Hello Upmind team, I wish you all a happy new year.
I'd like to suggest an integration with KeyHelp Control Panel. It's a fairly used control panel since it has both a free and a paid one version and has integrations with WHMCS, WISECP, HostBill and Blesta (non-exaustive list for example's sake).
Since it has a RESTful API, I think it would be easy to integrate it with Upmind.