{"uid":"cap_bmoz6uh98MBLSJwL7ecbu","slug":"luxembourg-iban-validator-lu-length-20-e74d5f92","name":"Luxembourg IBAN Validator (LU, length 20)","description":"Call when an agent needs whether an IBAN is a mod-97-valid LU number of length 20. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-iban-lu first.","url":"https://agentshelf.syntexa.ch/v1/check-iban-lu?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":["LU12AAAA000000000000"],"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":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bvfBm5wyy_zhMOTDFb-wL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a structurally correct, mod-97-valid Luxembourg (LU) IBAN of exactly 20 characters.","exampleAgentPrompt":"Can you check whether LU28 0019 4006 4475 0000 is a valid Luxembourg IBAN — make sure it passes the mod-97 checksum and is the right 20-character format?","exampleUseCases":[{"title":"Payment recipient account verification","prompt":"Before I wire money to our Luxembourg supplier, can you verify that LU43 0015 7455 4800 0000 is a valid LU IBAN so we don't send funds to a bad account?"},{"title":"Onboarding form IBAN field check","prompt":"A user just entered LU12 0010 0012 3456 7891 as their bank account — can you confirm it's a properly formatted, mod-97-valid Luxembourg IBAN before we save it?"},{"title":"Batch invoice data cleanup","prompt":"I have a Luxembourg IBAN from an old invoice: LU74 0019 4006 4475 1234 — can you tell me if it's structurally valid before I use it to set up a payment?"}],"resultDescription":"Returns a boolean or structured result indicating whether the submitted string is a valid Luxembourg (LU) IBAN: 20 characters long and passing the mod-97 checksum algorithm. May include the validated IBAN, a validity flag, and possibly an error reason if invalid.","failureModes":["IBAN too short or too long (must be exactly 20 characters) — returns invalid","Non-LU country code prefix — may return invalid or error","Mod-97 checksum fails — returns invalid","Malformed or empty input — may return 400 or validation error","Payment failure (insufficient USDC) — 402 response blocking the call"],"whenToPreferThis":"Use this endpoint when you specifically need to validate a Luxembourg (LU) IBAN of exactly 20 characters using the mod-97 algorithm. Prefer the free sandbox endpoint POST /v1/sandbox/check-iban-lu first for testing. For other country IBANs, use the corresponding sibling endpoints (e.g. NL for Netherlands, SE for Sweden, PT for Portugal). This endpoint is appropriate when operating in a paid production environment and a Luxembourg IBAN must be definitively validated.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:39.627Z","isFirstParty":false,"canonicalSlug":"luxembourg-iban-validator-lu-length-20-e74d5f92"}