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/soenneker/soenneker.sentry.openapiclientutil
A thread-safe utility for obtaining Sentry's OpenApiClient singleton.
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Last synced: 11 Jun 2026
https://github.com/soenneker/soenneker.bitly.openapiclientutil
A thread-safe utility for obtaining Bitly's OpenApiClient singleton.
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Last synced: 06 Jun 2026
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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Last synced: 22 Apr 2026
https://github.com/soenneker/soenneker.zoho.openapiclientutil
A thread-safe utility for obtaining Zoho's OpenApiClient singleton.
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Last synced: 07 Jun 2026
https://github.com/soenneker/soenneker.discord.openapiclient
A .NET client generated from the Discord OpenAPI schema, updated daily
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Last synced: 22 Apr 2026
https://github.com/soenneker/soenneker.adyen.openapiclient
A .NET client generated from the Adyen OpenAPI schema, updated daily
adyen adyenopenapiclient client csharp dotnet kiota openapi openapiclient
Last synced: 10 May 2026
https://github.com/soenneker/soenneker.sendgrid.openapiclientutil
A thread-safe utility for obtaining SendGrid's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.adyen.httpclients
A thread-safe singleton HttpClient for Adyen's OpenAPI integration.
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Last synced: 03 May 2026
https://github.com/soenneker/soenneker.cloudflare.utils.client
An async thread-safe singleton for the Cloudflare OpenApiClient
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Last synced: 10 Jun 2026
https://github.com/soenneker/soenneker.workos.openapiclientutil
A thread-safe utility for obtaining WorkOs's OpenApiClient singleton.
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Last synced: 02 May 2026
https://github.com/soenneker/soenneker.plaid.openapiclient
A .NET client generated from the Plaid OpenAPI schema, updated daily
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Last synced: 28 Apr 2026
https://github.com/soenneker/soenneker.paypal.httpclients
A thread-safe singleton HttpClient for PayPal's OpenAPI integration.
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Last synced: 10 Jun 2026
https://github.com/soenneker/soenneker.highlevel.openapiclient
A HighLevel .NET client generated from their OpenAPI schema, updated daily
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Last synced: 08 May 2026
https://github.com/soenneker/soenneker.trulioo.openapiclient
A .NET client generated from the Trulioo OpenAPI schema, updated daily
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Last synced: 06 May 2026
https://github.com/soenneker/soenneker.wikimedia.httpclients
A thread-safe singleton HttpClient for Wikimedia's OpenAPI integration.
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Last synced: 09 Jun 2026
https://github.com/soenneker/soenneker.vercel.openapiclient
A Vercel .NET client generated from their OpenAPI schema, updated daily
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Last synced: 23 Apr 2026
https://github.com/soenneker/soenneker.shippo.openapiclientutil
A thread-safe utility for obtaining Shippo's OpenApiClient singleton.
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Last synced: 07 Jun 2026
https://github.com/soenneker/soenneker.pipedrive.httpclients
A thread-safe singleton HttpClient for Pipedrive's OpenAPI integration.
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Last synced: 23 Apr 2026
https://github.com/soenneker/soenneker.sentry.openapiclient
A .NET client generated from the Sentry OpenAPI schema, updated daily
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Last synced: 08 May 2026
https://github.com/soenneker/soenneker.spotify.openapiclientutil
A thread-safe utility for obtaining Spotify's OpenApiClient singleton.
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Last synced: 07 Jun 2026
https://github.com/soenneker/soenneker.telnyx.openapiclient
A Telnyx .NET client generated from the Telnyx OpenAPI schema, updated daily
csharp dotnet openapi openapiclient schema sms telephony telnyx telnyxopenapiclient util voice
Last synced: 27 May 2026
https://github.com/soenneker/soenneker.calcom.openapiclientutil
A thread-safe utility for obtaining CalCom's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.workos.httpclients
A thread-safe singleton HttpClient for WorkOs's OpenAPI integration.
api csharp dotnet httpclient httpclients openapi singleton workos workosopenapihttpclient
Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.sixtyfour.httpclients
A thread-safe singleton HttpClient for Sixtyfour's OpenAPI integration.
csharp dotnet httpclient httpclients openapi singleton sixtyfour sixtyfouropenapihttpclient
Last synced: 24 Apr 2026
https://github.com/soenneker/soenneker.elevenlabs.openapiclientutil
A thread-safe utility for obtaining ElevenLabs's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.firecrawl.openapiclientutil
A thread-safe utility for obtaining Firecrawl's OpenApiClient singleton.
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Last synced: 11 Jun 2026
https://github.com/soenneker/soenneker.dnsimple.openapiclientutil
An async thread-safe singleton for DNSimple OpenApiClient
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Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.windmill.httpclients
A thread-safe singleton HttpClient for Windmill's OpenAPI integration.
csharp dotnet httpclient httpclients openapi singleton windmill windmillopenapihttpclient
Last synced: 02 May 2026
https://github.com/soenneker/soenneker.mailgun.openapiclientutil
A thread-safe utility for obtaining Mailgun's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/cl0v1s/openapi-mcpify
Turn any OpenAPI spec into a live MCP server — with built-in confirmation prompts for mutating operations.
Last synced: 24 Apr 2026
https://github.com/tdspora/tdm_rulesgen
FastAPI service for safe rule parsing, compilation, preview execution, and sandbox-backed dataset generation.
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Last synced: 24 Apr 2026
https://github.com/amandeepkaur1804/weather
This web app fetches and displays real-time weather data for any city using the OpenWeatherMap API with a dynamic UI.
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Last synced: 24 Apr 2026
https://github.com/soenneker/soenneker.netlify.openapiclientutil
A thread-safe utility for obtaining Netlify's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/tonystrawberry/playground.openapi.generator
🚀 Demo project with OpenAPI Generator & Typescript
Last synced: 25 Apr 2026
https://github.com/voznov/zod-dto
Zod to DTO classes for TypeScript & NestJS & OpenAPI
dto json-schema nestjs nestjs-zod openapi swagger typescript validation zod zod-dto
Last synced: 06 Jun 2026
https://github.com/two-weeks-team/previewforgeforclaudecode
3-DD Methodology: PreviewDD → SpecDD → TestDD. 143 Opus 4.7 agents turn one-line idea → frozen full-stack app. Claude Code plugin. Built with Opus 4.7 hackathon.
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Last synced: 26 Apr 2026
https://github.com/huksley/swagger-explorer
Run Swagger UI locally against a folder of OpenAPI or Swagger specifications
Last synced: 26 Apr 2026
https://github.com/soenneker/soenneker.openrouter.openapiclientutil
A thread-safe utility for obtaining OpenRouter's OpenApiClient singleton.
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Last synced: 02 Jun 2026
https://github.com/jinjihuang88-ui/maplebridge-open
Public API docs for MapleBridge, a North America to China B2B supplier matching platform.
ai b2b china-sourcing llm openapi small-commodity supply-chain trade-matching webhook yiwu
Last synced: 27 Apr 2026
https://github.com/asafr-dev/supportdesk-api
SupportDesk tickets API (FastAPI): API-key auth, SQLAlchemy/Postgres, OpenAPI docs, tests, CI.
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Last synced: 27 Apr 2026
https://github.com/robinmordasiewicz/f5xc-api-enriched
Enriched F5 Distributed Cloud OpenAPI specifications with CLI metadata
Last synced: 25 May 2026
https://github.com/bonukai/typescript-routes-to-openapi
Extract REST API routes from TypeScript files and generate OpenAPI documentation and input validators
Last synced: 27 Apr 2026
https://github.com/foxfriends/openfetch
Fetch-like OpenAPI client library
fetch-api openapi openapi3 swagger
Last synced: 27 Apr 2026
https://github.com/echelon-solutions/swagger-codegen-router-template
A template for swagger-codegen that generates a Node.js project that validates and routes requests to a url.
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Last synced: 28 Apr 2026
https://github.com/ricardozanini/openapi-codegen-poc
Proof Of Concept of OpenAPI Generator Embedded Codegen with Serverless Workflow SDK
Last synced: 28 Apr 2026
https://github.com/mpreu/husqvarna-api-clients
Autogenerated API clients for Husqvarna APIs.
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Last synced: 28 Apr 2026
https://github.com/ucl/isenseflu-openapi
OpenAPI Definitions for i-sense flu API
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https://github.com/dacr/primes-server-akkahttp
primes http service with API
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https://github.com/bamp/arrobavolver-api
API foundation for end-to-end product prototypes (contracts, integrations, flows)
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Last synced: 28 Apr 2026
https://github.com/nakasar/serverless-api-doc-generator
Generate Documentation API from serverless.yml and JS docstrings.
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Last synced: 28 Apr 2026
https://github.com/n8n-code/n8n-nodes-uniswap
Uniswap decentralized trading protocol for automated liquidity provision and token swaps across multiple blockchains
api automation n8n n8n-community-node n8n-node openapi swagger uniswap workflow
Last synced: 08 Jun 2026
https://github.com/harmindersinghnijjar/question-translator-python
A Python program to translate GPT-3 answers from English to Punjabi using OpenAI and Google Translate.
googletrans gpt-3 openapi python tkinter
Last synced: 29 Apr 2026
https://github.com/valerii15298/openapi-spec
OpenAPI Specification Rendered with Astro Starlight
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Last synced: 29 Apr 2026
https://github.com/fs-frost/openapi2go
CLI tool to generate Go code from OpenAPI specifications.
Last synced: 29 Apr 2026
https://github.com/fibercrypto/skycoinr
Skycoin client libraries for the R programming language
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Last synced: 29 Apr 2026
https://github.com/leanhanc/hono-betterauth-openapi-starter
A Hono 🔥 starter project using Drizzle ORM and Stoker helpers, featuring Better Auth integration and API documentation powered by OpenAPI.
better-auth drizzle-orm hono openapi pino scalar
Last synced: 29 Apr 2026
https://github.com/kanryu/validagen
A validator generator for structs/maps for your go applications.
generator go openapi ozzo-validation validator
Last synced: 29 Apr 2026
https://github.com/danhpaiva/pbh.smfa.viagensservidor.api.net
Web Api .Net 8 e Docker
docker entity-framework-core openapi pbh prefeitura-bh sqlite webapp xunit xunit-tests
Last synced: 29 Apr 2026
https://github.com/av/tools
Docker image for installing and running tools for LLM agents (MCP, OpenAPI, UVX, NPX, Python)
agents containerization docker image llm mcp openapi package tools
Last synced: 29 Apr 2026
https://github.com/echelon-solutions/swagger-node-vagrant
A portable Vagrant environment for running swagger-node to quickly create APIs.
api oas openapi swagger swagger-node swagger-specification vagrant
Last synced: 30 Apr 2026
https://github.com/mreiche/marketstack-openapi
Generated OpenAPI for Marketstack
Last synced: 30 Apr 2026
https://github.com/mahmudindev/oreno-comicking-openapi-python
Python-based generated ComicKing OpenAPI client.
Last synced: 30 Apr 2026
https://github.com/alessandro1918/swagger-api
Um exemplo de documentação de rotas de API com Swagger. Especificação de endpoints, parâmetros, retorno, tudo facilmente documentável e consultável em uma página web disponível em uma rota da própria API.
Last synced: 30 Apr 2026
https://github.com/woile/drf-serializers
exploring DRF Serializers with OpenAPI
django-rest-framework drf openapi python3 serializers
Last synced: 30 Apr 2026
https://github.com/thanadolps/swarch_rest
Simple REST API Assignment as part of Chulalongkorn 2110521 Software Architecture course.
Last synced: 30 Apr 2026
https://github.com/kwaytv/hono-steamer-api
⚡ High-performance Steam profile resolver API with MySQL-powered smart caching system | Built with Hono & TypeScript 🚀
hono openapi steam-api typescript
Last synced: 30 Apr 2026
https://github.com/toshiemon18/schemar
Design and generate OpenAPI schema with Ruby models
Last synced: 30 Apr 2026
https://github.com/iamyasinkaya/morwinyon
Morwinyon, geliştiricilere var olan .NET yazılım projelerine ek işlevsellikler kazandırmak için tasarlanmış bir NuGet paketi uzantısıdır.
caching extension openapi swagger validation versioning
Last synced: 30 Apr 2026
https://github.com/apisyouwonthate/openapinotswagger.com
Next.js repo for openapinotswagger.com
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Last synced: 30 Apr 2026
https://github.com/soldarlabs/oapi-litegraph-nodegen
Generate dynamic and callable Litegraph nodes from OpenAPI specifications, enabling seamless API integration in a visual programming environment.
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Last synced: 01 May 2026
https://github.com/yinchi/openapi-cli
CLI for working with APIs using the OpenAPI specifications
openapi openapi-cli python-click
Last synced: 01 May 2026
https://github.com/webitel/webitel-openapi-client-go
Webitel OpenAPI Client for Go
Last synced: 01 May 2026
https://github.com/ugurcan-aytar/rampart
Cloud-agnostic supply chain incident response engine. One OpenAPI contract, four consumers: Backstage plugin, GitHub Action, CLI, Slack. Go + Rust, stdlib-first.
backstage clean-architecture cli devsecops github-actions golang incident-response monorepo openapi platform-engineering rust sbom supply-chain-security typescript
Last synced: 01 May 2026
https://github.com/block65/openapi-codegen
Opinionated OpenAPI Typescript code generator
Last synced: 02 May 2026
https://github.com/edavis25/crypto_history_api
API for retrieving personally scraped historic crypto price data from various exchanges.
crypto cryptocompare cryptocurrency influxdb laravel openapi openapi3 php poloniex
Last synced: 02 May 2026
https://github.com/the-orange-alliance/toa-docs
📄Swagger Docs site hosting The Orange Alliance's OpenAPI Spec
first-tech-challenge ftc openapi swagger the-orange-alliance
Last synced: 02 May 2026
https://github.com/soenneker/soenneker.shippo.openapiclient
A .NET client generated from the Shippo OpenAPI schema, updated daily
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Last synced: 07 May 2026
https://github.com/colorfulcompany/node-indeed-job-campaign-api-client
Indeed Job Campaign API Client with automatically OAuth Token refreshing
foundation indeed nodejs oauth openapi
Last synced: 02 May 2026
https://github.com/ahilke/openapi-microservice-playground
A demo project to showcase and experiment with various OpenAPI technologies in a microservice environment.
graphql microservice nestjs openapi playground
Last synced: 02 May 2026
https://github.com/soenneker/soenneker.netlify.httpclients
A thread-safe singleton HttpClient for Netlify's OpenAPI integration.
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Last synced: 17 Jun 2026
https://github.com/soenneker/soenneker.dropboxsign.httpclients
A thread-safe singleton HttpClient for DropboxSign's OpenAPI integration.
api csharp dotnet dropboxsign dropboxsignopenapihttpclient httpclient httpclients openapi openapiclient singleton
Last synced: 04 Jul 2026
https://github.com/soenneker/soenneker.fastly.httpclients
A thread-safe singleton HttpClient for Fastly's OpenAPI integration.
api csharp dotnet fastly fastlyopenapihttpclient httpclient httpclients openapi openapiclient singleton
Last synced: 04 Jul 2026
https://github.com/instantan/web
Build robust web applications with pure Go. No external dependencies, just the power of the standard library.
openapi openapi3 redoc scalar swagger typescript-generator
Last synced: 03 May 2026
https://github.com/soenneker/soenneker.box.openapiclientutil
A thread-safe utility for obtaining Box's OpenApiClient singleton.
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Last synced: 05 Jul 2026
https://github.com/vicradon/petstore
A modified version of the Petstore API offered by SwaggerHub
Last synced: 03 May 2026
https://github.com/nikitadev-work/pr-manager-service
Микросервис, который автоматически назначает ревьюеров на Pull Request’ы (PR), а также позволяет управлять командами и участниками.
clean-architecture go golang http openapi postgresql
Last synced: 06 May 2026
https://github.com/soenneker/soenneker.paypal.openapiclientutil
A thread-safe utility for obtaining PayPal's OpenApiClient singleton.
api client csharp dotnet kiota openapi openapiclient openapiclientutil paypal paypalopenapiclientutil singleton util
Last synced: 03 May 2026
https://github.com/borolgs/axum-examples
Examples of using the Axum web framework
Last synced: 03 May 2026
https://github.com/srinitude/effect-json-schema
Tiny Effect Schema adapter for Standard JSON Schema V1
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Last synced: 09 Jun 2026
https://github.com/dweber019/spring-sleuth-example
With OpenApi, RestTemplate and request logging
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Last synced: 03 May 2026
https://github.com/bizrockman/modelcontextstandard
A minimal, protocol-agnostic standard to connect LLMs like drivers with external tools using existing APIs and formats like OpenAPI, HTTP, AS2, or CAN-Bus. No custom stacks. Just structured function calls.
agent-framework ai-tools design driver fastapi function-calling integration llm llmos llms mcp mcs openapi protocol
Last synced: 04 May 2026