Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
The 2.x branch is a complete rewrite. Originally, it was a submodule of the Authorize.net API project (http://drupal.org/project/authnet), but we decided to break it out into it's own, and the previous maintainer of uc_authnet agreed to combine efforts.