API Estates

Amazon

Amazon is a global technology and e-commerce company offering a wide range of consumer and developer APIs including the Selling...

Includes Amazon Web Services

Microsoft

Collection of Microsoft's primary APIs and developer resources.

Includes Microsoft Azure, Microsoft 365, GitHub, LinkedIn, Microsoft Xbox, Microsoft Power Platform APIs

Google Workspace

A collection of productivity and collaboration tools from Google including Gmail, Drive, Calendar, Meet, and more.

Includes Google

Cisco

Cisco provides a comprehensive suite of APIs across its networking, security, collaboration, and cloud infrastructure platforms...

Includes Splunk, Webex

Oracle

Collection of Oracle's APIs and developer resources across cloud infrastructure, databases, AI services, SaaS applications, and...

Includes Agile Software, Oracle Cloud Infrastructure

Salesforce

Salesforce is a cloud-based customer relationship management (CRM) platform that provides a comprehensive suite of enterprise a...

Includes Informatica, Demandware, Slack

Atlassian

Atlassian is a software company that develops collaboration, productivity, and project management tools to help teams work more...

Includes Bitbucket

IBM

IBM offers solutions that protect identities and sensitive access for enterprise customers. Its IBM Vault® product is highlight...

Includes Red Hat, Apptio, DataStax, Software AG

SAP

Collection of SAP's enterprise APIs for business applications and cloud services.

Includes Ariba, SAP SuccessFactors

Zoho

Zoho is a comprehensive cloud software suite offering 55+ integrated business applications for sales, marketing, customer servi...

Cvent

Cvent is a leading meetings, events, and hospitality technology provider with over 4,800 employees and 22,000+ customers worldw...

SmartBear

SmartBear is a software company that provides AI-powered tools for API lifecycle management including design, testing, document...

Includes Stoplight, swagger

Datadog

Datadog is a monitoring and analytics platform that helps organizations gain insight into their infrastructure, applications, a...

Meta

Collection of Meta (Facebook) platform APIs for social networking, messaging, advertising, content publishing, AI, and develope...

Elastic

Elastic is a software company that builds search-powered solutions for observability, security, and search use cases. The Elast...

Qlik

APIs for Qlik's analytics and data integration platform.

Includes Talend

Workday

Collection of Workday REST and SOAP APIs for human capital management, financial management, enterprise planning, analytics, an...

Instructure

Instructure is an EdTech company best known for Canvas LMS, a widely adopted learning management system used by thousands of ed...

Broadcom

Broadcom is a global technology company that specializes in the design and manufacturing of semiconductors and other hardware c...

Includes VMware, Symantec, Avago Technologies, CA Technologies (Broadcom), AppNeta

WSO2

WSO2 API Manager is an open-source API management platform supporting REST, SOAP, and GraphQL with flexible hybrid deployment. ...

Hewlett Packard Enterprise

Hewlett Packard Enterprise (HPE) is a global edge-to-cloud technology company providing servers, storage, networking, and hybri...

Includes Juniper Networks

Etherscan

Etherscan is the leading blockchain explorer, search, API, and analytics platform for Ethereum and other EVM-compatible chains....

APILayer

APILayer is an API marketplace and hub, an Idera, Inc. brand headquartered in Vienna, Austria, that publishes and operates a po...

Zendesk

Zendesk provides customer service and engagement software that helps businesses manage support tickets, automate workflows, and...

Stripe

Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses...

Twilio

Cloud communications platform providing APIs for SMS, voice, video, and authentication services. Twilio offers 30+ APIs coverin...

Adobe

Adobe provides APIs and developer resources for its creative, document, and experience cloud platforms. Developers can integrat...

Autodesk

Autodesk is a global leader in design, engineering, and entertainment software, providing cloud-connected platform APIs through...

Includes Autodesk Construction Cloud

FIS Global

FIS (Fidelity National Information Services) is a global leader in financial technology providing APIs for core banking, paymen...

Intuit

Collection of APIs offered by Intuit for financial and business management services.

Includes Mailchimp

Confluent

Stream, connect, process, and govern your data with an all-in-one, real-time platform from the pioneer in data streaming. Build...

Dell Technologies

Dell Technologies is a global Fortune 500 technology company that designs, develops, manufactures, and supports a wide range of...

Includes EMC

Dropbox

Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, U...

Databricks

Databricks provides a unified Data + AI Platform that runs analytical and operational workloads on a single open, governed foun...

Apple

Collection of Apple's public APIs and developer resources.

Freshworks

Freshworks is a software company that develops cloud-based business software including customer support, IT service management,...

Includes FireHydrant

PTC

PTC is an industrial technology company providing software platforms and APIs for Industrial IoT (ThingWorx), Product Lifecycle...

Uber

Uber is a global technology platform offering transportation, food delivery, and logistics services. Its developer platform pro...

Check Point

Check Point Software Technologies is a global cybersecurity vendor providing network, cloud, endpoint, mobile, and email securi...

Booking Holdings

Booking Holdings is the world's leading provider of online travel and related services, operating a portfolio of brands includi...

Google

Google Docs is an online word processing and PDF editing tool that is part of Google Workspace. It provides cloud‑based documen...

Includes Google Workspace

Progress Software

Progress Software Corporation (NASDAQ: PRGS) is a Burlington, Massachusetts enterprise software company that builds and acquire...

OpenText Cybersecurity

OpenText Cybersecurity is the security business of OpenText, assembled from the Micro Focus security portfolio (Fortify applica...

Visa

Visa is a global payment technology company that facilitates electronic funds transfers by providing consumers, businesses, and...

Siemens

Siemens is a global powerhouse in the fields of electrification, automation and digitalization. The company offers a broad port...

Bloomberg

Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories from Businessweek and B...

ServiceNow

ServiceNow provides cloud-based platform services that automate enterprise IT operations.

ZoomInfo

ZoomInfo is a B2B go-to-market intelligence platform whose contact and company database, buyer-intent signals, scoops and news ...

Kong

Kong is the AI Connectivity Company. Its platform spans Kong Gateway (the open-source API gateway built on NGINX and Lua), Kong...

LexisNexis

LexisNexis is a global provider of legal, regulatory, and business information and analytics. Through the LexisNexis Developer ...

Includes LexisNexis Risk Solutions

Anthropic

Anthropic is an AI safety company and the creator of the Claude family of large language models (Opus, Sonnet, Haiku, and the F...

Bird

Bird (formerly MessageBird) is an omnichannel customer communications platform offering REST APIs for email, SMS, WhatsApp, RCS...

Includes Pusher

Visma

Visma is a Nordic business-software group headquartered in Oslo, Norway, supplying cloud ERP, accounting, invoicing, payroll, H...

Boomi

Boomi is a leading integration platform that allows organizations to connect applications, data, and people across cloud and on...

Palo Alto Networks

Palo Alto Networks is a global cybersecurity leader providing advanced security platforms and services across network security,...

Cloudflare

Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.

SS&C Technologies

SS&C Technologies Holdings (NASDAQ: SSNC) is a global provider of financial-services and healthcare software and outsourcing, h...

CoStar Group

CoStar Group is the dominant commercial and residential real estate data, analytics, and marketplace company. The portfolio spa...

ARGUS

ARGUS is the industry-standard suite of commercial real estate software solutions by Altus Group. The ARGUS platform includes A...

Sage

Sage provides cloud-based ERP, accounting, payroll, and HR software for businesses worldwide. The Sage Developer program provid...

Cox Automotive

Cox Automotive is one of the world's largest providers of products and services spanning the automotive ecosystem, operating a ...

Tricentis

Tricentis is an enterprise continuous testing and quality engineering company, founded in Austria in 2007 and headquartered in ...

Postman

Postman is the world's leading API platform, used by 35+ million developers to design, build, test, document, mock, monitor, an...

BILL

BILL (formerly Bill.com) is a cloud-based financial operations platform for small and midsize businesses that automates account...

Life360

Life360 is a family safety platform built around a location-sharing mobile app for iOS and Android, offering real-time member l...

SolarWinds

SolarWinds provides a comprehensive suite of APIs enabling programmatic access to its IT infrastructure management, monitoring,...

Mitratech

Mitratech is an Austin, Texas based enterprise software company supplying legal operations, governance, risk and compliance, an...

Ivanti

Ivanti is an IT asset management and security platform providing unified endpoint management, patch management, and IT service ...

Nokia

Nokia (Nokia Oyj) is a Finnish multinational telecommunications, information technology, and consumer electronics corporation h...

Includes Alcatel-lucent

Verizon

Verizon is a leading telecommunications company providing wireless, wireline, broadband, and global enterprise services. Verizo...

Includes AOL

Berkshire Hathaway

Berkshire Hathaway is a multinational conglomerate holding company headquartered in Omaha, Nebraska. The company's diversified ...

Tripadvisor

Tripadvisor is the world's largest travel guidance platform, helping hundreds of millions of travelers each month find places t...

Includes TheFork

Nvidia

Nvidia is a Fortune 500 company that provides developer APIs and integration capabilities through its developer platform. NVIDI...

Harness

Harness is an AI-powered software delivery platform that automates and accelerates the entire software development lifecycle fr...

Spring Framework

Spring is the leading open-source application framework for Java. The Spring ecosystem provides a comprehensive programming and...

MongoDB

MongoDB provides a document‑model database platform that can be deployed on any cloud or on‑premises infrastructure. It offers ...

NOAA — National Oceanic and Atmospheric Administration

The National Oceanic and Atmospheric Administration (NOAA) is the United States scientific and regulatory agency within the Dep...

Uniphore

Uniphore is an enterprise AI company — "The Business AI Company" — founded in 2008 and headquartered in Palo Alto, California. ...

CrowdStrike

CrowdStrike is a US cybersecurity company and Fortune 1000 constituent whose Falcon platform delivers endpoint, cloud, identity...

Paylocity

Paylocity is a cloud-based human capital management (HCM) and payroll software provider serving small and mid-sized US employer...

Pearson

Pearson plc is the world's largest learning company, operating courseware and assessment platforms (MyLab, Mastering, Revel, Pe...

Lightspeed Commerce

Omnichannel commerce platform with REST APIs for retail and restaurant POS, inventory management, loyalty programs, and e-comme...

John Deere

John Deere is a renowned American corporation that specializes in manufacturing agricultural, construction, and forestry machin...

Moody's

Moody's Corporation (NYSE: MCO) is a global integrated risk-assessment firm operating through two segments: Moody's Ratings (Mo...

Publicis Groupe

Publicis Groupe is the French-headquartered global marketing, communications and business-transformation holding company behind...

AMD

A multinational semiconductor company designing high-performance processors, graphics cards, and adaptive computing solutions. ...

Eli Lilly

Eli Lilly and Company is a Fortune 500 global pharmaceutical company that discovers, develops, manufactures, and sells human ph...

Nasdaq

Nasdaq is a global technology company serving capital markets and other industries, providing trading, clearing, exchange techn...

Abstract API

Abstract API is a platform that offers a wide range of API services for developers to easily integrate various functionalities ...

Akamai

Akamai is a global content delivery network (CDN), cloud services, and cybersecurity company that helps organizations deliver f...

Becton Dickinson

Becton Dickinson (BD) is a global medical technology company that develops, manufactures, and sells medical devices, instrument...

Renaissance

Renaissance Learning, Inc. is a pre-K–12 education technology company whose assessment, practice and analytics products — Star ...

Enghouse

Enghouse Systems Limited (TSX: ENGH) is a publicly traded Canadian enterprise software and services company headquartered in Ma...

Walmart

Walmart is a multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery st...

Includes Flipkart

Proofpoint

Proofpoint is an enterprise cybersecurity company focused on human-centric security — email and collaboration security, data lo...

OneTrust

OneTrust is an enterprise trust, privacy, and AI-governance platform. Its developer portal publishes 37 downloadable OpenAPI de...

RealPage

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

RTX

RTX Corporation is a leading American aerospace and defense company comprising three market businesses: Collins Aerospace, Prat...

Includes United Technologies

Spotify

Spotify is the world's leading music streaming platform with 600M+ users and 100M+ tracks. The Spotify Web API enables develope...

Quest Software

Quest Software Inc. is a privately held IT management and cybersecurity software company headquartered in Aliso Viejo, Californ...

Centene

Centene Corporation is a Fortune 500 managed care organization delivering government-sponsored healthcare to roughly one in fif...

Includes WellCare Health Plans

Coinbase

Coinbase is a leading cryptocurrency platform providing trading, custody, and payment infrastructure for individuals, businesse...

American Express

American Express is a globally integrated payments company and card network that offers charge and credit cards, merchant acqui...

Groupon

Groupon is a local-commerce marketplace, founded in Chicago in 2008, where people discover and book discounted experiences, ser...

Everyday Health

Everyday Health is a consumer health media brand founded in 2002 and the flagship property of Everyday Health Group, a division...

Gilead Sciences

Gilead Sciences is a research-based biopharmaceutical company that discovers, develops, and commercializes innovative therapeut...

OpenAI

OpenAI publishes a single unversioned REST API at https://api.openai.com/v1 covering text and reasoning (Responses, Chat Comple...

TransUnion

A global information and insights company providing credit reporting, risk, fraud, and identity solutions. One of the three lar...

Snowflake

Snowflake is a cloud-based data platform delivering data warehousing, data lakes, data engineering, data science and data appli...

Cloudmersive

Cloudmersive provides a portfolio of utility APIs covering virus and malware scanning, document conversion, OCR, image recognit...

Airbnb

Airbnb is the world's leading home-sharing and short-term rental marketplace, connecting hosts who offer accommodations and exp...

Johnson & Johnson

Johnson & Johnson is a multinational pharmaceutical and medical devices corporation. Operating today as Johnson & Johnson Innov...

Marathon Petroleum

Marathon Petroleum is one of the largest petroleum product refiners, transporters, and marketers in the United States, with ope...

Includes Western Refining

Peloton

A connected fitness company offering stationary bikes, treadmills, rowers, and a digital platform for live and on-demand fitnes...

Includes Peloton Interactive

Doordash

DoorDash is an on-demand local commerce platform whose developer program exposes its logistics and marketplace network through ...

F5

F5 is a global company that specializes in application delivery and security solutions for businesses. They provide products an...

Lennar

Lennar Corporation is a Fortune 500 company and one of the leading homebuilders of new homes for sale in the United States. Len...

Match Group

Match Group is a leading provider of digital technologies designed to help people make meaningful connections. The company oper...

Pfizer

Pfizer is a Fortune 500 American multinational pharmaceutical and biotechnology corporation that researches, develops, and manu...

Philips

A Dutch multinational health technology company focused on diagnostic imaging, patient monitoring, image-guided therapy, ultras...

Fiserv

Fiserv is a global provider of financial services technology solutions, offering a wide range of products and services to help ...

Includes First Data (Fiserv)

Samsung

Samsung Electronics is a global technology leader offering developer platforms for building applications and services across mo...

Facebook

Facebook is Meta's social networking platform providing APIs for developers to integrate with Facebook's ecosystem. The Faceboo...

Smarty

Smarty (formerly SmartyStreets) is an address intelligence company that provides REST APIs for US and international address ver...

Marvell Technology

Marvell Technology, Inc. is a Fortune 500 fabless semiconductor company headquartered in Santa Clara, California. The company d...

Includes Inphi

Medtronic

Medtronic is a major US corporation and Fortune 1000 company. The Medtronic API provides programmatic access to its platform se...

Niantic

Niantic Spatial, Inc. (spun out of Niantic, Inc. in 2025 after the sale of its games division to Scopely) builds real-world fou...

Chevron

Chevron Corporation is one of the world's largest integrated energy companies, with operations across upstream exploration and ...

Intel

Discover Intel® Trust Authority, the independent attestation service for securing your confidential computing workloads.

Take-Two Interactive Software

Take-Two Interactive Software, Inc. (NASDAQ: TTWO) is a US interactive-entertainment holding company headquartered in New York ...

Includes Zynga

Yahoo

Yahoo is a consumer internet and advertising-technology company operating Yahoo Mail, Yahoo Finance, Yahoo Sports and Yahoo Sea...

X

X (formerly Twitter) operates the X Developer Platform, the programmable interface to the public conversation on X. The X API v...