Not so fast… Ai doesn’t “know” everything!
You can still use the MQTT way, it works without any issue.
I use it for several years, and it works fine.
No API required.
Only setting it up takes some effort, therefore I created this tutorial:
https://community.homey.app/t/tutorial-pro-how-to-integrate-home-assistant-with-homey-pro-and-v-v/92641