{"uid":"cap_gM7KIpDOoAuKBZW4VY8YL","slug":"croatian-iban-validator-hr-length-21-4a530e0d","name":"Croatian IBAN Validator (HR, length 21)","description":"Call when an agent needs whether an IBAN is a mod-97-valid HR number of length 21. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-iban-hr first.","url":"https://agentshelf.syntexa.ch/v1/check-iban-hr?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":["HR48AAAA0000000000000"],"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":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_t_cKKIadbi7p-kcHebYJf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","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-compliant Croatian (HR) IBAN of exactly 21 characters.","exampleAgentPrompt":"Can you check if HR1723600001101234565 is a valid Croatian IBAN — does it pass the mod-97 checksum and is it the right 21-character HR format?","exampleUseCases":[{"title":"Pre-payment Croatian supplier validation","prompt":"Before I wire funds to our Croatian supplier, can you verify that HR1710010051863000160 is a legitimate mod-97-valid Croatian IBAN with the correct 21-character length?"},{"title":"Onboarding form bank account check","prompt":"A new user on our platform entered HR3324020061100147326 as their Croatian bank account — can you confirm it's a properly formatted and mod-97-valid HR IBAN before we save it?"},{"title":"Batch invoice data quality check","prompt":"I have an invoice from a Croatian vendor with IBAN HR6623400091110227672 — can you validate it's a correctly structured 21-character HR IBAN before we approve payment?"}],"resultDescription":"Returns a boolean validity result indicating whether the submitted string is a properly formatted Croatian IBAN: exactly 21 characters, starts with 'HR', and passes the mod-97 checksum algorithm.","failureModes":["IBAN fails mod-97 checksum — returns invalid","IBAN length is not exactly 21 characters — returns invalid","IBAN does not start with HR country code — returns invalid","Empty or missing input string — returns error","Input exceeds maximum allowed length — returns validation error"],"whenToPreferThis":"Use this endpoint when you specifically need to validate a Croatian (HR) IBAN. It is narrowly scoped to HR IBANs of length 21, making it precise and cheap ($0.002 USDC). If the IBAN country is unknown, you'd need a general IBAN validator. Prefer the free sandbox POST /v1/sandbox/check-iban-hr endpoint during development and testing before spending on the paid version.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:07.369Z","isFirstParty":false,"canonicalSlug":"croatian-iban-validator-hr-length-21-4a530e0d"}