To connect your PIM to Amazon you will need to retrieve the following keys from Amazon:
MWS Auth Token
Merchant ID
Retrieve Merchant ID:
1- Go to your Amazon Seller Central account, at the top right corner and click on Settings > User Permissions
2- On the User Permissions page click on the Visit Manage Your Apps button
3- Then click on the Authorize new developer button
4- Enter JasperPIM as Developer?s Name and enter our Developer ID: 540064963606
5- Click on the checkbox and then you will have access to the MWS Auth Token
