Periodically you will receive emails from Amazon asking you to renew authorization of ZonGuru to your Seller Central account. They will be similar to the email below.
"Action is required by you to renew your authorization to enable software applications from ZonGuru-App to access your Amazon selling account on your behalf using Amazon Marketplace Web Service. This might impact your Amazon integration, including your Amazon Pay integration if you have one.
For your security, we periodically contact you to confirm that only software application providers with whom you are actively working are allowed to access your Amazon selling account data on your behalf."
To Renew Authorization
Log in to Seller Central and click "Apps & Services" then "Manage Your Apps"
Scroll down until you see the below row and click the renew button
If you have any questions please reach out to firstname.lastname@example.org