{"uid":"cap_RPDG6sFi8xYsP7ACJdFC8","slug":"ean-8-luhn-check-validator-9a7dc603","name":"EAN-8 Luhn Check Validator","description":"Call when an agent needs whether an 8-digit EAN passes Luhn. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-ean-8 first.","url":"https://agentshelf.syntexa.ch/v1/check-ean-8?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["123"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_onsSyYik48GMwXLVARz6D","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether an 8-digit EAN barcode passes the Luhn (check digit) algorithm","exampleAgentPrompt":"Can you check if the EAN-8 barcode 96385074 is valid — does it pass the Luhn check digit test?","exampleUseCases":[{"title":"E-commerce product listing validation","prompt":"Before I add this product to our catalog, can you verify that the EAN-8 barcode 40170725 passes the Luhn check so I know it's a valid barcode?"},{"title":"Barcode scanner data quality check","prompt":"My scanner just read EAN-8 code 12345670 — can you confirm whether it's a valid barcode according to the Luhn algorithm before I log it in our inventory system?"},{"title":"Bulk product data pre-flight check","prompt":"I'm about to submit a new product with EAN-8 code 73513537 to our supplier portal — can you validate the check digit on that barcode first?"}],"resultDescription":"Returns a boolean pass/fail result indicating whether the submitted 8-digit EAN barcode satisfies the Luhn check digit algorithm, confirming its structural validity as a legitimate EAN-8 code.","failureModes":["Non-numeric input returns validation error","Input shorter or longer than 8 digits may return invalid or error","Malformed request body returns 400-level error","Network timeout or service unavailability returns 5xx error","Payment failure (insufficient USDC) returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a lightweight, deterministic check-digit validation for EAN-8 barcodes without setting up a local library. Prefer the free sandbox endpoint POST /v1/sandbox/check-ean-8 for testing or high-volume use cases where cost matters; use this paid endpoint when the sandbox is unavailable or for production validation with guaranteed uptime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:13.144Z","isFirstParty":false,"canonicalSlug":"ean-8-luhn-check-validator-9a7dc603"}