When the (((Vola Pro))) user changes the room name, you can no longer use it in the Rest API.
Example call for retrieving upload key for old BEEPi room (now gentoomen):
the "custom room urls" are just "fake rooms" that get resolved to the real ID internally. Check config.room_id to get the real ID of a custom room. So you still have to use BEEPi.
When the (((Vola Pro))) user changes the room name, you can no longer use it in the Rest API. Example call for retrieving upload key for old BEEPi room (now gentoomen):
Returns this: