I've edit the old WHMCS plugin for ZPanel to use the latest version of the API (Senitor) and added the API-Key to the admin part of the WHMCS module for Sentora.
The module comes with instructions which explain how to properly set it up etc.
Link: http://forums.sentora.org/showthread.php?tid=1563
The module comes with instructions which explain how to properly set it up etc.
Link: http://forums.sentora.org/showthread.php?tid=1563