OpenAPI Specification

Library for OpenAPI 3 with spring-boot

Resources for the Bungie.net API

OpenAPI Diff and Breaking Changes

vacuum is the worlds fastest OpenAPI 3, OpenAPI 2 / Swagger linter and quality analysis tool. Built in go, it tears through API specs faster than you can think. vacuum is compatible with Spectral rulesets and generates compatible reports.

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0 and Swagger parser, library, validator and toolkit for golang applications.

Fast and light-weight API proxy firewall for request and response validation by OpenAPI specs.

An API security tool to capture and analyze API traffic, test API endpoints, reconstruct Open API specification, and identify API security risks. 

This repository contains the specification files for PayPal REST APIs.

The world's sexiest OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.1, 3.0 and Swagger

Find API quality and security issues via your OpenAPI spec

A customizable style validator to make sure your OpenAPI spec follows your organization's standards.

EnRoute Ingress API Gateway - Kubernetes-native, Ingress API Gateway Powered using Envoy

The world's coolest API Validation and compliance tool. Validate APIs against OpenAPI specifications and much more

Generated Swift code for the App Store Connect API based on the official OpenAPI spec.

A collection of open-source and commercial tools for creating your APIs with OpenAPI - Sourced from and published for the community

Swagger 3.0 implementation for go

An opinionated OpenAPI v3 code generator for Go. Use this to generate API models and router scaffolding.

OpenAPI validation extension for libopenapi, validate http requests and responses as well as schemas

Generate SDKs and docs for your API

Sample OpenAPI description to use for whatever you like, as a hopefully more modern and useful alternative to the Petstore.