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.

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

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.

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.

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

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

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.

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.

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

Dragoneye is a computer vision platform designed to democratize access to advanced image and video recognition technologies. It enables developers to build and deploy custom models tailored to their specific use cases without the need for coding or data labeling.

ngrok is a unified application delivery network for developers, providing secure tunnels, ingress-as-a-service, API gateway, and AI gateway capabilities. It enables developers to expose local services on the public internet, manage edge ingress, and route traffic to AI providers without redeploying applications.

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.

Mastodon is a open source, self-hosted, social networking service. Mastodon uses the ActivityPub protocol for federation which allows users to communicate between independent Mastodon instances and other ActivityPub compatible services.

Vercel is a cloud platform that helps developers build, deploy, and scale modern web applications quickly and efficiently. It provides an optimized hosting environment for frontend frameworks like Next.js (which it created), as well as other React, Vue, Angular, and static site projects.

Dataiku is an advanced data science and machine learning platform that enables teams to build and deploy AI applications at scale.

A curated index of services, tooling, and open source solutions for API observability, monitoring, logging, tracing, metrics, and analytics. This collection covers APM platforms, distributed tracing, log aggregation, API-specific monitoring, uptime and status pages, error tracking, and metrics visualization.

APIs for GitHub Actions - automation and CI/CD platform.