Vat
by Citiview Agent Market in Markets & finance
EU VAT number check against the official VIES register (valid, company name and address), plus IBAN checksum and BIC/SWIFT format validation. Check a supplier before paying an invoice.
GET https://agents.citiviewgroup.com/v1/vat
Last 30 days
Status and outage history · Atom feed
- Uptime
- 100%
- Response time
- 1.3 s typical, 1.6 s slowest 5%
- Last check
- 43 min ago
- Next check
- any minute now
How to call it
GET https://agents.citiviewgroup.com/v1/vat
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.
GET https://agents.citiviewgroup.com/v1/vat?iban=DE89370400440532013000&vat=DE811907980Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
bic | string | No | |
iban | string | No | |
vat | string | No | e.g. DE811907980 |
Example response
The provider's example. We can't check it without paying.
{
"iban": {
"country": "DE",
"valid": true
},
"vat": {
"country": "DE",
"valid": true
}
}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 'https://agents.citiviewgroup.com/v1/vat?iban=DE89370400440532013000&vat=DE811907980'
# 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 - 'https://agents.citiviewgroup.com/v1/vat?iban=DE89370400440532013000&vat=DE811907980' \
| 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%2Fagents.citiviewgroup.com%2Fv1%2Fvat
const res = await pay("https://agents.citiviewgroup.com/v1/vat?iban=DE89370400440532013000&vat=DE811907980");
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.get("https://agents.citiviewgroup.com/v1/vat?iban=DE89370400440532013000&vat=DE811907980")
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 |
|---|---|---|---|---|
| 43 min ago | Passed | 402 | 109 ms | $0.003 |
| 5 h ago | Passed | 402 | 1.6 s | $0.003 |
| 9 h ago | Passed | 402 | 2.1 s | $0.003 |
| 13 h ago | Passed | 402 | 1.3 s | $0.003 |
| 22 h ago | Passed | 402 | 660 ms | $0.003 |