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/alexandrelamberty/nasa-neows-api-spec
:rock: NASA Near Earth Object Web Service API Specification.
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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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https://github.com/simplicitesoftware/module-openapitools
OpenPAI / Swagger tools for the Simplicité low code platform
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https://github.com/mixer-sys/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/yoshinariyamanaka/openapi-with-express
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https://github.com/jeremi/registry-docs
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https://github.com/flaviomarcio/qapidoc
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https://github.com/derkork/quarkus-kotlin-openapi
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https://github.com/vicjun22/contract-first-with-swagger_spring-boot
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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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Versioned public API contracts, schemas, integration guides, and SDK references for NeuroCAD.
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https://github.com/pourjanali/dasht-api-docs
Interactive documentation for Dasht API version 104, built with Swagger UI. This repository hosts the static files necessary to publish comprehensive API documentation through GitHub Pages, providing developers with an intuitive interface to explore endpoints, test requests, and understand request/response schemas.
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https://github.com/kacperfaber/codziennemotto_pl_server
🎈 Spring API for CodzienneMotto.pl. Allows you to create a lists of daily quotes, invite users to join your list and schedule quote to specific day 🎈
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https://github.com/soenneker/soenneker.bitly.openapiclientutil
A thread-safe utility for obtaining Bitly's OpenApiClient singleton.
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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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A thread-safe singleton HttpClient for Vercel's OpenAPI integration.
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https://github.com/soenneker/soenneker.cloudflare.utils.client
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A thread-safe singleton HttpClient for PayPal's OpenAPI integration.
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https://github.com/soenneker/soenneker.composio.httpclients
A thread-safe singleton HttpClient for Composio's OpenAPI integration.
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A thread-safe singleton HttpClient for SendGrid's OpenAPI integration.
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https://github.com/soenneker/soenneker.trulioo.openapiclient
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A thread-safe singleton HttpClient for Wikimedia's OpenAPI integration.
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https://github.com/egonw/nextprot-openapi-grlc
OpenAPI for NextProt based on SPARQL queries and Grlc annotation
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https://github.com/shearichard/flask-for-redux-testing
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https://github.com/soenneker/soenneker.pipedrive.httpclients
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https://github.com/soenneker/soenneker.bandwidth.openapiclientutil
A thread-safe utility for obtaining Bandwidth's OpenApiClient singleton.
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https://github.com/soenneker/soenneker.sentry.openapiclient
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https://github.com/oxhq/oxcribe
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https://github.com/soenneker/soenneker.spotify.openapiclientutil
A thread-safe utility for obtaining Spotify's OpenApiClient singleton.
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https://github.com/soenneker/soenneker.telnyx.openapiclient
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https://github.com/arkptz/mitm2openapi
Convert mitmproxy flow dumps and HAR files to OpenAPI 3.0 — fast Rust alternative to mitmproxy2swagger with HAR support
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https://github.com/mohammadbekran/food-management-app
A food delivery and management system built with NestJS, TypeScript, and PostgreSQL.
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https://github.com/soenneker/soenneker.calcom.openapiclientutil
A thread-safe utility for obtaining CalCom's OpenApiClient singleton.
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https://github.com/soenneker/soenneker.workos.httpclients
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https://github.com/soenneker/soenneker.intercom.openapiclientutil
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https://github.com/soenneker/soenneker.sixtyfour.httpclients
A thread-safe singleton HttpClient for Sixtyfour's OpenAPI integration.
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https://github.com/soenneker/soenneker.elevenlabs.openapiclientutil
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https://github.com/soenneker/soenneker.dnsimple.openapiclientutil
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https://github.com/soenneker/soenneker.windmill.httpclients
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https://github.com/definancy/definancy-spec
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https://github.com/cl0v1s/openapi-mcpify
Turn any OpenAPI spec into a live MCP server — with built-in confirmation prompts for mutating operations.
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https://github.com/soenneker/soenneker.posthog.httpclients
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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/amandeepkaur1804/weather
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https://github.com/sjefvanleeuwen/gemma-zaken
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