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2s VAT Number Validation
x402
2s VAT Number Validation is a paid API for AI agents from 2s.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Validates a European VAT number via VIES and returns the registered legal name, address, and validity status
Price / call$0.001
Success—
StatusUnknown
How this service works
Validate a European Union VAT number against the official VIES (VAT Information Exchange System) register in real time. Confirms whether the VAT identifier is currently registered for intra-EU trade and, when the member state discloses them, returns the registered business name and address. Covers the 27 EU member states (Greece as EL) plus Northern Ireland (XI); Great Britain (GB) is not in VIES. Pass either a full identifier (vat=DE811569869) or country + number. Returns {valid, countryCode, vatNumber, name, address, requestDate, reason}. When a member-state register is temporarily down, returns a retryable 503 rather than a false negative. Data from the European Commission VIES service.
Output
Returns a JSON object with ok=true, an items array containing the validity flag (true/false), the registered legal name, registered address (single line), the country code, the VAT number, a VIES request timestamp, and a reason string if the number is invalid, plus a source object with provider, URL, and license info.
Example use cases
Example prompt
“Can you check if the VAT number DE811569869 is valid and tell me the registered company name and address?”
Technical details
Endpoint
GEThttps://2s.io/api/tax/vatWhen to prefer
Use this endpoint when you need real-time EU VAT validation against the official VIES database, especially for invoicing compliance, supplier onboarding, or B2B verification workflows. It requires no signup or API key and charges only $0.001 per call, making it ideal for lightweight agent pipelines. Prefer this over scraping VIES directly or using third-party VAT services with subscription fees.
Side effects
- VAT number not found in VIES — valid=false with reason explaining no match
- VIES service temporarily unavailable — upstream timeout or error propagated
- Malformed VAT input (too short, invalid country prefix) — schema validation error returned
- Country member state does not disclose name or address — name and address fields returned as null
- Transient VIES outage causing intermittent failures
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"vat": "DE811569869"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"meta": {
"country": "DE"
},
"items": [
{
"name": null,
"input": "DE811569869",
"valid": true,
"reason": null,
"source": {
"url": "https://ec.europa.eu/taxation_customs/vies/",
"license": "© European Union — VIES VAT number validation service (free public service)",
"provider": "European Commission — VIES"
},
"address": null,
"vatNumber": "811569869",
"countryCode": "DE",
"requestDate": "2026-06-21T05:05:03.214Z"
}
],
"total": 1,
"source": {
"url": "https://ec.europa.eu/taxation_customs/vies/",
"license": "© European Union — VIES VAT number validation service (free public service)",
"provider": "European Commission — VIES"
}
},
"meta": {
"cost": {
"usd": 0.001,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "tax.vat",
"settlement": {
"txHash": "0x33026a6e5e89d49695765bbbbe80db8bf0cdc06460135494a5554fb5fb38dae6",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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