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Portuguese IBAN Validator (mod-97, length 25)
x402
Portuguese IBAN Validator (mod-97, length 25) is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-29).
Validates whether a given string is a mod-97-valid Portuguese IBAN (country code PT) of exactly 25 characters.
Price / call$0.01
Success—
StatusUnknown
How this service works
Call when an agent needs whether an IBAN is a mod-97-valid PT number of length 25. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-iban-pt first.
Output
Returns a boolean or structured result indicating whether the provided string is a valid Portuguese IBAN: exactly 25 characters long, starts with 'PT', and passes the mod-97 checksum algorithm.
Example use cases
Validating Portuguese bank account for payout
“Before we send a wire transfer, can you verify that this IBAN 'PT50000201231234567890154' is a legitimate Portuguese IBAN — correct length and mod-97 checksum?”
Onboarding form IBAN check
“A user just entered 'PT50003506810003001357046' as their Portuguese bank account — can you confirm it's a properly formatted and mod-97-valid PT IBAN before we save it?”
Auditing imported payment records
“I have this IBAN from our records: 'PT50000201231234567890199' — can you tell me if it's a valid Portuguese IBAN with the right length and correct mod-97 check?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/check-iban-pt?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to validate a Portuguese (PT) IBAN of exactly 25 characters with a mod-97 checksum. Prefer the free sandbox endpoint (POST /v1/sandbox/check-iban-pt) for testing. For IBANs from other countries (NL, SE, QA, SC, SI, ME), use the corresponding country-specific sibling endpoints.
Side effects
- Input string is empty or missing — returns validation error
- IBAN is correct country code but wrong length — fails length check
- IBAN fails mod-97 checksum — returns invalid
- Non-PT country code provided — out of scope for this endpoint
- Payment of $0.01 USDC not completed — returns 402 Payment Required
- Malformed request body — returns 400 Bad Request
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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