OpenAPI Specification

The OpenAPI Specification (OAS), previously known as the Swagger Specification, is a specification for a programming language-agnostic, machine-readable interface definition language for describing, producing, consuming, and visualizing web services. OpenAPI documents describe API services and are represented in YAML or JSON formats.

GitHub: https://github.com/topics/openapi
Wikipedia: https://en.wikipedia.org/wiki/OpenAPI_Specification
Repo: https://github.com/OAI/OpenAPI-Specification
Created by: OpenAPI Initiative, Tony Tam, Darrel Miller, Mike Ralphson, Ron Ratovsky, Uri Sarid, Jason Harmon
Released: August 10, 2011
Related Topics: json-schema, raml, rest-api,
Aliases: open-api, swagger-spec, swagger-specification, openapi-spec, openapi-specification, open-api-specification, oas, openapi-description,
Last updated: 2026-07-08 00:22:40 UTC
JSON Representation

https://github.com/techinpark/jira-cli

Open source Jira CLI for Jira Cloud REST API v3. Manage issues, comments, transitions, worklogs, and JQL from the terminal or LLM agents.

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Last synced: 26 Jun 2026

https://github.com/soenneker/soenneker.bunny.openapiclientutil

A thread-safe utility for obtaining Bunny's OpenApiClient singleton.

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https://github.com/soenneker/soenneker.wise.openapiclientutil

A thread-safe utility for obtaining Wise's OpenApiClient singleton.

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https://github.com/sukramj/openccu-loom-types

Generated Pydantic v2 models and enum types for the openccu-loom REST + WebSocket contract

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https://github.com/elmodo7/tuya4ahk

An AHK class for wrapping Tuya OpenAPI calls for IoT device automation over Wi-Fi.

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https://github.com/ignatandrei/openapiswaggerui

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https://github.com/dieperid/bucket-adapter

Bucket Adapter repository for BI1.

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https://github.com/torand/openapi2java

Maven plugin to generate Java models and REST clients from an OpenAPI specification

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https://github.com/intellifi-nl/brain-rest-api-spec

Intellifi Brain REST API spec

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https://github.com/alcandev/book-inventory-react-vite-nest-postgres

Full-stack book inventory management system using React + Vite (frontend) and NestJS + PostgreSQL (backend). Features JWT auth, advanced filtering (incl. availability), pagination, CSV export, auditing, Swagger docs, image upload with Multer (local storage), and Docker Compose deployment.

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https://github.com/evilurge/openapivalidator

Test your openapispecs

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https://github.com/subzeroid/hikerapi-mcp

MCP server for HikerAPI — 105+ Instagram API tools auto-generated from the OpenAPI spec. Use from Claude Code, Claude Desktop, Cursor, OpenAI Codex, Zed, Windsurf.

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https://github.com/cdn77/patroni-openapi

Patroni OpenApi v3 spec

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https://github.com/kopfrechner/scalar-chrome-extension

Beautiful OpenAPI/Swagger viewer for Chrome, powered by Scalar.

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https://github.com/shockey/awywi

Code and slides for my APIStrat 2018 talk

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https://github.com/iota-uz/click

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https://github.com/livingdocsio/openapi

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https://github.com/markrosemaker/errpath

Utilities for creating and managing detailed error paths, allowing users to construct error messages that include the full path to the error. Useful when traversing complex data structures such as JSON or YAML files. Example: components.schemas["Pet"].allOf[0]: invalid schema

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https://github.com/sigpwned/diffbot-openapi-spec

Community OpenAPI Spec for Diffbot API

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https://github.com/mikeirvingweb/dotnet-open-api-swagger-demo

As demoed at the Dot Net North .NET Conf Local Event in December 2020. A simple overview of Open API and Swagger in .NET

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https://github.com/dernasherbrezon/jsp-openapi

JSP tag for rendering openapi

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https://github.com/himenon/docker-typescript-openapi

TypeScript implementations generated from Docker OpenAPI

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https://github.com/gopad/gopad-js

Javascript SDK for Gopad

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https://github.com/letehaha/walutomat-sdk

Unofficial SDK clients for the Walutomat API v2.0.0. Walutomat is a Polish peer-to-peer currency exchange platform operated by Currency One. This SDK provides typed clients for their REST API, covering wallet management, transfers, direct FX, and the P2P market order book.

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https://github.com/iqbalmind/jurnal-api-example

A collection of example integrations with the Mekari Jurnal Open API using different Code & frameworks. This repository aims to help developers quickly understand and implement Jurnal API integrations across various environments.

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https://github.com/vaelixbank/vaelix-exchange

The Vaelix Exchange Open Source Platform

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https://github.com/neelkamath/backend-prototype

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https://github.com/asteriskiry/eventsignup_backend

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https://github.com/heyymamana/chat-genius

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https://github.com/iota-uz/payme

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https://github.com/lornajane/apitapviz

Simple visualisation of OpenAPI Arazzo files as Markdown or mermaidjs. (Mirror of the main apitapviz repo)

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https://github.com/soenneker/soenneker.nws.openapiclient

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https://github.com/minterteam/node-grpc-gateway

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https://github.com/diegoaltoworks/ts-node-api

I know, yet another ts boilerplate, with `tRPC` and `openapi.json` auto generated docs.

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https://github.com/taka-wang/queue-management-system

API Design for Queue Management System

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https://github.com/quanttide/quanttide-specification-of-network-applications

量潮网络应用标准

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https://github.com/k0lin/apiscope

A modern, web-based OpenAPI documentation platform built with Go and Gin. Upload, version, and share your API specifications with beautiful, interactive Swagger UI documentation.

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https://github.com/flkt-crnpio/fastapi-sandbox

Pruebas para crear la documentacion de una API bajo los protocolos de OpenAPI utilizando el framework de FastAPI

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https://github.com/soenneker/soenneker.highlevel.clientutil

An async thread-safe singleton for HighLevel OpenApiClient.

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https://github.com/chryzxc/swagger-mcp-server

MCP server for Swagger/OpenAPI definitions

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https://github.com/matorikkusu/cleanarchitecture

Clean Architecture Solution Template for ASP.NET Core

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https://github.com/murilobeltrame/springjerseydemoapi

Demo API built with Spring and Jersey

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https://github.com/aitthi/rust-api-example

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https://github.com/soenneker/soenneker.cloudflare.openapi.suite

A comprehensive suite of utility libraries for Cloudflare's OpenApi operations

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https://github.com/offlabel-scaffolds/scaffold-fastapi-backend

FastAPI Python backend with SQLAlchemy, Alembic, and OpenAPI

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https://github.com/miskler/pytorrent

A service for hosting mods and downloading them from Steam.

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https://github.com/soenneker/soenneker.loops.openapiclient

A Loops (loops.so) .NET client generated from their OpenAPI schema, updated daily

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https://github.com/soenneker/soenneker.hubspot.openapiclient

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https://github.com/soenneker/soenneker.rebrickable.client

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https://github.com/cumulocity-iot/cumulocity-swagger-openapi

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https://github.com/aihxp/sumac

Sumac: bring out what your tools can do — one Rust binary to bridge skills, MCP, and APIs. Run any skill as an MCP server, any MCP server as a CLI, and any API from your terminal.

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https://github.com/muellerconstantin/taskcare-api

Backend of the TaskCare collaboration platform for managing tasks in a team.

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https://github.com/ah00ee/python-league

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https://github.com/flaviomarcio/qapidoc

Qt-API Documentation for OpenAPI/Swagger

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https://github.com/vahor/docs-template

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https://github.com/jaqx0r/rules_oapi_codegen

Bazel rules for generating API service handlers with `oapi-codegen`.

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Last synced: 10 May 2026

https://github.com/wilson0x4d/tornado-openapi

..an OAS-generation library for Tornado.

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Last synced: 05 Mar 2026

https://github.com/samuele-barbiera/kubb-gen-scribe-cli

a cli made to scaffold a basic structure for the kubb SDKs, managing the BE api calls fully typesafe with a swagger yaml file

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Last synced: 17 Apr 2026

https://github.com/RingoMar/whisper-devcontainer

Openai whisper inside of vscode docker devcontainer using example files

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https://github.com/maheshshinde9100/opdheal

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https://github.com/nicksp/rest-api-starter

Production-grade REST API starter template

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https://github.com/mermade/oas-containers

Docker/podman containers for OAS documentation and registry

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https://github.com/kineticcookie/archivarius

Documentation renderer based on sbt-paradox

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Last synced: 17 Apr 2026

https://github.com/govcraft/mistral-rouille

Mistral Client generated from Mistral's OpenAPI spec.

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Last synced: 23 Feb 2026

https://github.com/xutyxd/ts-openapi-contract-first-boilerplate

A boilerplate for building contract-first APIs in TypeScript with OpenAPI. Includes OpenAPI definition, compliant server setup, and npm package generation for seamless API development.

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Last synced: 05 Feb 2026

https://github.com/zaiducreatesjarvis/blockchain-event-ticketing-app

Web application for selling tickets using blockchain technology.

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https://github.com/aporthq/aport-integrations

🛡️ Community-built integrations, SDKs, and tools for APort - the neutral trust rail for AI agents. Join Hacktoberfest 2025!

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https://github.com/thavarshan/orthrus

⛨ A production-ready, multi-tenant JWT authentication service built with Symfony 7.3 and PHP 8.2+.

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https://github.com/gah-code/ai-prompt-bootcamp

Learning practical coding skills for working professionally with AI

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https://github.com/soenneker/soenneker.sonarr.openapiclient

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https://github.com/sjefvanleeuwen/gemma-zaken

OpenAPI .NET Core test implementations for ZDS / Zaakgericht werken

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https://github.com/soenneker/soenneker.fastly.openapiclientutil

A thread-safe utility for obtaining Fastly's OpenApiClient singleton.

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https://github.com/soenneker/soenneker.gitlab.httpclients

A thread-safe singleton HttpClient for GitLab's OpenAPI integration.

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https://github.com/nigussolomon/nest-util

Supercharge NestJS development with a generic CRUD engine, automated CLI generator (ncnu), and essential utilities. Features deep TypeORM integration, automated Swagger/OpenAPI documentation, and rapid boilerplate generation.

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https://github.com/zemloai-ctrl/zemloai-api

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