get https://marketplace.walmartapis.com/v3/ca/fulfillment/inbound-shipment-items
After sellers successfully create an inbound order, the Create Inbound Shipments API response indicates whether the order can be sent as a single shipment to one WFS fulfillment center or must be split into multiple shipments to different fulfillment centers.
To retrieve shipment-level information, use the Get Inbound Shipments API.
To get details about what needs to be included in a specific shipment and the SKU-level receipt information, use the Get Inbound Shipment Items API.