Public APIs is a large catalog of free public APIs with categories, auth type, HTTPS support, and CORS notes.
Open Source: #api
Catalog projects marked with #api. Tags work as dedicated landing pages, so related tools are easier to find and connect.
This collection holds 33 projects with a combined 2,302,675 GitHub stars. Main languages: TypeScript, Python, JavaScript.
Repositories
Firecrawl is an API and open server for search, crawling, and turning web pages into clean Markdown or structured data.
Supabase is an open Postgres platform for applications: database, auth, generated APIs, Realtime, functions, storage, and vector use cases.
FastAPI is a Python API framework built on type hints, Starlette, and Pydantic, with automatic OpenAPI documentation and an async model.
Gin is a high-performance HTTP framework for Go with a fast router, middleware, JSON binding, recovery, and convenient REST API development.
RealWorld is a specification and example set for one Medium-like application implemented across different client and server stacks.
Hoppscotch is an open source API development ecosystem for REST, GraphQL, realtime requests, collections, environments, and team collaboration.
NestJS is a TypeScript framework for Node.js server applications with modules, controllers, providers, and dependency injection.
JSON Server is a tool for quickly creating a fake REST API from a plain JSON file, useful for prototypes and UI tests.
OpenAI Cookbook is an official collection of examples and guides for using the OpenAI API in practical tasks.
Strapi is a headless CMS where content is managed in an admin panel and delivered to applications through APIs.
Flask is a Python microframework for web applications: routes, request/response handling, Jinja, and extensible server foundations.