International Options

Name	Data Type	Description
contents	string	Contents of international shipment. Available options are: "merchandise", "documents", "gift", "returned_goods", or "sample"
customsItems	Object of strings and numbers	See our CustomsItem page for specifics. NOTE: To supply customsItems in the CreateOrder call and have the values not be overwritten by ShipStation, you must set the International Settings > Customs Declarations to "Leave blank (Enter Manually)" in the UI: https://ss.shipstation.com/#/settings/international Please see our ShipStation's International Settings KB article to learn how to make this change in the UI.
nonDelivery	string	Non-Delivery option for international shipment. Available options are: "return_to_sender" or "treat_as_abandoned". NOTE: If the shipment is created through the Orders/CreateLabelForOrder endpoint and the nonDelivery field is not specified, then the value defaults based on the International Setting in the UI. If the call is being made to the Shipments/CreateLabel endpoint and the nonDelivery field is not specified, then the value will default to "return_to_sender".