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: 2026-07-05 00:18:41 UTC
- JSON Representation
https://github.com/pacphi/spring-ai-resos
This multi-module project hosts a client code-generated from an OpenAPI derivative of the ResOs API combined with a Spring AI implementation. It also includes an MCP server, MCP client configuration for use with Claude and a standalone ReactJS powered chatbot UI.
java model-context-protocol openapi spring-ai
Last synced: 08 Jan 2026
https://github.com/n8n-code/n8n-nodes-azure-hanaonazure
Azure SAP HANA management client.
api automation azure-hanaonazure n8n n8n-community-node n8n-node openapi swagger workflow
Last synced: 30 Jun 2026
https://github.com/n8n-code/n8n-nodes-mastercard-match
Identifies high-risk merchants pre-agreement for acquirers.
api automation mastercard-match n8n n8n-community-node n8n-node openapi swagger workflow
Last synced: 30 Jun 2026
https://github.com/n8n-code/n8n-nodes-microcks
Microcks Kubernetes-native API mocking and testing tool API.
api automation microcks n8n n8n-community-node n8n-node openapi swagger workflow
Last synced: 30 Jun 2026
https://github.com/willmeyers/stainless-cli
A work-in-progress command-line utility for interacting with Stainless. This project is in no way affiliated with or supported by Stainless.
Last synced: 19 May 2026
https://github.com/tryagi/recraft
C# SDK based on official Recraft OpenAPI specification
ai autosdk csharp dotnet image-generation langchain langchain-dotnet llm openapi sdk
Last synced: 10 Apr 2025
https://github.com/lagden-development/api.lagden.dev
The Lagden Development API. This project is currently in beta as will be improved going forward.
api fastapi mongodb openapi python redoc swagger-ui
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https://github.com/fabjan/mmocg
Massive Multiplayer Online Clicker Game server
golang learning openapi opentelemetry postgres toy
Last synced: 17 Jan 2026
https://github.com/rozhakdev/docstream_backend
Backend API for DocStream, a self-hosted privacy-focused file sharing platform built with FastAPI.
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Last synced: 06 Jul 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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https://github.com/apix-sh/cli
Local-first, progressive disclosure API discovery and browsing CLI for the agentic era.
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https://github.com/enricodeleo/aquasdk
Turn OpenAPI into a smooth, chainable SDK – with AquaSDK #OASv3 #openapi3
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https://github.com/gribbirg/application-programming-interface
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https://github.com/mauricio-dolinski/comparafipe-api
A ComparaFIPE é uma API que consulta preços de veículos com base na tabela FIPE. Ela permite que os usuários analisem e comparem preços ao longo do tempo, oferecendo uma visão mais detalhada das estatísticas de preço dos veículos.
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https://github.com/fosfad/openapi-typescript-definitions
Types and interfaces for writing valid OpenAPI specification in TypeScript.
Last synced: 21 May 2026
https://github.com/pashamakhilkumarreddy/react-openapi
React OpenAPI
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https://github.com/alfarseniko/ai-accountability
An attempt at a Headstarter AI Fellowship Hackathon. This is an app that is meant to use the OpenAI API to help you with your accountability goals.
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https://github.com/jonatandb/weatherapp_api
API of https://github.com/Jonatandb/weatherapp_frontend
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https://github.com/stainlu/stainful
The open-source Stainless — point your existing stainless.yml at it and get the same idiomatic Python SDK. Zero migration. No SaaS.
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https://github.com/nsubrahm/parl
The PARL approach for microservices
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https://github.com/tsapporg/openapi-includer-cli
Add $includes keyword support to OpenAPI specs to include files for certain parts of the spec - like paths - which $ref normally does not support.
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https://github.com/noi-techpark/opendatahub-swaggerui
Generic Swagger Instance for all Open Data Hub APIs
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https://github.com/mzubairtahir/polling-system
This is a learning project—a web application that enables users to create polls between two individuals to determine who has a larger network and garners more votes.
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https://github.com/contain3rlab/laos-postcode
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https://github.com/mimisukemaster/gemini-voicevox-for-aituber
書籍「AITuberを作ってみたら生成AIプログラミングがよくわかった件」にて、APIをOpenAIからGeminiに変更したプログラム
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https://github.com/salacoste/openapi-mcp-swagger
Solve AI context window limits for API docs | Convert any Swagger/OpenAPI to searchable MCP server | AI-powered endpoint discovery & code generation | Works with Cursor, Claude, VS Code
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Last synced: 08 Apr 2026
https://github.com/org-metalib/api-wiser
API Wiser is a tool to automate the generation of complete Maven projects for Java applications directly from your OpenAPI Specification, leveraging OpenAPI Tools to accelerate development and ensure consistency.
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https://github.com/skygenesisenterprise/lyscode-website
The LysCode.com Website
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https://github.com/rocket-org-imdeepmind/redocweb
RocketRedoc is a hosted Redoc UI instance that allows users to visualize and interact with OpenAPI documentation.
Last synced: 21 May 2026
https://github.com/danhunsaker/openapi2siege
A simple tool to convert your OpenAPI spec(s) to one or more Siege URL files
Last synced: 19 May 2026
https://github.com/alpdr/gindocnic
An OpenAPI 3.1 specification generator for Gin Web Framework
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https://github.com/belgif/openapi-location
OpenAPI data types for locations
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https://github.com/mich0232/drf-api-schema-tutorial
Django REST framework OpenAPI schema generation
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https://github.com/carturo8/eventhub
RESTful event and venue management API built with Spring Boot, JWT security, and Clean Architecture.
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https://github.com/alexandrelamberty/sentinel-api-spec
:diamond_shape_with_a_dot_inside: Home Automation and Monitoring IoT Software API Specification.
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https://github.com/alexandrelamberty/hortus-api-spec
:seedling: Gardening Planner API Specification.
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https://github.com/alexandrelamberty/nasa-neows-api-spec
:rock: NASA Near Earth Object Web Service API Specification.
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https://github.com/aleksdjukic/laravel-api-openapi
Production-style Laravel REST API with OpenAPI (Swagger), versioned endpoints and GitHub Actions CI for build and documentation validation.
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https://github.com/astoria-gouv/interieur-website
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https://github.com/soenneker/soenneker.sentry.httpclients
A thread-safe singleton HttpClient for Sentry's OpenAPI integration.
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Last synced: 02 May 2026
https://github.com/fibercrypto/libobjc-skycoin
Skycoin client library for the Objective-C programming language.
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https://github.com/koharakazuya/openapi-code-toolchain
Toolchain for OpenAPI document as code
Last synced: 01 Nov 2025
https://github.com/scaile-it/g-mcp-tools-fast
Production-ready data enrichment API with 9 AI-powered tools: web scraping, email intel, phone validation, company data, and more. SaaS-ready with OpenAPI docs.
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Last synced: 01 Nov 2025
https://github.com/xeost/xeocontext
XeoContext App.
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Last synced: 20 May 2026
https://github.com/offlabel-scaffolds/scaffold-fastapi-backend
FastAPI Python backend with SQLAlchemy, Alembic, and OpenAPI
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Last synced: 04 May 2026
https://github.com/mahmudindev/oreno-comicbagi-openapi-python
Python-based generated ComicBagi OpenAPI client.
Last synced: 20 May 2026
https://github.com/libninjacom/dhl-rs
Dhl client, generated from the OpenAPI spec
Last synced: 20 May 2026
https://github.com/labbcb/espresso-caller
Automated and reproducible tool for identifying genomic variants at scale ☕️
bioinformatics cromwell ga4gh openapi tes wes
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https://github.com/hello-sycon/sycon-api
Production API documentation for Sycon Cloud (OpenAPI + usage guide)
api-docs industrial-iot openapi redoc swagger-ui sycon
Last synced: 07 Oct 2025
https://github.com/soenneker/soenneker.swashbuckle.intellenumschemafilter
A Swashbuckle Schema filter for Intellenum
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Last synced: 02 Jun 2026
https://github.com/sillyash/swagger-ui-clickable-links-plugin
A Swagger UI plugin that automatically makes URLs in descriptions and examples clickable.
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Last synced: 07 Oct 2025
https://github.com/gunjangyl/weather_prediction
This is a simple Weather App that allows users to search for real-time weather conditions of any city using the OpenWeather API. It displays temperature, humidity, and weather conditions in a user-friendly interface. The app is built using HTML, CSS, and JavaScript for a seamless user experience.
Last synced: 02 Jan 2026
https://github.com/leadpingai/leadping-dotnet
Official .NET SDK for the Leadping API.
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https://github.com/javaaidev/openapi-mcp-server
Convert OpenAPI spec to MCP server
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https://github.com/modscleo4/midori-swaggerui
Swagger UI package for Midori framework
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https://github.com/frankkilcommins/arazzo-snippets-and-images
Little code snippets and images used for Arazzo content
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https://github.com/sajith4u/gazettequery
RAG based application for analyzing Sri Lankan government gazette files
Last synced: 07 May 2026
https://github.com/soenneker/soenneker.stytch.openapiclientutil
A thread-safe utility for obtaining Stytch's OpenApiClient singleton.
api auth client csharp dotnet kiota openapi openapiclientutil singleton stytch stytchopenapiclientutil util
Last synced: 05 Jul 2026
https://github.com/soenneker/soenneker.persona.openapiclientutil
A thread-safe utility for obtaining Persona's OpenApiClient singleton.
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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.
api openapi openapi3 swagger swagger-api swagger-ui
Last synced: 07 Oct 2025
https://github.com/lucasvmarangoni/tasklist
Rest API for task list application, developed with Express, Typescript and Prisma, applying TDD and principles of DDD
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Last synced: 09 Apr 2026
https://github.com/soenneker/soenneker.windmill.openapiclientutil
A thread-safe utility for obtaining Windmill's OpenApiClient singleton.
client csharp dotnet kiota openapi openapiclientutil singleton util windmill windmillopenapiclientutil
Last synced: 05 Jul 2026
https://github.com/kineticcookie/proto-openapi
Protobuf to OpenAPI converter
Last synced: 18 May 2026
https://github.com/go-api-libs/ipify
Go library for the ipify API. A simple public IP address API, easy to integrate into any application in seconds.
api api-client api-library go golang integration ip ipify ipify-api ipv4 ipv6 openapi openapi3
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https://github.com/bas-kirill/muse-project
[Muse Group] Frontend Academy
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https://github.com/liamvnastoria/anime-sama
The Anime-Sama Renew Interface Project
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https://github.com/amir-zouerami/schematica-backend
💥 Schematica -- A Collaborative API Documentation Platform.
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https://github.com/alisqi/combell-openapi-client
Auto-generated OpenAPI PHP client for the public Combell API
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https://github.com/fif0o/openapi-specs
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https://github.com/teverett/hsopenapi
An OpenAPI wrapper for the HomeSeer JSON API
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https://github.com/xgmsx/go-api-first-demo
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Last synced: 18 Feb 2026
https://github.com/lenaar/column-operations-api
Flask API with basic calculations
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https://github.com/tryagi/weaviate
C# SDK based on official Weaviate OpenAPI specification
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https://github.com/alexandrelamberty/openapi-stoplight-doc-action
:zap: GitHub Actions that generate API documentation from your OpenAPI specification using Stoplight.
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Last synced: 19 May 2026
https://github.com/thanospan/ngsiv2-sdk-java-auto
Auto-generated NGSI v2 SDKs for Java
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https://github.com/tobyqin/swagger-master
A lightweight, single-file Swagger UI manager for multiple OpenAPI specifications
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https://github.com/cedricziel/bondora-openapi-php
Generated client for the Bondora API
Last synced: 19 May 2026
https://github.com/mizcausevic-dev/kinetic-api-gateway
Node.js + Express REST API for B2B SaaS lead scoring, campaign visibility, and revenue workflow automation
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Last synced: 01 Jun 2026
https://github.com/kuanticacl/skill-planok
Skill instalable para agentes IA: experto en la API REST de PlanOK CRM (openapi/swagger completo, ES+EN)
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Last synced: 04 Jul 2026
https://github.com/driimus/oasin
Easily combine APIs from openapi-generated TypeScript client libraries
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Last synced: 19 Feb 2026
https://github.com/sambacha/uniswapv4-hooks-openapi
uniswap v4 hooks OpenAPI spec
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Last synced: 14 May 2026
https://github.com/alimozdemir/openapi-client-generator
This project is a VSCode extension for client-side model/request generation
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https://github.com/ahmadnassri/node-oas-request-readme
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https://github.com/taka-wang/queue-management-system
API Design for Queue Management System
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