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

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.

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.

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

APIs.io federated API search network — homepage, blog, and build pipeline. https://apis.io

Apigee is Google Cloud's native API management platform for building, managing, and securing APIs across any use case, environment, or scale. It provides API proxies, security, rate limiting, quotas, analytics, monetization, and developer portal capabilities.

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.

The GitHub REST API allows developers to programmatically interact with GitHub resources including repositories, users, organizations, pull requests, issues, and more.

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.

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.

Developer portal for APIs.io — JSON feeds, RFC 9727 api-catalog, agentic integration data. https://developer.apis.io

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.

AI Habitat is an open-source simulation platform from Meta AI Research for embodied AI research. It provides high-performance 3D simulated environments for training and evaluating AI agents on navigation, manipulation, and human-robot collaboration tasks.

GoDaddy is a domain registrar and web hosting company offering REST APIs for domain registration, DNS management, certificates, shopper accounts, subscriptions, aftermarket auctions, and abuse reporting.

The US Copyright Office is a government agency responsible for administering and enforcing copyright laws in the United States.

Samsara is a leading connected operations platform for physical operations industries including transportation, logistics, construction, field services, and energy.

Tinybird is a real-time data platform that allows you to ingest, process, and expose data through low-latency, high-concurrency APIs. The platform supports real-time analytics at scale with a SQL-based transformation layer and instant REST API endpoint publishing.

Schematic is a feature and entitlement management platform for SaaS companies, providing pricing, packaging, and metering capabilities. It enables engineering and product teams to manage feature flags, define subscription plans, track feature usage, and control customer entitlements without code changes.

Zoetis is the world's leading animal health company, dedicated to discovering, developing, manufacturing, and commercializing medicines, vaccines, diagnostics, and technologies for animals.

Foodvisor is a mobile nutrition platform whose Vision API uses computer vision and AI to identify food items from photographs and return nutritional information including calories, macronutrients, and serving estimates. The Vision API is offered to enterprise developers under a commercial agreement.