A network index of all APIs.json files maintained by the API Evangelist organization, providing a comprehensive directory of API definitions across the network.

The API Commons — the hub and website (apicommons.org) for open, machine-readable API building blocks, standards, and browser-first tools.

A Python application that monitors stock prices using public financial APIs, stores historical market data, generates price alerts, and exports reports for analysis while demonstrating API integration and scheduled automation.

DeepSeek is an artificial intelligence company that provides advanced large language models accessible through an API that is compatible with the OpenAI and Anthropic SDKs.

Capital One is a financial services company offering credit cards, checking and savings accounts, loans, and auto financing in the United States.

CarAPI is a developer-friendly vehicle API and database that provides programmatic access to automotive data including makes, models, trims, bodies, engines, mileage, VIN decoding, license plate decoding, OBD-II diagnostic codes, and power sports vehicle information.

Whether your team is new to GraphQL, or seasoned experts, learn why Apollo is the fastest and safest way to build and scale your APIs.

SPX Graphics is an open-source, browser-based graphics control system for live video productions and live streams. It provides a REST API for external control of graphics templates, rundowns, and playback via integrations with CasparCG, OBS, vMix, and similar broadcast software.

Walmart is a multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores. The company is known for offering a wide range of products at competitive prices, attracting customers from all walks of life.

Collection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Management, Supply Chain Management, CRM, Campus Solutions, and engineering intelligence across PeopleTools platform services.

Best-in-class API components meet expert support to create the ideal wealth management operations environment. Optimize productivity, client experiences, and more.

JSON:API artifacts for the API Commons — schemas and governance for the JSON:API standard.

Smithery is a platform for discovering, deploying, and managing Model Context Protocol (MCP) servers and skills. It provides a registry of 6000+ community-built MCP extensions that AI agents can use to access external tools, data sources, and services.

httpstat.us is a super simple service for generating different HTTP status codes. It is useful for testing how your own scripts and applications deal with varying HTTP responses, allowing developers to simulate different server response scenarios.

APIs for managing Facebook Business accounts, advertising, pages, and assets across the Meta platform family.

Eden AI is an innovative artificial intelligence platform that specializes in providing advanced solutions for businesses looking to optimize their operations and improve efficiency.

Riot Games provides a comprehensive developer platform for accessing game data across League of Legends, VALORANT, Teamfight Tactics, Legends of Runeterra, and other titles. The Riot Developer Portal offers REST APIs for match history, ranked standings, champion mastery, live spectator data, tournament management, and player account data.

Charles Schwab is a financial services company providing brokerage, banking, asset management, and financial advisory services to individual investors and independent investment advisors.

Cybersecurity Standards captures the public, machine-readable, and reference frameworks that establish best practices for protecting information systems, networks, software, and data from cyber threats. The landscape is anchored by U.S.

Apollo.io is an AI-powered B2B sales intelligence and engagement platform combining a database of 230M+ verified contacts and 30M+ companies with prospecting, outreach, and deal execution tools.