How to Disarm SHM via Keypad?

Z-Wave keypads are in short supply these days, the Popp Z-Wave keypad is one that is popular in the EU. I don’t think it’s available in the US as yet, you can find some 4 button key fobs like the nanomote or the nanomote quad or the hank but they are more like buttons and not a full keypad. I think there’s also a 4 button keypads.
ZigBee on the other hand has a lot of options available, you can check out the first post on this topic for a list.

You can also create your own security setup which can be used with the new ST app by using this app and it supports Keypads and Entry/Exit delays: