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EU VAT Number Validation API (x402 Pay-per-call)
x402
EU VAT Number Validation API (x402 Pay-per-call) is a paid API for AI agents from cbs.thesoulnetwork.eu, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Validates an EU VAT number and returns registration details including company name, country, and validity status for $0.01 USDC per call.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay $0.01 USDC per call to validate IBANs, EU VAT numbers and Dutch postcodes, and to query CBS housing, company, domain and EU sanctions data on Base Mainnet.
Output
A JSON object containing the input VAT number, a boolean validity flag, the country code, the VAT number portion without country prefix, the request date, and the registered company name associated with that VAT number.
Example use cases
Supplier onboarding VAT check
“Before we onboard this new Dutch supplier, can you verify their VAT number NL123456789B01 is valid and confirm the registered company name matches 'Bakker Logistics B.V.'?”
Invoice compliance verification
“I just received an invoice from a company claiming VAT number DE123456789 — can you validate it's a legitimate registered EU VAT number before I approve payment?”
E-commerce B2B customer validation
“A business customer wants to buy tax-exempt. Their VAT number is FR12345678901 — please check if it's valid and what company name is registered to it.”
Technical details
Endpoint
GEThttps://cbs.thesoulnetwork.eu/vat?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time EU VAT number validation with company name lookup at minimal cost ($0.01 per call) and are comfortable with cryptocurrency micropayments via x402 on Base Mainnet. It is part of a broader Dutch/EU open data proxy suite, making it ideal for workflows that also need IBAN, postcode, or CBS data checks in the same ecosystem.
Side effects
- Invalid or malformed VAT number format returns valid: false with no company name
- VAT number not found in registry returns valid: false
- Network or upstream VIES service unavailability causes timeout or error response
- Payment failure (insufficient USDC balance) results in HTTP 402 before query is processed
- Unsupported country prefix returns an error or invalid result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"input": "NL852378361B01",
"valid": true,
"country": "NL",
"vatNumber": "852378361B01",
"requestDate": "2026-01-01T00:00:00Z",
"registeredName": "Example B.V."
}
}Tags
x402
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