EC Authorize.net is easy to use WordPress Plugin and can be installed in just a few minutes.
Authorize.net is most widely used payment gateway to process payments online and accepts Visa, MasterCard, Discover and other variants of cards.
Non-profits and eCommerce sites will using EC_Authorize.net to Quickly and Easily add one time and donations/Payments to their websites. It works with your existing WordPress theme and content. No changes required. Just install and start getting payments/donations through Authorize.net.
Your Thoughts => http://ecarobar.com/ec-authorize-net/
Sample Usage: [authorize_net amount=56]