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I’m interested in what other people have found to be the fastest way to deliver events into HA. It’s been a useful thread.

I have a wired device sending HTTP POST updates very regularly (often more than one per second) and if I watch those arrive, they appear almost instantaneous. If the sending device used IP (or, more likely, had cached the lookup) I guess that would be fast too.

Good point about the MQTT persistence, cheers.

It’s probably marginally faster from the dashboard. This isn’t only about the ZigBee delay though - it’s really perfectly OK. Reducing latency is as much for the fun of it than anything else. I’m interested in knowing what the fastest possible input method is.

That’s a good point; the button does support double push, I might be able to disable that. It’s some old unit I picked up for next to nothing, I have some Aqura buttons about to try.

Perceptibly instant is fast enough for me :)

What’s the method you’re using to communicate with HA?