How accurate is this extension and where is the information coming from ?

What is the accuracy of the result from the chrome extension?

AZInsight displays the same data that Amazon.com shows the (you) the seller, the extension checks each product in real-time through your browser as if you were requesting the information from Amazon Seller Central.

Where is the information coming from?

We get both seller restrictions and if a product is a hazmat directly from Amazon.com's system thru pages that are publically available but require you to be logged in to Amazon seller central to see and interact with them.