🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.0 format
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Directory of API definitions in OpenAPI(aka Swagger) 2.0 and 3.0 formats.
API access to collection: Go! - We also have an RSS Feed

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Our goal is to create the most comprehensive, standards-compliant and up-to-date directory of machine-readable API definitions with the following principles:

  • Open source, community driven project.
  • Only publicly available APIs (free or paid).
  • Anyone can add or change an API, not only API owners.
  • All data can be accessed through a REST API.

If you want to reference this project and you need an icon or even a banner, check our branding guide.

The project was started by Ivan Goncharov of APIs.guru, it is now maintained by Mike Ralphson of Mermade Software. Check out our other OpenAPI-related projects.

APIs.guru provide services and consultancy around GraphQL, OpenAPI/Swagger spec and APIs in general. You can contact us at founders@apis.guru / mike.ralphson@gmail.com

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What does APIs.guru do?

  • Filter out private and non-reliable APIs
  • Convert non-OpenAPI formats into OpenAPI(fka Swagger) 2.0
  • Fix mistakes, ~80% of definitions have some
  • Add additional data, like: logo, categories, …
  • Update definitions on at least a weekly basis

API definition acceptance criteria

  • Public - anyone can access it as long as they follow some clearly defined steps (subscribe, pay fees, etc.).
  • Persistant - API is made with long-lived goal, and not for a particular event (conference, hackathon, etc.).
  • Useful - API should provide useful functionality not only for its owner.

Update procedure

All definitions are automatically updated from their original source. You can see this under x-origin property inside each of swagger.yaml files. We run our update script at least weekly and manually check diffs before commit. If you see some APIs are not updated for more than 2 weeks please open an issue.

Existing integrations

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Also used as test suite in the following projects:

  • ReDoc - Swagger-generated API Reference Documentation
  • swagger-parser - Swagger 2.0 parser and validator for Node and browsers
  • SwaggerProvider - F# Type Provider for Swagger
  • ardoq-swagger-addon - Ardoq Open API (Swagger) Addon
  • swagvali - Module to build validators for Swagger(OpenApi) Request parameters and Response objects
  • swagger-search - An application that collects and indexes swagger docs from your microservices architecture

Integration with 3rd-party services

We discourage you from using Github RAW links or Git directly, the repository structure may change in the future. Instead, we strongly recommend you to use our REST API.

Licenses

All code is released under the MIT licence.
All API definitions contributed to project by authors are covered by the CC01.0 license.
All API definitions acquired from public sources under the Fair use principle.

Definition sources

Some definitions are taken from Open Source projects:

Contributors

This project exists thanks to all the people who contribute. [Contribute].

Backers

Thank you to all our backers! πŸ™ [Become a backer]

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

Partners

Support this project by becoming a partner. Your logo will show up here with a link to your website. [Become a partner]