{"uid":"cap_L_kCVzrjsvcFXrG4NY9bu","slug":"delx-luhn-check-fc44a218","name":"Delx Luhn Check","description":"Luhn checksum validation for digit strings for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.","url":"https://api.delx.ai/api/v1/x402/luhn-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","bodyType","body"],"properties":{"body":{"type":"object","additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KztZ2V5TEfTKF2DwCkuGK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a digit string passes the Luhn checksum algorithm, used to verify credit card numbers and other numeric identifiers.","exampleAgentPrompt":"Can you run a Luhn checksum check on the digit string 4532015112830366 and tell me if it's valid?","exampleUseCases":[{"title":"Credit card number pre-validation","prompt":"Before I submit this payment form, can you check if the card number 4111111111111111 passes the Luhn algorithm?"},{"title":"IMEI number structural check","prompt":"I have an IMEI number 490154203237518 — does it pass the Luhn checksum so I know it's structurally valid?"},{"title":"Batch input sanity check","prompt":"I'm cleaning a list of card numbers from a form submission — can you Luhn-check 5500005555555559 and tell me whether it's valid before I send it downstream?"}],"resultDescription":"A boolean or pass/fail result indicating whether the submitted digit string satisfies the Luhn (mod-10) checksum algorithm, confirming whether the number is structurally valid.","failureModes":["Non-digit characters in input cause validation error","Empty string returns an error or false result","Whitespace or dashes in the digit string may not be auto-stripped","Malformed request body returns HTTP 400","Payment failure (insufficient USDC balance) prevents call from completing"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call Luhn checksum validation without standing up your own implementation or managing API keys — ideal for agent workflows that occasionally need to verify card numbers, IMEIs, or other Luhn-checked identifiers at low volume for $0.001 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:44:31.469Z","isFirstParty":false,"canonicalSlug":"delx-luhn-check-fc44a218"}