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Romanian VAT Number Checksum Validator
x402
Romanian VAT Number Checksum Validator is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Validates the checksum of a Romanian VAT (CIF/CUI) number without performing a live registry lookup
Price / call$0.002
Success—
StatusUnknown
How this service works
Call when an agent needs whether a RO VAT checksum is valid. No registry lookup. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-vat-ro first.
Output
Returns a boolean or structured result indicating whether the provided Romanian VAT (CIF/CUI) number has a valid checksum, without querying any official tax authority registry
Example use cases
Invoice validation before submission
“Before I send this invoice to my Romanian supplier, can you verify that their VAT number RO24736512 passes the checksum — I just need to know if the format is structurally correct.”
Batch onboarding form validation
“A new vendor filled out our onboarding form with the Romanian CUI 18547963 — can you confirm the checksum is valid so I know it's not a typo?”
E-commerce checkout VAT field check
“A customer entered RO9876543 as their Romanian VAT number during checkout — does it pass the checksum validation?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/check-vat-ro?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, cheap ($0.002 USDC) checksum-only validation of a Romanian VAT number and do not require confirmation against the official ANAF registry. Prefer the free sandbox endpoint POST /v1/sandbox/check-vat-ro for testing. Choose this over a full registry lookup when speed and cost matter more than live registration status.
Side effects
- Empty or missing value field returns a validation error
- Value exceeding 20000 characters rejected
- Malformed JSON body causes a 400 error
- Non-Romanian VAT numbers may return invalid even if valid in their own country
- Payment not included or insufficient USDC triggers a 402 Payment Required response
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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