Use AMZ Buy Box Checker by Shopswain to check who has the buy box on your products.
Are you tired of going through all your product variations to see if you have the Amazon buy box? AMZ Buy Box Checker automatically checks all your product's variations, so you don't have to. If you have any issues, questions, or comments about using the extension, please don't hesitate to contact us at [email protected] ★ Investigate your product variation buy boxes in just one click On Amazon product pages, just click on the “Check Buy Box” button, and just watch as the extension magically finds the buy box merchant for each variation. ★ Compatible with the US Amazon Site. ★ Compliant With Amazon TOS This extension just automates operations that you can already perform in the Amazon marketplace.