App installation deleted
Sent to your app’s own webhooks when an account removes your app. The installation stops appearing in GET /app_installations, and your app can no longer act on that account. The envelope’s account_id is the account that removed it
Required permissions:
webhook_receive:app_installations
Headers
A unique identifier for this webhook request
"msg_xxxxxxxxxxxxxxxxxxxxxxxx"
The signature of the webhook request with the webhook version prepended
"v1,BASE64ENCODEDSIGNATURE"
The timestamp in seconds since the Unix epoch that the webhook was sent at on the server
"1727606400"
Body
The API version for this webhook
"v1""v1"
The dated API version (Api-Version-Date) the payload is serialized to
"2026-07-20"
A unique ID for every single webhook request
"msg_xxxxxxxxxxxxxxxxxxxxxxxx"
The timestamp in ISO 8601 format that the webhook was sent at on the server
"2025-01-01T00:00:00.000Z"
The webhook event type
"app_installation.deleted""app_installation.deleted"
The account ID that this webhook event is associated with
"biz_xxxxxxxxxxxxxx"
For some .updated events, the old values of the payload fields that changed, keyed by field name. Omitted when no capture is available for the event
Response
Return a 200 status to indicate that the data was received successfully

