#openapi

Openapi-core is a Python library that adds client-side and server-side support for the OpenAPI v3.0 and OpenAPI v3.1 and OpenAPI v3.2 specification.

A plugin for the Fastify webserver to autogenerate a Fastify configuration based on a OpenApi(v2/v3) specification.

Build APIs your users love ❤️ with Speakeasy. ✨ Polished and type-safe SDKs. 🌐 Terraform providers, MCP servers, CLIs and Contract Tests for your API. OpenAPI native.

Easily export your Rust types to other languages

The Standard Webhooks specification

Rust library for OpenAI

OpenAPI React Query Codegen is a code generator for creating React Query (also known as TanStack Query) hooks based on your OpenAPI schema.

Fast and well tested serialization library

Open-source API mock server for REST, gRPC, GraphQL, WebSocket, Kafka, MQTT and more

SwaggerHub CLI

OpenAPI specification for Blockfrost.io service

Modern Laravel OpenAPI (Swagger) documentation generator. No PHPDoc annotations required.

Generate Go models from OpenAPI spec

Lance Namespace is an open specification for describing access and operations against a collection of tables in a multimodal lakehouse

multimodal routing, geocoding, and map tiles

Breeze — High-Performance Golang Web Framework

Generate TypeScript types from OpenAPI 3 specs

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.

OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.

Seamlessly adds a Swagger to Rails-based API's

OpenApi schema validation for OpenApi versions v2, v3.0.x, v3.1.x and v3.2.x

SmallRye implementation of Eclipse MicroProfile OpenAPI

Connexion is a modern Python web framework that makes spec-first and api-first development easy.

Gesso — OpenAPI 3.0/3.1/3.2 contract testing for PHP. Framework-independent core with Laravel, Symfony, Pest, and PSR-7 adapters. PHPUnit coverage, request/response validation, fuzzing, and drift detection.

Lightweight embeddable web server written in pure C# with few dependencies to 3rd-party libraries.

Use MCP and OpenAPI to safely control Proxmox VE VMs, LXCs, backups, and snapshots from LLMs and AI agents.

Comprehensive Go protobuf toolkit for building type-safe HTTP APIs with automatic validation, OpenAPI docs, and low number of dependencies

Multi-agent autonomous SDLC framework. Spec to deployed app. PRD, GitHub issue, OpenAPI/JSON/YAML, or one-line brief. 5 AI providers, 8 quality gates.

Modularized, fully-typed TypeScript SDK for the Amazon Selling Partner API (SP-API), with independently versioned clients regenerated daily

Bump.sh CLI - Deploy your OpenAPI & AsyncAPI documentations from your CI