Webhook Events
Email bounced
A delivery failure report for mail the mailbox sent arrived: the receiving server refused it for a recipient. Fires for every send from the mailbox, once per failed recipient. Delayed-delivery warnings and out-of-office replies do not fire it.
Act on recommendedAction: remove means the address does not take mail. Refusals on the sending side (auth_failure, blocklisted, spam_blocked, policy_blocked) never say remove. The report also arrives as message.received, and it does not count as a reply for email.thread_replied.
postWebhookemail.bounced
Payload
Example payload
{
"profiles": [
{
"externalId": "tenant_42"
}
]
}Response
Webhook received successfully
Changes
Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.