{"slug":"id-validators-x402tookit-com-gtin-check-0ff079","title":"Validate a UPC-A, EAN-8, EAN-13 or GTIN-14 barcode check digit and name its form","host":"id-validators.x402tookit.com","method":"GET","resource":"https://id-validators.x402tookit.com/gtin-check","category":"other","description":"Validate a UPC-A, EAN-8, EAN-13 or GTIN-14 barcode check digit and name its format.","price_listed":0.02,"price_asked":null,"state":"no_terms","state_label":"Answers HTTP 429 without x402 payment terms","checks_7d":1,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"id":"036000291452"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"id":{"description":"The barcode number","type":"string"}},"required":["id"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"format":{"type":["null","string"]},"length":{"type":["null","number"]},"normalised":{"type":["null","string"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"source":{"type":["null","string"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":429,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":686,"error":null}],"description_full":"Validate a UPC-A, EAN-8, EAN-13 or GTIN-14 barcode check digit and name its format.","last_updated":"2026-10-20T20:33:42.524Z","schemes":["exact"]}