Virtual Card Services Integration Manual

After contracting with Virtual Card Services, you will receive the following from their support:
  • Terminal ID
  • Username
  • Password
Log in to with your username and password.
Navigate to Merchant Settings > 6. Callback Settings and enter the URL: and CallBack Protocol / CallBack Method as shown in the image down below:
Please ask the support at [email protected] for generating a MD5 Key.
You will need to enter your Terminal ID and the received MD5 Key in the Payment Service Provider settings in your Payrexx merchant backend.