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: 2026-06-26 00:18:49 UTC
JSON Representation

https://github.com/hellosign/dropbox-sign-ruby

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https://github.com/cynthiapeter/cynthiapeter

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https://github.com/niradler/micro-swagger

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https://github.com/onesignal/api

API Reference. OpenAPI Specification files for OneSignal's REST API.

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https://github.com/opensourcewebsite-org/apidocs-opensourcewebsite-org

OpenSourceWebsite API Documentation

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https://github.com/danfmaia/codequery-api

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https://github.com/husniadil/next-swagger-ui

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https://github.com/havendv/moexiis

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https://github.com/zeon256/satay-rs

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https://github.com/rookie-luochao/create-vite-vue-app

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https://github.com/alextselegidis/easyappointments-sdk

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https://github.com/delimit-ai/delimit-action

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https://github.com/orisai/openapi

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https://github.com/smridge/swagcov

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https://github.com/sliveryou/swag2md

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https://github.com/peterfritz/swaggerviewer

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https://github.com/osteel/openapi-httpfoundation-testing-laravel-example

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https://github.com/20steps/uptime-robot-bundle

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https://github.com/gregorip02/openapi-generator

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https://github.com/codyadam/rclone-rc

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https://github.com/vtramo/na-tour

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https://github.com/specmatic/specmatic-mcp-sample-with-spec-kit

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