1. Log in to the PointsPay backend under the following link: https://onpayment.loylogic.net
2. Create a shop.
3. Configure the shop as in the following picture:
All other settings can be made arbitrarily. The "Redirect URLs" fields should stay empty.
4. Take over the shop code as 1st setting parameter in Payrexx:
5. Ask the PointsPay Support for an access token if you haven't received one yet.
6. Insert the Access Token as the 2nd setting parameter in Payrexx.