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Aug 22, 2026 7 min read

identifier_exists: what to do when a product genuinely has no GTIN

The missing-GTIN error has two halves. This covers the half most guides skip: products that never had an identifier, and how to declare that without trading a warning for a disapproval.

M
Muhammad Norafif
The Role of GTINs in Product Advertising
google-shopping
Dec 26, 2025 3 min read

The Role of GTINs in Product Advertising

GTINs (Global Trade Item Numbers) are the backbone of product identification in digital advertising. Understanding their importance can mean...

M
Muhammad Norafif

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