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: 2026-04-05 00:18:14 UTC
- JSON Representation
https://github.com/golang-tool/openapi2jsonschema
Convert OpenAPI definitions into JSON schemas for all types in the API
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My wife is beautiful but a newbie of Python, R and SAS.
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https://github.com/lenaar/column-operations-api
Flask API with basic calculations
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https://github.com/marianmeres/file-based-routes
Mirror filesystem based routes to express endpoints.
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https://github.com/yo-mah-ya/openapi-with-express
OpenAPI-with-Express implemented in TypeScript
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https://github.com/brainstorm/htsget-rust
OpenAPI v3 codegen for GA4GH htsget specification
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https://github.com/abrehan2/dynamo
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https://github.com/eukolos/product-service
Basic API for using microservices' cases
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https://github.com/gridaco/postgrest-openapi
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Generating OpenApi specifications and API management policies from Azure Logic App Standard
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https://github.com/saikiran6694/dall-e-image-generation
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🟢 Set up GitHub Actions workflow with OpenAPI Generator.
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https://github.com/davidogalo/appointmentscheduler
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https://github.com/90dy/ts-openapis
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https://github.com/sookwalinga/ask_sam
Web app consuming the openAI GPT3 api. Feel free to "ask sam anything" 😉
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https://github.com/alessandro1918/swagger-api
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https://github.com/badsyntax/mailinabox-api-php
PHP client SDK for the Mail-in-a-Box API.
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https://github.com/belgif/openapi-organization
Reusable OpenAPI components about organizations
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Generate standalone HTML from OpenAPI Specification. 📗
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Ticket marketplace API. https://api.mkloz.com/uevent/api/docs
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https://github.com/foncki/time-complexity-calculator
This Chrome extension allows you to easily calculate the time complexity of a function. This tool is useful for software developers looking to optimize their code and improve its performance. With this extension, you can quickly and easily determine the efficiency of your functions and make informed decisions about how to optimize them.
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Loading resources from various locations into referencing registries
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https://github.com/opifexm/sixcitiesserver
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https://github.com/go-api-libs/jobicy
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React web app with a Node.js API and a MongoDB database on Azure. The blueprint includes sample application code (a ToDo web app) which can be removed and replaced with your own application code. Add your own source code and leverage the Infrastructure as Code assets (written in Terraform) to get up and running quickly.
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https://github.com/alfarseniko/ai-accountability
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A thread-safe utility for obtaining Intercom's OpenApiClient singleton.
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https://github.com/gabireze/password-generator-api
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