NameDescriptionTypeAdditional information
AmazonOrderItemCode

Amazon's unique identifier for an item in an order. If the MerchantOrderItemID is also specified, Amazon will map the two IDs and you can then use your own item ID for subsequent feeds relating to that item within the order.

string

None.

MerchantOrderItemID

Optional seller-supplied ID for an item in an order. If the MerchantOrderItemID is specified with the AmazonOrderItemCode, Amazon will map the two IDs and you can then use your own order item ID for subsequent feeds relating to that order item.

string

None.

MerchantFulfillmentItemID

Seller-supplied unique identifier for an item in the shipment (not used by Amazon)

string

None.

Quantity

The quantity shipped (if more than one of a given item was purchased, and all of them are not shipped together)

string

None.