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:

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

The library doesn't have any dependencies, but making Nokogiri available in your environment will greatly improve the speed of XML and HTML processing.


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 Durán. 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:

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