This Authorize.net payment gateway for JoomSuite Registration Pro uses the NVP method for transmission of information so that the user never leaves the site and all the processing is performed behind the scenes.
Special Requirements: SSL certificate.
Now with AVS support.
The system now passes the following fields to the authorize.net system. Turn them on or off as you need them.
Company, Country, Street, zip, state, phone, fax
For more information you can check the Authorize.net site.
This gateway has a DEBUG mode that let us see what was being exchanged and the author was able to quickly provide us with a work-around to get past the issue.