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.

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.

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

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.

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.

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

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.

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

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.

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.

Free Law Project is a non-profit organization that seeks to increase access to justice and transparency in the legal system through the use of technology and open data.

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

AIMLAPI is a unified AI model API gateway providing access to 400+ state-of-the-art AI models from OpenAI, Anthropic, Google, Meta, DeepSeek, Mistral, Stability AI, and 40+ other providers through a single OpenAI-compatible API.

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.

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

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

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

The Internet Assigned Numbers Authority (IANA) performs the global coordination of the DNS Root, IP addressing, and other Internet protocol resources. IANA maintains the protocol registries, top-level domain delegations, time zone database, and language subtag registry that the Internet relies on.

This is a template APIs.json for a products API, to be used in storytelling, training, and knowledge bases.