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.
When you use an Amazon-partnered carrier for an inbound shipment, the carrier provides your shipment tracking numbers to Amazon as part of the process. However, even if you are not using an Amazon-partnered carrier for your inbound shipments, Amazon recommends that you send us the shipment tracking numbers for your inbound shipment. Providing this information helps Amazon process your inbound shipment at the Amazon fulfillment center faster and more accurately.
To send shipment tracking numbers to Amazon
After sending shipment tracking numbers for a non-Amazon-partnered Small Parcel shipment to Amazon, you can get the shipment status by calling the GetTransportContent operation.
To get the shipment status for your non-Amazon-partnered Small Parcel shipment