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Slovenian IBAN (SI) Mod-97 Validator
x402
Slovenian IBAN (SI) Mod-97 Validator is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-19).
Validates whether a given string is a mod-97-valid Slovenian IBAN (SI) with the correct length of 19 characters
Price / call$0.003
Success—
StatusUnknown
How this service works
Call when an agent needs whether an IBAN is a mod-97-valid SI number of length 19. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-iban-si first.
Output
Returns a boolean or structured result indicating whether the provided string is a valid Slovenian IBAN: correct SI country code prefix, exactly 19 characters long, and passing the mod-97 checksum algorithm. Invalid IBANs or malformed inputs return a failure/false result.
Example use cases
Pre-payment Slovenian bank account check
“Before I send this invoice payment, can you verify that SI56191000000123438 is a legitimate Slovenian IBAN — does it pass the mod-97 check and is it the right 19-character length?”
Onboarding vendor bank detail validation
“We're onboarding a new vendor in Slovenia and they gave us IBAN SI56263300012039086 — can you confirm it's a valid SI IBAN with the correct checksum before we add it to our payment system?”
Form input IBAN sanity check
“A user just entered SI56040010019991855 as their bank account number in our checkout form — can you validate whether it's a proper mod-97-valid Slovenian IBAN of length 19?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/check-iban-si?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need to validate a Slovenian (SI) IBAN and require mod-97 checksum verification alongside length and country-code checks. Use the free sandbox endpoint (POST /v1/sandbox/check-iban-si) first to avoid the $0.003 USDC charge during development or testing. For other country IBANs, use the corresponding country-specific sibling endpoints on the same host.
Side effects
- IBAN string too short or too long (not 19 characters) — returns invalid
- Wrong country code prefix (not SI) — returns invalid
- Mod-97 checksum fails — returns invalid
- Empty or missing value field — request rejected
- Value exceeds 20000 character limit — request rejected
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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