam, and Dr. Yoran Hummel) whose FDA-cleared, CE-marked s...
USA Rare Earth, Inc. (Nasdaq: USAR) is an American critical-minerals and advanced-materials company building a domestic mine-to-magnet rare earth supply chai...
A major American daily national newspaper and digital news platform owned by Gannett. One of the most widely circulated newspapers in the United States cover...
USAA (United Services Automobile Association) is a Fortune 100 financial services group offering banking, investing, and insurance products exclusively to pe...
USADATA is a data and marketing intelligence company founded in 1998 and headquartered in New York City, backed by Insight Partners. It maintains a database ...
The U.S. Agency for International Development (USAID) provides programmatic access to foreign assistance data, development finance records, project tracking,...
USAspending.gov is the official open data source of federal spending information operated by the U.S. Department of the Treasury's Bureau of the Fiscal Servi...
uScoop appears in the 500 Global portfolio mapped to the website tnuck.com. The original uScoop was a 2010 college-student daily-deals startup (theuscoop.com...
The US Department of Agriculture provides a suite of free public REST APIs covering agricultural statistics, food and nutrition data, market news, food safet...
The USDA Agricultural Research Service (ARS) is the principal in-house research agency of the US Department of Agriculture. ARS conducts research to develop ...
The USDA Food and Nutrition Administration (FNA) - renamed from the Food and Nutrition Service (FNS) on June 1, 2026 - publishes an open, public geospatial A...
A curated collection of practical API use cases across industries and technical domains. Use cases describe specific scenarios where APIs solve real-world pr...
useapi.net is an experimental, unified REST API platform that fronts a set of consumer AI content-generation services — video, image, music, speech and face-...
Useful Sensors, now operating as Moonshine AI, builds fast, low-resource, private-by-design AI that runs entirely on-device. Founded by former Google TensorF...
A curated collection of API user stories following agile methodology formats. User stories capture software requirements from the end-user perspective using ...
User1st is a web and mobile digital accessibility company whose U1 Suite gives organizations an efficient path to WCAG, ADA, and European Accessibility Act (...
Userback is a customer feedback platform that captures visual feedback, screenshots, screen recordings, and bug reports directly from in-product widgets inst...
Usercentrics is a Munich-based consent management platform (CMP) and privacy compliance provider. Founded in 2017 and led by CEO Donna Dror, Usercentrics acq...
Userflow is a product onboarding and adoption platform that enables product teams to build in-app guided flows, checklists, announcements, and NPS surveys wi...
UserGems is a San Francisco-based sales intelligence platform that tracks champion job changes and surfaces buying signals so sales and marketing teams can p...
Userlens is an AI-native customer success platform for B2B SaaS that deploys LLM-powered agents to monitor every customer account, predict churn from actual ...
Usermind was a Seattle-based journey and experience orchestration platform that captured and analyzed contextual data at every touchpoint of the customer jou...
Usersnap is a user feedback platform from Perg/Linz, Austria that lets product, development, customer success, and marketing teams capture, organize, and act...
UserTesting is a human insight platform for experience research: teams recruit vetted participants, run usability tests, surveys, live conversations, and int...
UserVoice is a product feedback and ideation platform with a REST API for managing ideas, gathering votes, tracking status updates, and syncing user feedback...
USG Corporation is a leading manufacturer of building products and innovative solutions for the construction industry. USG produces Sheetrock brand drywall, ...
The U.S. Geological Survey (USGS) National Water Information System (NWIS) exposes a suite of REST APIs providing access to real-time and historical water da...
uShip is an online shipping marketplace, founded in 2004 and headquartered in Austin, Texas, that connects individuals and businesses with a network of profe...
Ushur is an agentic AI platform for customer experience automation (CXA) in regulated industries, including healthcare, insurance, and financial services. En...
USPL (Universal Sportsbiz Pvt. Ltd.) is an Accel-backed Indian celebrity-fashion company whose flagship brand Wrogn — founded in 2014 by Anjana and Vikram Re...
The United States Postal Service (USPS) provides a modern suite of RESTful APIs for address validation, domestic and international pricing, shipping label cr...
The United States Patent and Trademark Office (USPTO) is the federal agency responsible for granting U.S. patents and registering trademarks. USPTO provides ...
Instant trademark search and brand protection via the USPTO Trademark Search API. Check if a trademark keyword is available, search active trademarks, look u...
Uteach is an all-in-one online teaching platform and LMS that lets educators, coaches, and businesses create a branded website and sell online courses, coach...
Uthana builds foundation models for human motion — generative AI that creates lifelike 3D character animation from text prompts, 2D reference video, or real-...
Utila is an institutional digital asset wallet and stablecoin infrastructure platform for fintechs and enterprises. Built on MPC (multi-party computation) ke...
Utilidata is an Ann Arbor, Michigan software company building Karman, a distributed AI platform that runs on a custom NVIDIA system-on-module embedded direct...
Utilita Energy is a United Kingdom household electricity and gas supplier founded in 2003 and headquartered in Eastleigh, Hampshire, specialising in smart Pa...
Utility Global is a Houston, Texas industrial decarbonization company founded in 2018. Its proprietary H2Gen and eXERO platform converts water into high-puri...
UtilityAPI collects, standardizes, and shares utility data seamlessly and securely, providing a platform for accessing energy and utility billing data, meter...
Utopia was an online platform for designing, coding, and shipping React applications, pairing a visual design tool with a code editor over one source of trut...
Utopia Labs was a stablecoin payments and finance-operations platform for crypto-native teams and DAOs, covering payments, payroll, invoicing, and approval w...
Utopia Technology Partners, Inc. was a help desk software and IT support services company based in Larkspur, California, backed by Battery Ventures (listed a...
Utrecht University (Universiteit Utrecht) is a public research university in Utrecht, Netherlands, founded in 1636 and a member of the League of European Res...
UTURN Entertainment is a Saudi Arabian digital media and entertainment company founded in 2010 that has grown into the largest Arabic Multi-Channel Network (...
UUNET Technologies was one of the first commercial Internet service providers, founded in 1987 by Rick Adams in Virginia to commercialize Usenet and email, l...
UVeye builds AI-powered automated vehicle inspection systems — "the MRI for cars" — that drive a vehicle through a scanning lane and produce a full condition...
UXMagic (UX Magic AI) is an AI UI/UX design platform that turns text prompts, screenshots, hand-drawn sketches, website URLs, and existing Figma files into p...
UXCam is a mobile-first product analytics and session replay platform that helps product, UX, and engineering teams understand how people actually use their ...
UXD Protocol is a decentralized stablecoin protocol built on Solana, operated by Soteria FZCO, whose UXD token is backed 100% by an Asset Liability Managemen...
Uxin (优信) is a Chinese used-car e-commerce company backed by DCM Ventures. It operates the xin.com consumer used-car retail marketplace and the Youxinpai (优信...
UXPin is an AI-powered, code-based design and prototyping platform where designers work with real production React components instead of vector approximation...
Uzum is an Uzbekistan-based digital ecosystem headquartered in Tashkent that bundles e-commerce, fintech and digital banking into a single group: Uzum Market...