FastAPI framework, high performance, easy to learn, fast to code, ready for production
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
π OpenAPI/Swagger-generated API Reference Documentation
swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.
The Cloud-Native API Gateway and AI Gateway
Scalar is an open-source API platform:γγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγπ Modern REST API Clientγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγπ Beautiful API Referencesγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγβ¨ 1st-Class OpenAPI/Swagger Support
Swagger Editor
Generate Go client and server boilerplate from OpenAPI 3 specifications
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Generate TypeScript types from OpenAPI 3 specs
Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API
β
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
Huma REST/HTTP API Framework for Golang with OpenAPI 3.1
A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML
Simple, Fast, Code first and Compile time generated OpenAPI documentation for Rust
OpenAPI based HTTP Client code generator
OpenAPI 3.0 and 3.1 and 3.2 (and Swagger v2) implementation for Go (parsing, converting, validation, and more)
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning.
Javascript library to connect to swagger-enabled APIs via browser or nodejs
Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.
OpenAPI v3 code generator for go
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project π
Generate modern Python clients from OpenAPI
A node package wrapper for https://github.com/OpenAPITools/openapi-generator
RapiDoc -WebComponent for OpenAPI Spec
Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.
Golang Fuego - Web framework generating OpenAPI 3 spec from source code - Pluggable to existing Gin & Echo APIs
A library that generates OpenAPI (Swagger) docs from Zod schemas
βοΈ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.
OpenAPI Diff and Breaking Changes
Restish is a CLI for interacting with REST-ish HTTP APIs with some nice features built-in
Precision documentation from OpenAPI, MCP, Doxygen, and Markdown guides. Static HTML you own.
A pluggable API specification generator. Currently supports the OpenAPI Specification (f.k.a. the Swagger specification)..
Swagger 2.0 and OpenAPI 3.0 parser/validator
A lightweight Python web API framework.
vacuum is the worlds fastest and most versatile OpenAPI, Arazzo, AsyncAPI & JSON Schema linter, docs generator and toolkit. It tears through API specs at light speed. 100% compatible with Spectral rulesets, and OpenAPI 3.0, 3.1 and 3.2
A fast Java JSON schema validator that supports draft V4, V6, V7, V2019-09 and V2020-12
Plugin for converting OpenAPI 3.0 specs to the Postman Collection (v2) format
π¦ Auto-validates api requests, responses, and securities using ExpressJS and an OpenAPI 3.1.x or 3.0.x specification
libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.
The most comprehensive collection of quality OpenAPI tooling, curated by Phil Sturgeon and the team at APIs You Won't Hate.
OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and more!
π A list of awesome projects related to OpenAPI 3.0.x, curated by the community
π€ Generator for GH repo to help you manage the OpenAPI definition lifecycle
Framework for building high quality, interactive API documentation.
Spot is a concise, developer-friendly way to describe your API contract.
TS Model & utils for creating and exposing OpenAPI 3.x contracts.
Open-source OpenAPI SDK generator for building production-ready client libraries. Available under AGPL-3.0; contact Speakeasy for commercial licensing options.