When an oauth application has been revoked, you will receive the event payload as below:
{
"event_type": "oauth.authorization.revoked",
"resource_type": "oauth_application",
"resource_id": "UNwwHmEFWCUP1PUkZtHSziELYECsRC_9C00hxt4TL2I",
"data": {
"resource_owner_id": "CUS222890",
"resource_owner_type": "Company",
"name": "test webhook",
"revoked_at": "2025-06-11T06:30:50.250Z"
}
}