{"uid":"cap_b1KUVrlr6ObjNkb5782BC","slug":"iban-dk-validator-mod-97-length-18-f7284b1a","name":"IBAN DK Validator (Mod-97, Length 18)","description":"Call when an agent needs whether an IBAN is a mod-97-valid DK number of length 18. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-iban-dk first.","url":"https://agentshelf.syntexa.ch/v1/check-iban-dk?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":["DK50AAAA0000000000"],"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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JdYiioByaIgh4PgDU3OZ8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","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 IBAN string is a mod-97-valid Danish (DK) IBAN of exactly 18 characters","exampleAgentPrompt":"Can you check if this IBAN is a valid Danish bank account number — it should be 18 characters and pass the mod-97 check: DK5000400440116243?","exampleUseCases":[{"title":"Pre-payment IBAN sanity check","prompt":"Before I wire money to this Danish supplier, can you verify that their IBAN DK9520000123456789 is a properly formatted and mod-97-valid Danish IBAN?"},{"title":"Onboarding bank detail verification","prompt":"We're onboarding a new Danish contractor and they gave us the IBAN DK5000400440116243 — can you confirm it's a valid 18-character DK IBAN that passes the mod-97 checksum?"},{"title":"Bulk payout pre-validation","prompt":"I have a Danish payee IBAN DK3120000000193757 I need validated before adding them to our payout list — is it a valid mod-97 DK IBAN of the right length?"}],"resultDescription":"Returns a boolean or structured result indicating whether the provided IBAN string is a valid Danish (DK-prefixed) IBAN: exactly 18 characters long and passing the ISO 7064 mod-97 checksum algorithm.","failureModes":["IBAN is not DK-prefixed — endpoint only validates Danish IBANs","IBAN length is not 18 characters — fails length check","Mod-97 checksum fails — IBAN is structurally invalid","Input string is empty or exceeds schema limits — rejected by input validation","Malformed input (non-string value) causes schema validation error"],"whenToPreferThis":"Use this endpoint when you specifically need to validate a Danish (DK) IBAN for correctness — both the exact 18-character length and the mod-97 checksum. Prefer the free sandbox POST /v1/sandbox/check-iban-dk first to avoid the $0.004 USDC charge. Do not use this for IBANs from other countries; choose a country-agnostic IBAN validator for non-DK bank numbers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:21.105Z","isFirstParty":false,"canonicalSlug":"iban-dk-validator-mod-97-length-18-f7284b1a"}