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: 2026-04-05 00:18:14 UTC
JSON Representation

https://github.com/bradpatras/openapi-swift-package-schema-only

Testing out a swift package containing only the OpenAPI schema and generator plugin that can be consumed by an iOS app via spm.

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https://github.com/planet-a-ventures/affinity-client-python

API client for Affinity (www.affinity.co)

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https://github.com/belgif/openapi-organization-identifier

OpenAPI data types for organization identifiers

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https://github.com/nicesi/openapi-ui-single-file

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https://github.com/mahabubx7/terry

Terry => Typescript + Express.js + Openapi-TS based boilerplate/custom-framework

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Last synced: 03 Mar 2025

https://github.com/shearichard/flask-for-redux-testing

Flask based RESTFUL API to use for testing Redux Toolkit against.

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Last synced: 06 Mar 2025

https://github.com/those-otter-programs/spring_boot_3_restfull_api

A Spring Boot 3 RESTfull API sample

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https://github.com/humbertodias/mn-kotlin-openapi-helloworld

Openapi through micronaut with kotlin

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https://github.com/andersonhsporto/rest-open-api-generator

Simple Rest Api Using Open Api Code Generator

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https://github.com/humbertodias/rust-rweb-openapi

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https://github.com/nexys-system/postman-openapi-ui

generate Open API from Postman collection

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https://github.com/beshkenadze/openapi-mcp-generator

Transform OpenAPI specifications into Model Context Protocol (MCP) servers. Generate MCP servers with multiple transport options (HTTP/SSE/Stdio) for Claude Desktop and web integration.

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https://github.com/lifeiscontent/openapi-sdk

Generate Typesafe SDK from OpenAPI spec

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https://github.com/esn8der/tour-of-heroes-api

API en Java usando spring boot para el proyecto del tutotrial de angular Tour Of Heroes

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https://github.com/libninjacom/petstore-ts

Petstore client, generated from the OpenAPI spec

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https://github.com/ybelenko/openapi-data-mocker-interfaces

Package with OpenApiDataMocker interfaces.

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https://github.com/libninjacom/truid-rs

tru.id client, generated from the OpenAPI spec.

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https://github.com/jfoclpf/get-openapi-examples

Extract all possible paths present in openapi.yaml based on paths and the provided examples

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https://github.com/nyxstack/openapi

OpenAPI package providing Go types to build full OpenAPI 3.1.0 specs programmatically. Define paths, operations, schemas, servers, security, and components in code, then export JSON or YAML. Supports complex schemas, callbacks, authentication, and reusable components for complete API documentation.

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https://github.com/libninjacom/twilio-rs

Twilio client, generated from the OpenAPI spec, with love from the team at Libninja

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https://github.com/ssobue/openapi-workshop

OpenAPI Workshop

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https://github.com/heikkilamarko/golang-api

A simple RESTful API written in Go.

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https://github.com/reprezen/rapid-xchange

A protocol and message format for APIs described in RAPID-ML. RAPID-ML™ is a domain-driven API modeling language that enables data standardization across APIs. RAPID-XChange™ is a native API protocol and message format for RAPID-ML APIs, translating RAPID-ML's data binding, object graph, and hypermedia semantics to a physical API contract.

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https://github.com/lagden-development/api.lagden.dev

The Lagden Development API. This project is currently in beta as will be improved going forward.

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https://github.com/guilhermeuptotask/tasksmaneger

Fullstack Web Aplication Using FastApi, React, OpenAPI, Docker, Nginx, PostgreSQL, GitHub Actions for CI/CD.

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https://github.com/soenneker/soenneker.attributes.publicopenapiobject

For decorating objects that should be publicly accessible to see within OpenApi

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https://github.com/marigold-dev/tezos-api

Tezos Node API Documentation using ReDoc

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https://github.com/alexdemure/fastoas

Customize and override OpenAPI schema details in FastAPI with ease

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https://github.com/teamkweku/alx_travel_app_0x01

Django REST API for property rentals with booking management, reviews, and real-time notifications. Features MySQL, Celery, and Docker integration.

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https://github.com/jbdoumenjou/openapi-go

OpenAPI experiments.

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https://github.com/alexandrecpedro/todoapi

ToDo API

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

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https://github.com/nurkholiswakhid/fastapi

FastAPI is a modern web framework that makes building APIs easy and fast. With its high performance and simplicity, developers can create production-ready applications efficiently. 🚀💻

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https://github.com/mrxz/javalin-openapi-apt

Annotation processing to generate OpenAPI specification from source code using Javalin

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https://github.com/kemalkochekov/effectivemobiletestproject

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https://github.com/xlvaro06/study22

The "Study22" repository contains educational materials for learning about advanced mathematics concepts in a clear and straightforward manner, suitable for students and self-learners. It provides practical examples and exercises to deepen understanding and proficiency in mathematical subjects.

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https://github.com/litestar-org/.github

Community health files for the @litestar-org organization

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https://github.com/vzsoares/openapi-swagger-portal

Awesome OpenAPI/Swagger documentation portal 🚀

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https://github.com/damirscorner/20250314-dotnet-api-file-upload

Sample project for 'Web API file upload with metadata' blogpost

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https://github.com/herbat73/hackyeah2018

PKO BP FinTech solution for hackaton HackYeah2018

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https://github.com/bl-semba-ryuichiro/sample-gradle-oas-generator-server

OpenAPI Generator (Gradle Plugin) を使ったサーバーサイドの自動生成を検証するリポジトリ

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https://github.com/webstersp/chatgpt_telegram_bot

Создание телеграм бота с ChatGPT o1, o3-mini, DeepSeek, Claude 3.7, Command-A, MiniMax

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https://github.com/swimmwatch/openapi-diff-semver-bump

A GitHub Action for getting appropriate updated SemVer OpenAPI package version.

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https://github.com/merkys/data-validate-openapi

Validate and untaint input parameters via OpenAPI schema

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https://github.com/thatbeautifuldream/react-api-ref

OpenAPI Docs Viewer

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https://github.com/soenneker/soenneker.runners.telnyx.openapiclient

Automatically updates the Soenneker.Telnyx.OpenApiClient package

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https://github.com/robsonlmds/java-screenmatch

Este projeto é uma aplicação Java que utiliza uma API para buscar informações sobre séries de TV e seus episódios, permitindo que os dados sejam armazenados e listados através de um repositório.

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https://github.com/vivek92503/weather-app

A weather app showing current conditions and forecasts using OpenWeatherMap API with location detection and temperature unit toggle.

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https://github.com/kinggenius4957/openapi-renderer

OpenAPI-renderer converts OpenAPI specs into clean HTML. Easily visualize your API documentation with this simple tool. 🌐🚀

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https://github.com/ecristobale/microservices-springcloud-docker-kafka

System that uses dockerized Spring Cloud Microservices, implements OpenAPI with Swagger, uses Spring Cloud Streams with Kafka and Spring Cloud elements such as Config Server, Feign, Gateway and JWT. It is connected to Postgre DB and Mongo DB (dockerized aswell). Used Postman and DBeaver for testing purposes.

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https://github.com/aliakseis/hoppity

REST API example

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https://github.com/ziul/swagger-operator

A Kubernetes operator that automatically discovers services annotated with OpenAPI/Swagger documentation and aggregates their documentation in a single UI.

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Last synced: 16 May 2025

https://github.com/kimgoetzke/practice-recipes-db

A containerised, multi-user web service created to practice using PostgreSQL, the Spring framework (Security, Crypto, Data), and Docker Compose.

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Last synced: 25 Dec 2025

https://github.com/tpdlshdmlrkfmcla/covid-19_openapi

보건복지부_코로나19 감염현황 총괄 통계 OpenAPI를 활용한 플러터 앱 프로젝트

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https://github.com/romanow/openapi-generation

Public report about OpenAPI generator template customization

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https://github.com/praveen0777/multimodal-ai-assistant-with-face-recognition-emotion-analysis-gpt-based-and-object-detection-yolov8

The project introduces Maya, Multimodal AI Assistant with Face Recognition, Emotion Analysis, Voice-Controlled Interaction, GPT-Based Dialogue, and Real-Time Object Detection Using YOLOv8

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https://github.com/go-api-libs/cat-facts

Go library for the Cat Fact API. An API that shows different Cat Facts!

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https://github.com/artmann/youtube-music-video-api

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https://github.com/swagger-akka-http/swagger-scala3-enum-module

Scala3 enum support for swagger

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https://github.com/vrv501/simple-api

Simple REST based API

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https://github.com/lloydmeta/elastic-cloud-agent

Elastic Cloud AI agent

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https://github.com/joaoemanuell/shopper-node-technical-test

Api for shopper node technical test

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

An async thread-safe singleton HubSpot HTTP client

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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/codewiththomas/fom-project-server

As a project in college we are setting up a node.js webapi using express.js as framework and SQLite as database.

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Last synced: 27 Feb 2025

https://github.com/alexdemure/gadopenapi

Customize and override OpenAPI schema details in FastAPI with ease

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Last synced: 08 Apr 2025

https://github.com/aditeyas/grow-your-x

A bot that automatically tweets (posts) on Twitter (X).

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Last synced: 24 Mar 2025

https://github.com/jetalphastartup/docs

our api docs

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https://github.com/bavix/gripmock-openapi

GripMock OpenAPI Specification

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Last synced: 02 Apr 2026

https://github.com/topaztee/snyk-explorer

use open-api gtp-3 endpoint to interact with snyk.io/advisor via a 'chatbot' in the cli

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Last synced: 28 Oct 2025

https://github.com/neelagarwal98/modular-equity-research-system

A prototype application that automates financial equity research using a coordinated multi-module architecture. It combines the power of OpenAI's GPT-3.5-turbo, Serper API for Google search and RAG (Retrieval-Augmented Generation) to deliver accurate, well-sourced financial analysis reports with confidence scoring.

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Last synced: 31 Dec 2025

https://github.com/fly-playgroud/go-postman

an go postman lib

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Last synced: 18 Jan 2026

https://github.com/badsyntax/gatsby-openapi

A mono-repo with a set a gatsby plugins that can be used to build API docs from an OpenAPI specification.

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Last synced: 09 Apr 2025

https://github.com/joergschultzelutter/openapi-to-robot-framework-datadriver-testgenerator

Generates a fully-fledged Robot Framework Datadriver test and (optional) Jira/XRay test tickets from an OpenAPI V3 JSON/YAML schema file.

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https://github.com/ddonamaria/test-auth

[Prueba técnica] - Microservicio de autenticación mediante token.

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https://github.com/osminogin/oraaange

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https://github.com/rodrigokamada/angularsp-202210

Repositório utilizado no evento AngularSP com o tema "API REST em Node.js: Boas práticas em produção".

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https://github.com/andyfrith/hono-api-starter

An API starter project built using the Hono web application framework.

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https://github.com/ecristobale/ddd-microservices-springcloud-docker-kafka

System that uses dockerized Spring Cloud Microservices, applies Domain Driven Design (DDD), implements OpenAPI with Swagger, uses Spring Cloud Streams with Kafka and Spring Cloud elements such as Config Server, Feign, Gateway and JWT. It is connected to Postgre DB and Mongo DB (dockerized aswell). Used Postman and DBeaver for testing purposes.

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https://github.com/gopireddy99/receipe_finder

🔍 Recipe Finder is a smart web application that helps users discover delicious recipes by simply entering the ingredients they have. Built with TypeScript, Tailwind CSS, and Python, it offers an intuitive interface and intelligent recipe suggestions based on user input.

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https://github.com/awtkns/openapi-perf-action

Github App and Action Allowing for CI/CD of OpenApi-Perf in Github

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https://github.com/christianhelle/refitter-action

Generate Refit API Client using Refitter

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https://github.com/BuildFrom/Specifications

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https://github.com/iamgoatki/messendger_windl

Mини-приложение, реализующее функционал чата с возможностью отправки сообщений, их хранения в базе данных и создания групповых чатов.

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https://github.com/rpstreef/openapi-node-example

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https://github.com/chompfoods/sdk-java

Java SDK for the Chomp Food & Recipe Database API. Use our API to get high-quality data on recipes and 875,000+ branded/grocery foods plus raw ingredients.

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https://github.com/bts-lasalle-avignon-ressources/api-http-rest

Les API HTTP REST (OpenAPI, Esp32 & Raspberry Pi)

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https://github.com/kleister/kleister-ruby

Kleister: SDK for Ruby

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https://github.com/vincentbollaert/turborepo-playground

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https://github.com/bujosa/alzirr

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