Update Carton

Update carton override on a fulfillment order

Sets or clears the carton override for a fulfillment order. When set, this overrides the default carton selection algorithm. Pass null to clear the override and use the default algorithm.

curl -X POST "https://example.com/shipos/fulfillment-orders/string/carton" \  -H "Content-Type: application/json" \  -d '{}'

{  "success": true,  "message": "string"}