The validity of a Product ID is checked against the GS1 GEPIR and ISBN.org databases
Product ID Validity Check on Amazon: Using GS1 GEPIR and ISBN.org Databases When adding products to Amazon, you may encounter an error regarding the validity of a product ID. This happens because Amazon cross-references the Product ID (UPC, EAN, GTIN) …
The validity of a Product ID is checked against the GS1 GEPIR and ISBN.org databases Read More »