{"resource":"https://api.sitecheck-api.workers.dev/api/validate","service":"SiteCheck","areas":["other"],"answering":true,"http_status":402,"latency_ms":53,"price_usdc":0.001,"buyers_30d":1,"calls_30d":2,"description":"Checks the check digit and structure of an identifier with no network call: ISBN-10 and ISBN-13 (with ISBN-10 to 13 conversion), EAN-8, UPC-A, EAN-13 and GTIN-14 (with the GS1 prefix country), VIN (manufacturer code, region, model year), IM","id":"12a0b2f923e7","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-14","page":"https://velliumandco.com/sellers/12a0b2f923e7"}