With this service, you can feed deci and box quantity for your order packages of UPS Cargo and CEVA Logistics companies.
"Box Quantity" for UPS Cargo, "Box Quantity" and "deci" are required for CEVA Logistics.
https://api.trendyol.com/sapigw/suppliers/{supplierId}/shipment-packages/{shipmentPackageId}/box-info
{
"boxQuantity": 4,
"deci": 4.4
}