PayJunction has been added as a payment gateway through SparkPay, formally known as AmeriCommerce shopping cart.
In order to integrate PayJunction with SparkPay, you must create a support ticket through the Admin area of the SparkPay shopping cart.
You will need to give SparkPay your API login and password, not your Virtual Terminal login and password.
API Login and Password
To see how to set your API login and password, click this link:
If you require further assistance with the shopping cart, you may reach AmeriCommerce Support at 1-800-936-9006