Approval revoked

Webhook approval.revoked

Sent to the applicant, the agency and the operator when an approval is revoked. The revocation list is refreshed at the same time.

Headers we send

Name	In	Type	Required	Description	Example
`X-Tanba-Delivery`	header	string (uuid)	yes	Identifier of the delivery. It is the same on every retry; use it to ignore duplicates.	`9b2e4c60-1f7a-4d83-a5c6-3e8d0b7f2a11`
`X-Tanba-Event`	header	string	yes	The event name.	`approval.issued`
`X-Tanba-Signature`	header	string	yes	`t=<unix seconds>,v1=<hex HMAC-SHA256 of t + "." + the raw body, keyed with the webhook secret>`. See the guide on webhook signatures.	`t=1790000000,v1=5f2d9c1a0b7e4d63a8c15e90f4b2d7a3c6e81f0594ab2d3c7e6f1a08b9d4c5e2`

Body we send

`application/json`

Name	Type	Required	Description	Example
`event`	const	yes	The event name, the same as in the X-Tanba-Event header.	`"approval.revoked"`
`occurred_at`	string (date-time)	yes	When the platform recorded the revocation.	`"2026-10-09T10:30:00+05:00"`
`data`	object	yes	The revoked approval.
`data.number`	string	yes	Number of the revoked approval.	`"TNB-2026-000123"`
`data.submission_id`	string (uuid)	yes	Identifier of the submission the approval belongs to.	`"6f1c0d3e-52a4-4b57-9a7e-0c3a1b9d2e44"`
`data.ground`	string	yes	Code of the legal ground of the revocation.	`"content_changed"`
`data.reason`	string	yes	Free-text reason given by the authority.	`"The content differs from the approved file."`

Example

{
  "event": "approval.revoked",
  "occurred_at": "2026-10-09T10:30:00+05:00",
  "data": {
    "number": "TNB-2026-000123",
    "submission_id": "6f1c0d3e-52a4-4b57-9a7e-0c3a1b9d2e44",
    "ground": "content_changed",
    "reason": "The content differs from the approved file."
  }
}

Responses

200 The delivery is accepted. Any 2xx status counts; the body is ignored.

No body.

410 Any other status, or no answer within 10 seconds, counts as a failure and the delivery is retried.

No body.