gtinA Schema.org Property
This term is proposed for full integration into Schema.org, pending implementation feedback and adoption from applications and websites.
- Canonical URL: https://schema.org/gtin
- Check for open issues.
A Global Trade Item Number (GTIN). GTINs identify trade items, including products and services, using numeric identification codes. The gtin property generalizes the earlier gtin8, gtin12, gtin13, and gtin14 properties. The GS1 digital link specifications express GTINs as URLs. A correct gtin value should be a valid GTIN, which means that it should be an all-numeric string of either 8, 12, 13 or 14 digits, or a "GS1 Digital Link" URL based on such a string. The numeric component should also have a valid GS1 check digit and meet the other rules for valid GTINs. See also GS1's GTIN Summary and Wikipedia for more details. Left-padding of the gtin values is not required or encouraged.
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