Amazon & Google Shopping requires valid barcode values from the GS1 website.
If you haven't had any valid barcode value from the supplier or GS1. You may not need a barcode value for your Google Shopping or Amazon.
The value from our barcode generator is a random number; it is for internal inventory management. Not for Amazon or Google, and other platforms.
Using random numbers as product barcodes for Amazon or Google, you may get banned from platforms.
Get more information on how to avoid using barcodes on platforms.