The Payment Settings page is where you will need to select the forms of payment you would like to accept through your eCart and enter your USAePay Source Key and Pin so that payments will process correctly through your eCart.
You may choose to accept any of the following payment methods:
In order to accept E-Checks, your USAePay merchant account must be enabled to do so.
Enter your USAePay Source Key and Pin number into the space on this page.
You will not be able to process orders unless your Source Key and Pin are entered correctly. ——