To use this tool you need to enter AWS credentials. These are different credentials to those used when you created your Amazon Seller Account.
The purpose of the tool is to allow you to look up information for existing items on Amazon by entering an ISBN, EAN, UPC or ASIN code.
This tool allows you to locate a browse tree node for your product where necessary. Browse tree nodes are the means that Amazon uses to place products in the correct location within the marketplace. The nodes are marketplace specific.