Log in to seller central
Log in to the seller central account that has admin privileges. https://sellercentral.amazon.com
Locate MWS Credentials
Go to the User Permissions page in Seller Central and log into your Amazon seller account as the primary user.
Click the Authorize a developer button.
Enter:
Developer Name: Lead Commerce Connectors
Developer ID: 470122883520
Your MWS Auth Token will appear.
Please send us your Amazon Seller ID and your MWS Auth Token.
Provide us with your Credentials for the Connector
Please send us your Amazon Seller ID and your MWS Auth Token.