curl --request POST \
  --url 'https://api.stateset.com/api/v1/fulfillment/packs/{id}/cartons' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "height_cm": null,
  "length_cm": null,
  "package_type": null,
  "weight_kg": null,
  "width_cm": null
}'

{
  "carton_number": "string",
  "created_at": "string",
  "id": "string",
  "label_printed": true,
  "pack_task_id": "string",
  "package_type": "string",
  "tracking_number": null,
  "weight_kg": null
}