Does the Shelly 1PM Mini Gen3 work with HomeKit, Alexa, and Google Home?
The Shelly 1PM Mini Gen3 is an 8 A one-channel relay that measures power and is small enough to fit behind a switch.
It gets Matter over Wi-Fi after a firmware update. It suits Google Home, Alexa and SmartThings users through an integration (the maker's cloud). Home Assistant users reach it through an integration (local Wi-Fi control).
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.