A list of items the customer is purchasing.
OptionalcustomerThe ID of an existing customer to use for this calculation. If provided, the customer's address and tax IDs are copied to customer_details.
Optionalcustomer_Details about the customer, including address and tax IDs.
OptionalexpandSpecifies which fields in the response should be expanded.
Optionalship_Details about the address from which the goods are being shipped.
Optionalshipping_Shipping cost details to be used for the calculation.
Optionaltax_Timestamp of date at which the tax rules and rates in effect applies for the calculation. Measured in seconds since the Unix epoch. Can be up to 48 hours in the past, and up to 48 hours in the future.
Three-letter ISO currency code, in lowercase. Must be a supported currency.