SmartThings Integration?

Does anybody know if there is any integration with ST?

Where is an older user-done integration where you can find the links here (I can’t say anything else about it though):

And there is a fee-based integration available we have tested:

Ist diese seite seriös? Funktioniert dies auch in Deutschland? Wieso bittet Nuki keine kostenlose Einbindung in Smartthings an?