curl --request POST \
  --url https://api.pictify.io/pdf/multi-page \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateUid": "<string>",
  "variableSets": [
    {}
  ],
  "options": "<unknown>"
}
'

{
  "success": true,
  "url": "<string>",
  "userStorageUrl": "<string>",
  "pageCount": 123,
  "preset": "<string>",
  "pageSize": {
    "width": 123,
    "height": 123
  }
}