EN
Tax & identifiers · x402

eu-vat

EU VAT number validation against the European Commission VIES service, with normalised output (valid, name, address).

0.003 USDC / call · {atomic} atomic · 3000 atomic

Endpoint

GET|POST https://x402-gateway.forge-x402.workers.dev/api/eu-vat
MCP tool:: eu_vat

Parameters

NameRequiredTypeDescription
vatRequiredstringVAT number with 2-letter country prefix, e.g. FR40303265045

Example request (unpaid — expect 402)

curl -sS -D - "https://x402-gateway.forge-x402.workers.dev/api/eu-vat?vat=FR40303265045"

Example 402 challenge

The same object is also sent as a base64 PAYMENT-REQUIRED header. Amounts are atomic USDC units (6 decimals).

{
  "x402Version": 2,
  "error": "Payment required",
  "resource": {
    "url": "https://x402-gateway.forge-x402.workers.dev/api/eu-vat",
    "description": "EU VAT number validation against the European Commission VIES service, with normalised output (valid, name, address).",
    "mimeType": "application/json"
  },
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "amount": "3000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x7B8bf45ac6AcbA6D4CFB626b57D3f5fF3C9C89F7",
      "maxTimeoutSeconds": 120,
      "extra": {
        "name": "USD Coin",
        "version": "2"
      }
    }
  ]
}

Retry with payment

curl -sS "https://x402-gateway.forge-x402.workers.dev/api/eu-vat?vat=FR40303265045" \
  -H "PAYMENT-SIGNATURE: $PAYMENT"

Example response

{
  "valid": true,
  "country": "FR",
  "number": "40303265045",
  "name": "SA SODIMAS"
}

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