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code402 VAT Check
x402
code402 VAT Check is a paid API for AI agents from gateway.code402.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Validates a VAT registration number and returns its validity status, merchant details, and country information via a micropayment-gated API.
Price / call$0.005
Success—
StatusUnknown
How this service works
Machine-payable APIs over x402 (HTTP 402 + USDC) on the open M2M/1 protocol. Non-custodial: payments settle direct to seller wallets.
Output
Returns a structured response indicating whether the VAT number is valid or invalid, along with the registered business name, address, and country associated with that VAT registration number.
Example use cases
Invoice compliance before payment
“Before I pay this supplier invoice, can you verify their VAT number DE811128135 is valid and confirm the registered business name matches?”
Onboarding new B2B customer
“We're onboarding a new EU business client who gave us VAT number FR12345678901 — can you validate it and pull the registered company details for our records?”
Accounting audit check
“I need to verify whether VAT number IT12345678901 was a valid active registration — can you look it up and tell me the business name and address on file?”
Technical details
Endpoint
POSThttps://gateway.code402.dev/api/vat-checkWhen to prefer
Use this endpoint when you need a lightweight, pay-per-use VAT number validation without a monthly SaaS subscription. Ideal for agents that only occasionally need VAT checks and want to pay $0.005 per call via USDC micropayments with no API key setup. Prefer this over VIES direct integration when you need a simple REST interface with automatic payment settlement.
Side effects
- Invalid or malformed VAT number format returns a validation error
- VAT number not found in registry returns invalid/not-registered status
- Unsupported country code returns an error
- Payment failure (insufficient USDC balance or x402 handshake failure) blocks the request
- Rate limiting or gateway downtime returns 5xx errors
Tags
x402
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