Yesterday afternoon we made a new Alpha release of Pay for Drupal available.  What is Pay you might ask? At it's core Pay is a modular API for accepting, processing and tracking payments.  If you want to be able to accept payments on your Drupal site for simple transactions with out "Add to cart" or complicated checkout procedures then Pay is for you!  To learn more about Pay, take a look at our blog post last week and check out the project page.

As part of the Pay API we provide a set of base classes which can be extended to provide payment forms or payment methods and gateways. ...