Gorilla needs access to your Amazon account to fetch and process your sales. To authorize Gorilla, follow these steps:

1. Go to the User Permissions page in Seller Central and log in as the primary user of your Amazon Seller Account.
2. Scroll down towards the bottom of the page and click on Authorize a Developer.
3. In the Developer name text box, enter Gorilla Sheets. This name is merely for your own reference.
4. Our GorillaROI Developer ID must be authorized for each marketplace you wish to import data from.
   a) For US/CA sellers, enter Developer ID 054339617981, and then click the Authorize developer button.
   b) For UK/EU sellers, enter Developer ID 642105350512, and then click the Authorize developer button.
   c) For Japan sellers, enter Developer ID 626257519921 and authorize.
5. Your Seller ID and MWS Auth Token appears.
   
6. Save or copy the Seller ID and MWS Auth Token to enter into Google Sheets.