Vat Validate
by Toolrail in Company & people data
Validate an EU VAT number against the official European Commission VIES registry, with retries and caching for reliability. Returns validity, company name and address. Use when onboarding or invoicing an EU business and you must confirm its VAT number is registered.
POST https://toolrail.dev/vat/validate
Last 30 days
Status and outage history · Atom feed
- Uptime
- 100%
- Response time
- 613 ms typical, 825 ms slowest 5%
- Last check
- 20 min ago
- Next check
- in 10 min
How to call it
POST https://toolrail.dev/vat/validate
Each call costs $0.003 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://toolrail.dev/vat/validate
content-type: application/json
{
"countryCode": "IE",
"vatNumber": "6388047V"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
countryCode | string | No | |
vatNumber | string | No |
Example response
The provider's example. We can't check it without paying.
{
"consultationDate": "2026-07-22T12:00:00Z",
"countryCode": "IE",
"name": "GOOGLE IRELAND LIMITED",
"source": "European Commission VIES",
"valid": true,
"vatNumber": "6388047V"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.003.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://toolrail.dev/vat/validate' \
-H 'content-type: application/json' \
--data-raw '{"countryCode":"IE","vatNumber":"6388047V"}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://toolrail.dev/vat/validate' \
-H 'content-type: application/json' \
--data-raw '{"countryCode":"IE","vatNumber":"6388047V"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftoolrail.dev%2Fvat%2Fvalidate&method=POST
const res = await pay("https://toolrail.dev/vat/validate", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"countryCode": "IE",
"vatNumber": "6388047V"
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://toolrail.dev/vat/validate",
json={
"countryCode": "IE",
"vatNumber": "6388047V",
},
)
print(res.status_code, res.text)Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 20 min ago | Passed | 402 | 640 ms | $0.003 |
| 4 h ago | Passed | 402 | 598 ms | $0.003 |
| 8 h ago | Passed | 402 | 289 ms | $0.003 |
| 12 h ago | Passed | 402 | 715 ms | $0.003 |
| 16 h ago | Passed | 402 | 300 ms | $0.003 |
| 20 h ago | Passed | 402 | 823 ms | $0.003 |
| 24 h ago | Passed | 402 | 613 ms | $0.003 |
| 28 h ago | Passed | 402 | 226 ms | $0.003 |
| 31 h ago | Passed | 402 | 196 ms | $0.003 |
| 35 h ago | Passed | 402 | 831 ms | $0.003 |
| 38 h ago | Passed | 402 | 662 ms | $0.003 |
| 42 h ago | Passed | 402 | 582 ms | $0.003 |
| 45 h ago | Passed | 402 | 227 ms | $0.003 |
| 2 days ago | Passed | 402 | 825 ms | $0.003 |
| 2 days ago | Passed | 402 | 637 ms | $0.003 |