Note: For new connections, please see "Connecting Opayo" which used the v4 integration.
Setup
To set up Sage Pay you’ll need the following information:
Vendor name
Username
Password
Copy and paste those into the boxes.
Click Save.
Extra settings:
Sage Pay is strict about the invoice data that you have in your accounting software, the invoice must contain a first and last name for the contact. Although this could be anything that you like -- but if left blank, the payment will fail.