curl --request DELETE \
  --url https://api.timeless.day/v1/webhooks/{webhook_id} \
  --header 'Authorization: Bearer <token>'

{
  "error": {
    "code": "not_found",
    "message": "Resource not found",
    "details": [
      {
        "field": "<string>",
        "message": "<string>"
      }
    ]
  }
}