curl --request GET \
  --url https://api.pictify.io/templates/batch/{batchId}/results \
  --header 'Authorization: Bearer <token>'

{
  "batchId": "<string>",
  "progress": 50,
  "totalItems": 123,
  "completedItems": 123,
  "failedItems": 123,
  "results": [
    {
      "index": 123,
      "success": true,
      "url": "<string>",
      "width": 123,
      "height": 123,
      "error": "<string>"
    }
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "startedAt": "2023-11-07T05:31:56Z",
  "completedAt": "2023-11-07T05:31:56Z"
}