Error on Paysafe Card Payment API?...

When I try to send a request to Paysafe, I keep getting the following response form the API...

Error returned in Web Service...

What end point should I be using to integrate the Paysafe Cards API?...

TxnMode error for Paysafe API...

Paysafe POSTMAN 404 for cardpayments...

OpenCart PHP Callback Array Trouble...

How to get customer in error with Recurring billing using NetBanx (OptimalPayments) API...