When it fires
Way sendslisting.unpublished when a listing is unpublished - when an experience is unpublished or when a collection is unpublished.
Events arrive at your endpoint as a POST request with the body { "event": "listing.unpublished", "payload": { ... } }. When a webhook secret is set, the X-Way-Signature header carries an HMAC of the request body - see Verify signatures.
Payload
Sample
Illustrative payload derived from the event schema.