Amazon Services
Amazon Marketplace Web Service (Amazon MWS) Documentation

Deprecation Notice:

Amazon Marketplace Web Service (MWS) will no longer be available after December 31, 2023. All MWS developers must migrate to Selling Partner API (SP-API) to avoid service disruptions. Refer to the Migration Hub for more information.

Amazon MWS Documentation

Step 10 - Send your shipments to Amazon's fulfillment network

Send your shipments to Amazon's fulfillment network using an Amazon-Partenered carrier or a non-Amazon-Partnered carrier that is registered with Amazon. For more information about sending shipments to Amazon's fulfillment network, see the Amazon Seller Central Help for your marketplace. For more information, see Using an Amazon-partnered carrier for your inbound shipment.