Your merchant token is a unique seller identifier used in AMTU, 3rd Party applications, and XML feeds to match up products that you upload with your seller account.
Note: You cannot share a merchant token with other sellers or use it for different seller accounts. It is unique to a given seller.
View your merchant token
To view your merchant token, complete the following steps:
From your seller account, go to the Settings menu and select Account Info.
In the Business Information section, select Merchant Token. The token is displayed at the bottom of the page.