{
  "id": "api:x402-4d3b2c9c5f677fc9",
  "kind": "api",
  "name": "data.greeneris.io/v1/logistics/gtin-check",
  "description": "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.",
  "category": "x402",
  "url": "https://data.greeneris.io/v1/logistics/gtin-check",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
    "method": "GET",
    "last_updated": "2026-10-25T23:38:42.568Z"
  },
  "trust": {
    "verified": true,
    "uptime_pct": 100,
    "latency_ms": 272,
    "checks": 1
  }
}