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agentsvc.io VAT Number Validator
x402
agentsvc.io VAT Number Validator is a paid API for AI agents from agentsvc.io, paid per call via x402, $0.0045/call, status unknown (last checked 2026-10-10).
Validates EU VAT numbers against the official EU VIES system, returning business name, address, and validation status
Price / call$0.0045
Success—
StatusUnknown
How this service works
86 APIs for AI agents: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search and more, paid per call with USDC on Base, Solana, Polygon or Arbitrum via x402. No account, no API key, free sample on every service.
Output
Returns a JSON object containing: the business's registered name, a boolean validity flag, the data source (EU VIES), the registered address, the timestamp of the check, the raw and full VAT numbers, country code, and a boolean indicating whether the number's format is valid — even if the business is not currently active in VIES.
Example use cases
Supplier VAT check before payment
“Before I process this invoice, can you verify that the VAT number GB123456789 is a legitimate registered UK business — I need the company name and address too.”
B2B onboarding compliance check
“We're onboarding a new German client who gave us VAT number DE811128135 — can you confirm it's valid in the EU VIES system and pull their registered business details?”
Invoice validation for accounting
“Our accounting software flagged a VAT number from a French vendor — can you check if FR40303265045 is valid and get the official registered name and address for our records?”
Technical details
Endpoint
POSThttps://agentsvc.io/api/v1/proxy/vat-validate?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to verify a European or UK/Northern Ireland VAT number against the authoritative EU VIES database. It is the canonical source for EU VAT validation and returns structured business identity data (name + address), making it ideal for B2B onboarding, invoice compliance, and supplier verification workflows. Prefer this over manual lookups or country-specific tax authority checks when you need a single consistent API for cross-EU validation.
Side effects
- Invalid or malformed VAT number format returns format_valid: false
- VAT number not found in VIES returns valid: false with no name or address
- Missing country prefix without country_code parameter may cause lookup failure
- VIES system unavailability can result in timeouts or errors
- Non-EU country codes are not supported
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| vat_number | string | VAT number, ideally with EU country prefix |
| country_code | string | Two-letter EU code if the number has no prefix (EL for Greece, XI for Northern Ireland) |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"name": "OPENJONGERENVERENIGING DE KOORNBEURS",
"valid": true,
"source": "EU VIES",
"address": "VOLDERSGRACHT 00001, 2611ET DELFT",
"checked_at": "2026-10-06T14:17:43.626Z",
"vat_number": "004495445B01",
"country_code": "NL",
"format_valid": true,
"full_vat_number": "NL004495445B01"
},
"success": true
}
}Tags
x402
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