api-catalog

📜 A collective list of public GraphQL APIs

🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.x format

660+ muapi-hosted generative-media models plus community-submitted third-party API tools (SEO, enrichment, social, scraping) — one YAML file per entry, browsable by capability.

Directory of OpenAPI specifications for thousands of public APIs. Every API is machine-readable and scored for AI agents. CC0.

Unified AI API model catalog: machine-readable JSON for 300+ models behind one OpenAI-compatible API, with modality, billing unit, per-image, per-second and per-token pricing and doc links.

The API Mediation Layer provides a single point of access for mainframe service REST APIs.

Apinf - Open source API management platform with multi proxy and protocol support

Curated catalog of public REST APIs with OpenAPI specs, endpoint indexes, and crawlable docs for developers and search tools.

Verified catalog of 300+ APIs and MCP servers with opinions and statistics so that AI agents can call after a one-time API key/OAuth setup. JSON, llms.txt and an MCP server for agents.

Apivault — independent third-party profile of a public API surface, by API Evangelist. Apivault is an open-source directory and gateway for discovering public APIs. The platform catalogs thousands of free and public APIs across 51 categories including animals, anime, blockchain, cryptocurrency, finance, health, music, news, and weather, enabling de

Alat harian dari data publik Indonesia. Gempa, wilayah, jadwal sholat, cuaca, plus katalog API lokal yang statusnya dipantau otomatis.

APIX - a list of all the public apis you need to build the best projects🚀

Public APIs, agent-ready — verified, no keys, no signup

Customer and partner administrators of SAP API Management, part of SAP Integration Suite, can use or modify this utility to easily automate the registration of APIs managed by different solutions or from different repositories into one central catalog of APIs that are available within the organization. Developers and other API consumers centrall...

A curated list of the best APIs for AI agents, scored by the Jentic API AI-Readiness Framework. Every entry links to a standardised OpenAPI spec.

Compare prices & providers for 2000+ AI models — LLMs, video, image, audio

Visual catalog of 1,500+ public APIs. See what the data looks like, not just docs links.

356 Production-Ready REST APIs for developers. Fast, reliable, and easy to integrate.

This project implements a semantic retrieval chatbot for open government APIs. By leveraging semantic embeddings and FAISS for similarity search, it provides an optimized, low-cost alternative to traditional RAG pipelines, enabling efficient natural language discovery of government endpoints.

Autonomously curated catalog of free Norwegian APIs for AI code agents.