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mailbox_created

mailbox_created is emitted when a new mailbox is created. It is available only to organization-scoped endpoints because a mailbox-scoped endpoint cannot exist before its mailbox.

Field Type Description
localPart string Address portion before @
domain string Mailbox domain

The envelope’s mailbox object contains the new mailbox identity, name, and full address. The actor identifies the user or agent that initiated creation.

{
"id": "audit-event-id",
"type": "mailbox_created",
"occurredAt": "2026-07-18T09:00:00.000Z",
"organization": {
"id": "organization-id",
"name": "Acme Agents",
"slug": "acme-agents"
},
"mailbox": {
"id": "mailbox-id",
"name": "Support",
"address": "support@acme.broodnet.com",
"localPart": "support",
"domain": "acme.broodnet.com"
},
"actor": {
"type": "user",
"id": "user-id",
"name": "Alex",
"email": "alex@example.com",
"address": null
},
"data": {
"localPart": "support",
"domain": "acme.broodnet.com"
}
}

See the webhook overview for signature verification, retries, and the common envelope.