eu-verify

data.greeneris.io · x402

Offline validation of product barcode numbers: EAN-8, UPC-A, EAN-13 and GTIN-14, using the GS1 mod-10 weighted checksum. Catches corrupted GTINs in supplier catalogs before marketplace publication (Amazon/Google reject invalid GTINs). Query: ?gtin=4006381333931. Returns valid flag, detected format, GS1 member-org prefix and the computed check digit. Deterministic, cached 1 year.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 00:10 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

How addrbook checks →

Connect

https://data.greeneris.io/v1/logistics/gtin-check

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 25 Oct, 19:50 UTC
Wallets named: 0x6ab8efe305cce67daa48c97bde29c04402822dffnamed by x402 Bazaar
Listed since: 25 Oct 2026, 17:51 UTC

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
data.greeneris.io	x402	Live	26 Oct, 00:10	26 Oct, 00:10	100%	100%	—

Also listed as

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data.greeneris.io