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

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)

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

Swagger Editor

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

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

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

Generate Go client and server boilerplate from OpenAPI 3 specifications

Generate TypeScript types from OpenAPI 3 specs

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

Language-agnostic HTTP API Testing Tool

Knife4j is a set of Swagger2 and OpenAPI3 All-in-one enhancement solution

Browser extension that generates API specs for any app or website

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

Library for OpenAPI 3 with spring-boot

OpenAPI based HTTP Client code generator

Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning.