curl --request GET \
  --url https://app.autoposting.ai/api-proxy/webhooks/{webhookId}/deliveries \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "deliveries": [
      {
        "id": "del_01HXYZ",
        "eventType": "post.published",
        "status": "success",
        "responseStatus": 200,
        "attemptCount": 1,
        "deliveredAt": "2024-01-10T09:05:00Z"
      },
      {
        "id": "del_02HXYZ",
        "eventType": "post.failed",
        "status": "failed",
        "responseStatus": 500,
        "attemptCount": 3,
        "deliveredAt": "2024-01-10T10:00:00Z"
      }
    ],
    "total": 2
  }
}