Go to the Permissions page of the country where you have your store
At the page, scroll down and select the 'Authorize a developer' button
For Canada, Mexico, US and BR, in the 'Developer's Name', put in 'Easyship'; in 'Developer's ID', put in '019223583452'
At the end of the process you will be given a 'Seller ID', and 'MWS Auth Token'
5. Easyship will need these keys to set up the integration, please write them down.
With the keys, go back to Easyship; at the Amazon connect page, input: 'Seller ID' and the 'Auth Token'
If you have followed the instructions correctly, you will now be able to connect to Amazon.