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EU VAT Number Validator (VIES)
x402
EU VAT Number Validator (VIES) is a paid API for AI agents from api.sirenic.eu, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Validates any EU intra-community VAT number against the official VIES service, returning valid/invalid/unavailable status with a VIES consultation identifier.
Price / call$0.003
Success—
StatusUnknown
How this service works
EU VAT validation against the official VIES service: validate any intra-community VAT number (all member states) for compliance and due diligence. This tax id check is the tax half of verify supplier before payment, and a required check under the e-invoicing mandate France September 2026. Returns valid/invalid/unavailable status with the VIES consultation identifier as proof — VAT number validation usable across Europe for KYB and supplier onboarding.
Output
A JSON response indicating whether the EU VAT number is valid, invalid, or temporarily unavailable, along with a VIES consultation identifier that serves as official proof of the verification.
Example use cases
Example prompt
“Can you check if the VAT number FR27552032534 is valid and registered in the EU VIES system?”
Technical details
Endpoint
GEThttps://api.sirenic.eu/v1/tva/verifier/:numeroWhen to prefer
Use this endpoint when you need to validate any EU member state VAT number against the authoritative VIES system and require a consultation ID as verifiable proof — ideal for B2B invoicing compliance, onboarding new European suppliers or customers, or audit trail requirements. Prefer this over manual lookups or country-specific APIs when you need a unified endpoint covering all EU member states.
Side effects
- VAT number format invalid — missing or incorrect country prefix
- VIES service temporarily unavailable — status returned as 'unavailable' rather than an error
- Member state registry offline — returns unavailable status for that specific country
- Malformed VAT number string — missing digits or invalid characters
- Payment not included — HTTP 402 returned requiring x402 micropayment of $0.003 USDC
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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