1. Go to the User Permissions page in Seller Central and login as the primary user of your Amazon Seller Account.

2. Scroll down towards the bottom of the page and click on Visit Manage Your Apps.

3. Then click on Authorize new developer in the next window.

4. In the Developer name text box, enter Gorilla ROI This name is merely for your own reference.

5. The GorillaROI Developer ID must be authorized for each marketplace you wish to import data from.

a) For USA/CA sellers, enter Developer ID 054339617981 and authorize.

b) For UK/EU sellers, enter Developer ID 642105350512 and authorize.

c) For Japan sellers, enter Developer ID 626257519921 and authorize.

6. Your Seller ID and MWS Auth Token appears.

      7. Submit your Seller ID and MWS Auth Token here