post https://marketplace.walmartapis.com/v3/fulfillment/carrier-rate-quotes
Get the carrier rate quotes for WFS Preferred Carrier Program FedEx parcel solution when inbounding seller items from seller pickup point to Walmart fulfillment centers.
For the shipments sent by FedEx small parcel, you can ship packages up to 150 lb, 108" in length, and 165" in length plus girth (girth is 2x width + 2x height). You can ship up to 200 packages per shipment.