Update: Amazon Buy Shipping now supports more than one account per carrier
April 14th, 2025 by Wendy
As of March 24, 2025, sellers in the US can link more than one account for each shipping carrier with Amazon Buy Shipping services.
To link more than one account per carrier on Amazon Buy Shipping, follow the steps on the Manage your carrier accounts page in Seller Central.
This change applies to the US marketplace.
For more information, refer to Amazon Buy Shipping and the Shipping API v2 Reference.