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: 2026-03-24 00:22:14 UTC
- JSON Representation
https://github.com/lulusir/clean-js-api-gen
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A language for describing resource-oriented APIs & turning them into Swagger or resource diagrams. Oriented around the concepts we want to expose in the APIs.
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Australian Supermarket OpenAPI Specifications
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The official OpenAPI 3.0 definitions for ShipEngine™
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Daily TV News Summary using GPT
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An OpenAPI document generator. ⚙️
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https://github.com/adambien/microprofile.training
home of http://microprofile.training sample app
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OpenAPI, AsyncAPI and JSON Schema Scala models.
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https://github.com/andrewwalsh/demystify
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go-openapi-ui is an embedded OpenAPI/Swagger documentation ui for Go using OpenAPI-UI
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Chat Message Monorepo Architecture Solution using Kafka, Terraform, GKE, GCP, DockerHub,Kubernetes, Docker, Apache Camel, Python, FastAPI, Cassandra and Firestore, Next JS, React
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A light REST API designed for Open Food Facts folksonomy engine
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https://github.com/Neoteroi/essentials-openapi
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OpenAPI descriptions for Pinterest's REST API
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https://github.com/apiaddicts/openapi2postman
Project open source financed by Madrid Digital (Spain) and CloudAPPi S.L and promoted by APIAddicts. With this project, you can generate all tests automatically using a Swagger document, and you can add it to CI using newman.
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https://github.com/arcus-azure/arcus.webapi
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https://github.com/hasansezertasan/openapipages
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https://github.com/FuzzyMonkeyCo/monkey
@FuzzyMonkeyCo's minion
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https://github.com/ahrefs/jsonschema2atd
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https://github.com/technocreatives/openapi-eller
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https://github.com/schwarzit/api-linter-rules
Schwarz API rule definitions for the Spectral API linter
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https://github.com/d4vidsha/scheduler
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https://github.com/tina4stack/tina4-php
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