Steps to Provide Amazon MWS Access to Partially Integrated Third-Party Tools
Login to Seller Central with Amazon credentials and navigate to “User Permissions” under “Settings”
In the “Third-party developer and apps” section click on “Visit Manage Your Apps”
Now click on “Authorize new developer”
When you reach the screen below, Put the Developer’s Name as “Intentwise” and Developer ID as 952779673474
Once you have entered the details click on the “Next” button.
Capture the screenshot and share it with your agency/developer or third-party tool provider.