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npm Version npm Downloads Test Status MIT Licensed oauthjs Slack

Complete, compliant and well tested module for implementing an OAuth2 server in Node.js.

Note: After a period of hiatus, this project is now back under active maintenance. Dependencies have been updated and bug fixes will land in v3 (current master). v4 will be mostly backwards compatible with no code changes required for users using a supported node release. More details in #621.


npm install oauth2-server

The oauth2-server module is framework-agnostic but there are several officially supported wrappers available for popular HTTP server frameworks such as Express and Koa. If you're using one of those frameworks it is strongly recommended to use the respective wrapper module instead of rolling your own.


  • Supports authorization_code, client_credentials, refresh_token and password grant, as well as extension grants, with scopes.
  • Can be used with promises, Node-style callbacks, ES6 generators and async/await (using Babel).
  • Fully RFC 6749 and RFC 6750 compliant.
  • Implicitly supports any form of storage, e.g. PostgreSQL, MySQL, MongoDB, Redis, etc.
  • Complete test suite.


Documentation is hosted on Read the Docs.


Most users should refer to our Express or Koa examples.

More examples can be found here:

Upgrading from 2.x

This module has been rewritten using a promise-based approach, introducing changes to the API and model specification. v2.x is no longer supported.

Please refer to our 3.0 migration guide for more information.


To run the test suite, install dependencies, then run npm test:

npm install
npm test