Glossary
GTIN (EAN and UPC)
Definition
The GTIN is the global number that identifies a trade item, the one printed in the barcode. It is built from a company prefix issued by GS1, and EAN-13 and UPC-A codes are forms of GTIN.
Unlike the SKU, which is internal, the GTIN is the same for every store that sells the product.
Many marketplaces and Google Merchant Center ask for it to identify the product and group offers. A made-up or wrong GTIN can get a listing rejected or merged with someone else's product.
Related terms
- SKU
The SKU (stock keeping unit) is the internal code a company uses to identify each distinct product it sells. A different size or color usually has its own SKU.
- Product feed
A feed is the file or connection used to send a catalog to another system: a store, a marketplace or Google Merchant Center, with the columns and format that destination requires.
- Marketplace
A marketplace is a platform where many sellers list their products for the platform's buyers, in exchange for a commission or a fee.
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