curl -X GET 'https://api.resend.com/webhooks/4dd369bc-aa82-4ff3-97de-514ae3000ee0/events/msg_1srOrx2ZWZBpBUvZwXKQmoEYga2' \
     -H 'Authorization: Bearer re_xxxxxxxxx'

{
  "object": "webhook_event",
  "id": "msg_1srOrx2ZWZBpBUvZwXKQmoEYga2",
  "type": "email.sent",
  "created_at": "2026-08-22T15:28:00.000Z",
  "status": "attempting",
  "next_attempt_at": "2026-08-22T15:33:00.000Z",
  "payload": {
    "type": "email.sent",
    "created_at": "2026-08-22T15:28:00.000Z",
    "data": {
      "email_id": "571f1f42-1c2d-4b1f-8f8e-8b3b5b3b5b3b",
      "from": "onboarding@resend.dev",
      "to": ["delivered@resend.dev"],
      "subject": "Welcome",
      "created_at": "2026-08-22T15:27:59.000Z"
    }
  }
}