v4
OpenAPI 3.1.02026-07-3163216290.7 KBWebhooks
Contact unsubscribed from mailing list
Sent when a contact is unsubscribed from a mailing list. This is not the same as a contact unsubscribing from your audience (see contact.unsubscribed). Contains contactIdentity and mailingList objects.
postWebhookcontactMailingListUnsubscribed
Headers
webhook-idstring required
Unique message ID. Use to deduplicate deliveries.
webhook-timestampstring required
Unix timestamp of when the message was sent.
webhook-signaturestring required
HMAC signature for verifying the request. Verify using your endpoint signing secret from the Loops dashboard.
Payload
Response
Webhook received successfully. Return any 2xx status code to acknowledge delivery.