SIM Integration This is the method you should use if your site IS NOT secure. This will send your customers to a secure server at Authorize.Net to enter their credit card and billing information. After their card has been charged, they will be provided a link to return to your site. AIM Integration This is the method you should use if your site IS secure. Your customers will enter their credit card and billing information at your site. When they click submit, the script will post the information to the credit card process server (Authorize.Net) and return with a 'succuss' or 'error' response. Advantage - Customer do NOT need to click a link to get back to your site to complete a transaction.

This site uses AIM Integration