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: 2026-07-02 00:22:14 UTC
- JSON Representation
https://github.com/soenneker/soenneker.workos.httpclients
A thread-safe singleton HttpClient for WorkOs's OpenAPI integration.
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Last synced: 06 Jun 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.dnsimple.openapiclientutil
An async thread-safe singleton for DNSimple OpenApiClient
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https://github.com/definancy/definancy-spec
Definancy contract โ OpenAPI wire spec + cross-language conformance suite
Last synced: 06 Jun 2026
https://github.com/soenneker/soenneker.algolia.httpclients
A thread-safe singleton HttpClient for Algolia's OpenAPI integration.
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Last synced: 06 Jun 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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https://github.com/libninjacom/benchling-rs
benchling client, generated from the OpenAPI spec
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https://github.com/soenneker/soenneker.netlify.openapiclientutil
A thread-safe utility for obtaining Netlify's OpenApiClient singleton.
client csharp dotnet kiota netlify netlifyopenapiclientutil openapi openapiclient openapiclientutil singleton util
Last synced: 06 Jun 2026
https://github.com/tonystrawberry/playground.openapi.generator
๐ Demo project with OpenAPI Generator & Typescript
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https://github.com/two-weeks-team/previewforgeforclaudecode
3-DD Methodology: PreviewDD โ SpecDD โ TestDD. 143 Opus 4.7 agents turn one-line idea โ frozen full-stack app. Claude Code plugin. Built with Opus 4.7 hackathon.
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https://github.com/soenneker/soenneker.discord.openapiclientutil
A thread-safe utility for obtaining Discord's OpenApiClient singleton.
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https://github.com/foxfriends/openfetch
Fetch-like OpenAPI client library
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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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https://github.com/bamp/arrobavolver-api
API foundation for end-to-end product prototypes (contracts, integrations, flows)
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https://github.com/n8n-code/n8n-nodes-uniswap
Uniswap decentralized trading protocol for automated liquidity provision and token swaps across multiple blockchains
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https://github.com/valerii15298/openapi-spec
OpenAPI Specification Rendered with Astro Starlight
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https://github.com/mike-brady/flask-apispec-tools
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https://github.com/kanryu/validagen
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https://github.com/mreiche/marketstack-openapi
Generated OpenAPI for Marketstack
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https://github.com/woile/drf-serializers
exploring DRF Serializers with OpenAPI
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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/ejkan/befe-660710698
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https://github.com/yinchi/openapi-cli
CLI for working with APIs using the OpenAPI specifications
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https://github.com/webitel/webitel-openapi-client-go
Webitel OpenAPI Client for Go
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https://github.com/mlafeldt/go-launchdarkly
Go client library for the LaunchDarkly REST API
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https://github.com/merkys/openapi-3to2
Convert OpenAPI v3 descriptions to v2
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https://github.com/edavis25/crypto_history_api
API for retrieving personally scraped historic crypto price data from various exchanges.
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https://github.com/soenneker/soenneker.shippo.openapiclient
A .NET client generated from the Shippo OpenAPI schema, updated daily
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https://github.com/colorfulcompany/node-indeed-job-campaign-api-client
Indeed Job Campaign API Client with automatically OAuth Token refreshing
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https://github.com/ahilke/openapi-microservice-playground
A demo project to showcase and experiment with various OpenAPI technologies in a microservice environment.
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https://github.com/soenneker/soenneker.dropboxsign.httpclients
A thread-safe singleton HttpClient for DropboxSign's OpenAPI integration.
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Last synced: 17 Jun 2026
https://github.com/soenneker/soenneker.box.openapiclientutil
A thread-safe utility for obtaining Box's OpenApiClient singleton.
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Last synced: 03 May 2026
https://github.com/soenneker/soenneker.unified.httpclients
A thread-safe singleton HttpClient for Unified's OpenAPI integration.
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https://github.com/soenneker/soenneker.paypal.openapiclientutil
A thread-safe utility for obtaining PayPal's OpenApiClient singleton.
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https://github.com/duquejo/quarkus-tokencache-microservice
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https://github.com/nebil175/lcu_dumper
๐ Discover and extract League Client Update data easily with LCU Dumper, a fast, cross-platform CLI that outputs selected API endpoints to JSON files.
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https://github.com/soenneker/soenneker.trulioo.httpclients
A thread-safe singleton HttpClient for Trulioo's OpenAPI integration.
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https://github.com/speakeasy-sdks/template-speakeasy-bar
A template for the Speakeasy Bar starter SDK.
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https://github.com/aydanrahimova/linkedinclone
This LinkedIn clone replicates key features of the professional networking platform, allowing users to manage profiles, create posts, comment, react, connect with others, follow organizations, and explore job opportunities. Advanced features include creating organizations and applying for jobs.
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https://github.com/sosokker/go-chi-oapi-codegen-todolist
Go-Nextjs todolist application with chi server oapi-codegen as handlers template + sqlc for type-safe code from SQL
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https://github.com/robsonlmds/java-screenmatch
Este projeto รฉ uma aplicaรงรฃo Java que utiliza uma API para buscar informaรงรตes sobre sรฉries de TV e seus episรณdios, permitindo que os dados sejam armazenados e listados atravรฉs de um repositรณrio.
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https://github.com/k5ki/oapigen-poc
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https://github.com/nasrmohammad4804/ticket-supporting-system
test project at least feature of ticket management
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Last synced: 05 May 2026
https://github.com/scrntprcrz/openapi-sankeylizer
Visualize your OpenAPI specs as Sankey diagrams. Upload, explore request/response flows, and export as PNG.
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Last synced: 05 May 2026
https://github.com/ferror/openapi-coverage
Symfony Command that calculates Open API documentation coverage
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https://github.com/luismendes070/desafio-parcelas
https://github.com/luismendes070/desafio-parcelas/blob/main/credit-application-system/src/test/kotlin/me/dio/credit/application/system/service/CustomerServiceTest.kt
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Last synced: 06 May 2026
https://github.com/soenneker/soenneker.together.openapiclient
A .NET client generated from the Together AI OpenAPI schema, updated daily
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Last synced: 06 May 2026
https://github.com/pagarciasima/controlgastos-backend
Proyecto de control de gastos (Spring boot)
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https://github.com/soenneker/soenneker.intercom.openapiclient
A .NET client generated from the Intercom OpenAPI schema, updated daily
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Last synced: 07 May 2026
https://github.com/rashidintheworld/file-document-restapi
This project contains a collection of services that perform step-by-step PDF creation. It allows users to convert any text in PDF format by setting font, color and RGB properties through a single API. I shared the project on GitHub and am open to development.
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https://github.com/soenneker/soenneker.fastly.openapiclient
A .NET client generated from the Fastly OpenAPI schema, updated daily
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https://github.com/soenneker/soenneker.openaq.openapiclientutil
A thread-safe utility for obtaining OpenAq's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/openapi-processor/openapi-processor-json
converts an openapi yaml file to an openapi.json file
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Last synced: 07 May 2026
https://github.com/zejnilovic/gh-openapi-preview
A Chrome extension that adds an OpenAPI Preview tab to GitHubโs file view for OpenAPI specs
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Last synced: 08 May 2026
https://github.com/aditeyas/grow-your-x
A bot that automatically tweets (posts) on Twitter (X).
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https://github.com/todofixme/openapi-showcases
How different OpenAPI generators might help to build stable REST APIs.
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https://github.com/pixxiti/oax
Open API Spec validation and client generation tooling for Typescript
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Last synced: 08 May 2026
https://github.com/mrtaz77/pantrypal
PantryPal is a pantry management app to keep track of pantry items by add, remove or update quantities using Next.js, MaterialUI and Firebase
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https://github.com/met-dev/gamesellingproject
Game Sales Project Backend Side. Tech Stack= ASP.Net, EntityFramework, Code First
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https://github.com/toliyansky/openapi-spring-generator-example
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https://github.com/thalida/openapi-docs-viewer
Display interactive OpenAPI schema documentation in VSCode
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https://github.com/soenneker/soenneker.openaq.openapiclient
A .NET client generated from the OpenAQ OpenAPI schema, updated daily
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Last synced: 09 May 2026
https://github.com/soenneker/soenneker.replicate.openapiclient
A .NET client generated from the Replicate OpenAPI schema, updated daily
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Last synced: 09 May 2026
https://github.com/soenneker/soenneker.rebrickable.openapiclient
A Rebrickable .NET client generated from the Rebrickable OpenAPI schema, updated daily
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Last synced: 15 May 2026
https://github.com/charconstpointer/ihateannotations
Example combining buf, Protobuf, gRPC, gRPC Gateway and OpenAPI
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Last synced: 09 May 2026
https://github.com/minericefield/smartphone-app-designers-portfolio-api-docs
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https://github.com/rafhael-s-p/rest-api-studies
API for study purposes
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Last synced: 12 Apr 2026
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/grparry/swaggertomcp
๐ Convert Swagger/OpenAPI specs into Model Context Protocol (MCP) tool definitions for agentic AI compatibility.
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Last synced: 11 May 2026
https://github.com/pidelport/onfido-openapi-rust
Onfido OpenAPI client for Rust
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https://github.com/soenneker/soenneker.loops.clientutil
An async thread-safe singleton for Loops OpenApiClient
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https://github.com/mmmylnikov/django-ninja-api-template
Flexible Django Ninja API template with PostgreSQL full-text search and gRPC integration examples.
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Last synced: 13 Apr 2026
https://github.com/antoniojvargas/smartcar
A Node.js and Express API that simulates Smartcar vehicle endpoints, including vehicle info, doors, fuel, battery, and engine control. Includes Swagger (OpenAPI) documentation and unit tests with Mocha, Chai, and Sinon.
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Last synced: 13 Apr 2026
https://github.com/astroway/astroway-python
Official Python SDK for the AstroWay API โ sync + async clients, Pydantic models, type-safe, retry-aware, generated from OpenAPI 3.1. Natal charts, synastry, transits, Vedic, Tarot, Human Design, AI horoscopes. Python 3.10+, py.typed.
api astrology astroway async asyncio horoscope httpx human-design natal-chart numerology openapi py-typed pydantic python sdk swiss-ephemeris synastry tarot type-safe vedic-astrology
Last synced: 30 May 2026
https://github.com/martinm85/openapi-dotnet-tools
Reads Open API document, generates Markdown files and markmap files
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https://github.com/tbosak/specbridge
Turn OpenAPI Specs into MCP Tools
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https://github.com/kadykov/mcp-openapi-schema-explorer
MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resources for client-side exploration.
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https://github.com/govuk-one-login/spec-retriever
Retrieves OpenAPI specs from GitHub repos.
Last synced: 18 Jan 2026
https://github.com/mcsym28/liqpay-api-ex
LiqPay API client for Elixir
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https://github.com/sbyeol3/movie-list
Demo Web Listing Movies with Open Movie API ๐ซ
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https://github.com/soenneker/soenneker.highlevel.runners.openapiclient
Automatically updates the Soenneker.HighLevel.OpenApiClient package
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https://github.com/fibercrypto/libskycoin-ruby
Skycoin client libraries for the Ruby programming language
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https://github.com/soenneker/soenneker.trustedform.runners.openapi.certificates
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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/openxapi/binance-py
Python client for Binance API
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https://github.com/ke4nec/swagger-ui-electron
Wrap Swagger UI with Electron
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Last synced: 13 May 2026
https://github.com/mermade/oas-containers
Docker/podman containers for OAS documentation and registry
Last synced: 06 Jul 2025
https://github.com/darkmtrance/api-first
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https://github.com/soenneker/soenneker.n8n.openapiclientutil
A thread-safe utility for obtaining N8n's OpenApiClient singleton.
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Last synced: 31 May 2026