the402 endpoint detail

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staging.402utils.com v1 vat-check

https://staging.402utils.com/v1/vat-check

payable

Validate an EU VAT number against the official VIES registry before invoicing, onboarding or a reverse charge. Per-country syntax is checked locally first, so invalid formats never touch the network. Valid numbers return the registered company name and address when disclosed, plus an optional consultation number (requesterVat). Never a false 'invalid': if VIES is down you get a 503 and are not cha

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.002
Network
base-sepolia
Pay to
0xc55A2D530b53CBaD1001e4AfD4720B7E71f9C291
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
2046 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:13:50.245Z (2d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fstaging.402utils.com%2Fv1%2Fvat-check"