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Saylor Innovations EU VAT Number Validator (VIES)
x402
Saylor Innovations EU VAT Number Validator (VIES) is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Validates a European VAT number against the EU VIES system and returns the validity status along with the registered business name and address.
Price / call$0.002
Success—
StatusUnknown
How this service works
EU VAT number validation (VIES) — Real-world Data
Output
A JSON object containing the submitted VAT number, a boolean 'valid' field indicating whether the number is active in VIES, and nullable fields for the registered business name and address (which may be null if VIES does not return them even for valid numbers).
Example use cases
Supplier due diligence before payment
“We're about to pay a new Irish supplier — can you verify their VAT number IE6388047V is legitimate and tell me the registered business name and address?”
Invoice compliance check for EU customers
“Before I issue a zero-rated B2B invoice to a German customer, can you validate their VAT number DE811249786 through VIES and confirm the company details?”
Onboarding KYC for EU businesses
“We're onboarding a new client from France — please check if VAT number FR40303265045 is registered and return the company name and address so I can verify it matches what they gave us.”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/util/vat?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, per-call VAT validation with no subscription required — especially suited for AI agents or automation workflows that need occasional EU VAT checks at low cost ($0.002/call via x402). Prefer this over building a direct VIES SOAP integration when you want a simple REST/JSON interface. It is ideal for invoice validation, supplier onboarding, and B2B compliance checks across EU member states.
Side effects
- Invalid or malformed VAT number format returns valid: false with null name and address
- Country prefix not recognized or unsupported may return an error or invalid result
- VIES system temporarily unavailable (EU VIES has known downtime) may result in an error response
- Missing 'number' query parameter causes a bad request error
- Rate limiting or payment failure (x402) prevents the call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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