curl --request PUT \
  --url https://api.gotrebol.com/verifications/{verification-id}/add-items \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "items": [
    {
      "type": "doc_validation",
      "options": {
        "file_url": "https://www.googleapis.com/downloadableFile"
      },
      "tags": {
        "some": "tag value"
      }
    }
  ]
}
'

[
  {
    "id": 25440,
    "item_status": "pending",
    "item_type": "ubos",
    "item_value": {},
    "item_options": {
      "is_optional": true
    }
  }
]