{"uid":"cap_Aex1bwF8vSO1hBtEybbKZ","slug":"hungarian-iban-validator-hu-length-28-5e91f327","name":"Hungarian IBAN Validator (HU, length 28)","description":"Call when an agent needs whether an IBAN is a mod-97-valid HU number of length 28. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-iban-hu first.","url":"https://agentshelf.syntexa.ch/v1/check-iban-hu?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":["HU65AAAA00000000000000000000"],"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":"0.009","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":"$0.009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i1BxpevPbLQ-S0yV0XPce","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.009","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 mod-97-valid Hungarian IBAN of exactly 28 characters.","exampleAgentPrompt":"Can you check whether this Hungarian bank account number is a valid IBAN: HU42117730161111101800000000?","exampleUseCases":[{"title":"Validating payout recipient bank account","prompt":"Before we transfer funds, can you verify that HU93116000060000000012345676 is a valid Hungarian IBAN so we don't send money to a bad account?"},{"title":"Onboarding form bank account check","prompt":"A new user entered HU42117730161111101800000000 as their bank account — can you confirm it passes the Hungarian IBAN mod-97 validation before we save it?"},{"title":"Batch payment file pre-screening","prompt":"We have a Hungarian supplier invoice with IBAN HU28103000029234100220000004 — please verify it's properly formatted and passes the checksum before we approve the payment."}],"resultDescription":"Returns a boolean or structured result indicating whether the submitted string is a valid Hungarian IBAN — specifically confirming it is 28 characters long, starts with the 'HU' country code, and passes the mod-97 checksum algorithm.","failureModes":["String too short or too long (not 28 characters) — returns invalid","Wrong country prefix (not HU) — returns invalid","Mod-97 checksum fails — returns invalid","Empty or missing input value — returns error","Non-alphanumeric characters in IBAN — returns invalid"],"whenToPreferThis":"Use this endpoint when you specifically need to validate a Hungarian (HU) IBAN and require the mod-97 checksum to be verified programmatically. Prefer this over generic IBAN validators when you know the account is Hungarian and want a dedicated, low-cost check. Try the sandbox endpoint (POST /v1/sandbox/check-iban-hu) before paying for production calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:48:11.361Z","isFirstParty":false,"canonicalSlug":"hungarian-iban-validator-hu-length-28-5e91f327"}