FastAPI framework, high performance, easy to learn, fast to code, ready for production

Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.

The OpenAPI Specification Repository

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

📘 OpenAPI/Swagger-generated API Reference Documentation

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

gRPC to JSON proxy generator following the gRPC HTTP spec

Automatically generate RESTful API documentation with Swagger 2.0 for Go.

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

🕸️ Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.

Automagically reverse-engineer REST APIs via capturing traffic

💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

Generate Go client and server boilerplate from OpenAPI 3 specifications

Generate TypeScript types from OpenAPI 3 specs

Production-ready, Light, Flexible and Extensible ASGI API framework | Effortlessly Build Performant APIs

Automated JSON API documentation for API's built with Spring

Design-first Go framework that generates API code, documentation, and clients. Define once in an elegant DSL, deploy as HTTP and gRPC services with zero drift between code and docs.