Rehau Nea Smart integration

Hello everyone. I will soon have a Rehau in-floor heating system installed, and I have the opportunity to also purchase the Nea Smart 2.0 automation.
My dev team could probably write an app for Homey to interface with this app, provided that the Nea Smart system provides a way to communicate outside their ecosystem. There is a KNX interface module for the system, which could be an option, but I would rather do it directly.
Has anyone considered a direct integration for this REHAU system in the past? It would be useful to know even if it’s not possible for any reason (no API, no specs, web interface too complex etc).