The Newtek shopping cart is already integrated with PayJunction. Simply select PayJunction as the Payment Gateway and provide your PayJunction QuickLink Login and Password.
QuickLink API Login and Password
To see how to set your QuickLink API login and password, click this link:
If you need additional assistance, please contact Newtek support:
Newtek Support: 877-323-HOST (http://www.newtekwebhosting.com)