1) Per-board webhooks at board right sidebar / Board Settings / Webhooks
2) Global Webhooks at Admin Panel
See right menu of https://github.com/wekan/wekan/wiki , scroll down to webhooks part of menu.
It's possible to send board change events like move card as webhooks, for example to some chat:
https://github.com/wekan/wekan/wiki/Outgoing-Webhook-to-Disc...
Or to NodeRED:
https://github.com/wekan/wekan/issues/2017
or to to some PHP webhook receiver like this, that can use Python code to call WeKan API:
https://github.com/wekan/webhook/blob/main/public/index.php#...