Amazon Marketplace Web Service (MWS) will no longer be available after March 31, 2024. All MWS developers must migrate to Selling Partner API (SP-API) to avoid service disruptions. Refer to the Migration Hub for more information.
If your workflow calls for you to label items one by one and add them to one or more inbound shipments, you can do this by following the steps below:
If you have previously created a listing for this item, specify only the SellerSKU for the item.
If you have not yet created a listing for this item, specify the SellerSKU, ASIN, and Condition for the item.
The response elements include FulfillmentNetworkSKU, DestinationFulfillmentCenterId, and ShipmentId.
If this is the first item of a new inbound shipment, or if the DestinationFulfillmentCenterId returned in Step 1 indicates an Amazon fulfillment center that is different from any existing inbound shipment that you have in progress, do the following:
If you are adding this item to an existing inbound shipment, do the following:
For more information, see Fulfillment Inbound Shipment API.