Topics covering webhook creation & management, event handling, Pub/Sub, and Eventbridge, in Shopify apps.
I didn't receive the webhook response on https://2c9302fe2bd2.ngrok.io .
Wouldn't the webhook fire for domains/create for that scenario? You aren't editing a domain that's already defined in the Shopify web admin. You are replacing an already-defined domain name with a new one. Maybe subscribe to that webhook and see what happens...