Calculate rates
Content-Type
Calculate rates
enable async mode or not (set to false if not provided)
If the shipment is document type. (set to false if not provided)
Ship Date in YYYY-MM-DD, if not provided, will be today of the shipper account timezone
Shipment object: the description of shipment information
The money object is used to represent the currency amount.
Address object: the description of address information
Address object: the description of address information
Parcels of shipment
Address object: the description of address information
Instructions to aid in prompt delivery of the shipment.
Expected Delivery Date in YYYY-MM-DD