Account configuration

1. Login to your Datatrans Merchant panel
2. Open the "UPP Administration" tab
3. On the "UPP data" page, make sure you configure the following:
   • URL Post

https://<your-whmcs-installation>/modules/gateways/callback/datatrans.php

Please note that http is not supported. You need https with a valid certificate.

4. On the "Security" page, make sure you configure the following:

• Username Note this username as you will need to specify this in the module configuration
• Password Note this password as you will need to specify this in the module configuration

5. Click on Security Signature

• Select Important parameters will be digitally signed (HMAC-SHA256)
• Generate a key and note this as you will need to specify it in the module configuration
• Make sure that the sign2 checkbox is unchecked