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Package to simplify including the Adyen payments services into a Ruby on Rails application.

Visit the wiki for documentation:

Adyen integration relies on three modes of communication between Adyen, your server and your client/customer:

  • Client-to-Adyen communication using forms and redirects.

  • Adyen-to-server communications using notifications.

  • Server-to-Adyen communication using SOAP services.

This library aims to ease the implementation of all these modes into your application. Moreover, it provides matchers, assertions and mocks to make it easier to implement an automated test suite to assert the integration is working correctly.


See the project wiki on to get started. Complete RDoc documentation for the project can be found on


This package is written by Michel Barbosa and Willem van Bergen for, and made public under the MIT license (see LICENSE). Its is currently maintained by Willem van Bergen, Stefan Borsje and Eloy Duran. We are not affiliated with Adyen B.V. The software comes without warranty of any kind, so use at your own risk.

Contributions are welcomed; this is very much a scratch your own itch project. Some notes:

  • Fork the project, implement your stuff and issue a pull request. Topic branches not necessary.

  • All functionality must include tests and preferably documentation.

  • New SOAP API calls should include functional tests that actually test if the call is working. Adyen has a nasty tendency to switch things up every now and then, so this is vital.

Please visit the changelog at to see the changes in the different releases.