curl --request GET \
  --url https://api.example.com/v2/notifications/webhooks/attempts/{attempt-id} \
  --header 'Authorization: Bearer <token>'

{
  "eventAttempt": {
    "accountId": "<string>",
    "acknowledged": true,
    "createdAt": "<string>",
    "id": "<string>",
    "responseStatus": 123,
    "updatedAt": "<string>",
    "webhookEventId": "<string>",
    "webhookUrl": "<string>"
  }
}