If you have a Homey Pro there is a Denon app
And the Somfy app supports as far as i know the Connectivity Kit (about 70 Euro)
https://homey.app/nl-nl/app/com.denon.heos/Denon-Heos/
https://community.homey.app/t/app-cloud-pro-somfy-tahoma-connexoon-v4-0-37-test-v4-0-40/35206