Once you register for a Merch Jar account, you will be taken to a page to connect your Amazon Advertising account to Merch Jar using the Amazon Advertising API.
- Click the 'Login with Amazon' button to be taken to Amazon’s login page.
- Enter your Amazon Advertising login credentials and click 'Sign-In'.
- Click 'Allow' to grant Merch Jar access to your data.
- With a successful login, your Amazon Advertising account will be connected to your Merch Jar account. It can take from 10 to 30 minutes for the initial syncing process to complete.