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AgentShelf IBAN Validator (Multi-Country)
x402
AgentShelf IBAN Validator (Multi-Country) is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.009/call, status unknown (last checked 2026-09-29).
Validates whether an IBAN string matches the expected country-specific length and passes the mod-97 checksum, supporting all known country formats.
Price / call$0.009
Success—
StatusUnknown
How this service works
Call when an agent needs whether an IBAN matches a known country length and mod-97. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-iban first.
Output
Returns a boolean or structured result indicating whether the submitted IBAN satisfies the country-specific expected length and passes the mod-97 checksum algorithm. May include details on which check failed (length vs checksum) if invalid.
Example use cases
Payment pre-validation for wire transfer
“Before I send this international wire, can you verify that the IBAN GB29NWBK60161331926819 is correctly formatted and passes the mod-97 check?”
Customer onboarding bank account check
“A new customer just entered their IBAN FR7630006000011234567890189 — can you validate whether it's structurally correct for France before we save it?”
Bulk data quality audit trigger
“I have an IBAN from our database: CH5604835012345678009 — please verify it's the right length for Switzerland and passes the checksum so I know if the record is clean.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/check-iban?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to validate an IBAN from any country (multi-country support), as opposed to the country-specific sibling endpoints (e.g., dedicated CH, AT, AZ validators). Use the free sandbox POST /v1/sandbox/check-iban first for testing; use this paid endpoint in production workflows where you need authoritative validation across the full IBAN country registry.
Side effects
- Invalid or missing IBAN string returns validation failure
- Unrecognized country code prefix may return unsupported or invalid
- IBAN string exceeding maxLength 20000 may be rejected
- Payment failure (HTTP 402) if USDC balance is insufficient
- Malformed input schema returns error before validation occurs
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| data | — | JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN. |
| value | string | Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar. |
| schema | — | JSON Schema document for schema-check SKUs. Omit it on string checks. |
Tags
x402
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