Topic

Identifiers & GTINs

GTINs, UPCs, MPNs, and the identifier hygiene that decides whether your products are matchable anywhere.

GTIN, brand, and identifiers in structured data: getting matched by Google and AI

How GTIN, MPN, and brand in Product structured data drive Google and AI product matching, plus how to implement and validate them correctly.

Why a wrong or reused GTIN quietly delists you from Google, marketplaces, and AI answer engines, and the fixes that actually hold at scale.