Task

Gtin Validation

1 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

EAN / UPC / GTIN check x402 REST usage

Validate a GTIN barcode number — EAN-8, UPC-A (12), EAN-13 or GTIN-14 — by the standard mod-10 check digit. Length selects the scheme.

checkdigit.openverbs.com Dev & Code 2 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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