ToolVet
15trust / 100

Nft Propietario Pago

by Vextorium in Onchain & crypto

x402 APIFailing, checked 3 h ago

Current owner of an ERC-721 NFT by token_id (ownerOf), with collection name and tokenURI. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain.

POST
https://api.vextorium.com/nft-propietario-pago
Price
$0.003
per call in USDC
Uptime
0.0%
last 30 days
Response time
-
no timed checks yet
Last check
Failed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 3 h ago: Amount "0.003" is not in atomic token units

Status and outage history · Atom feed

How to call it

POST https://api.vextorium.com/nft-propietario-pago

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://api.vextorium.com/nft-propietario-pago
content-type: application/json

{
  "contrato": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
  "red": "ethereum",
  "token_id": "1"
}

Parameters

ParameterTypeRequiredDescription
contratostringYes
redstringNoChain (default base) One of: base, ethereum, arbitrum, optimism, polygon, bnb, avalanche, gnosis, linea, scroll, sonic, unichain.
token_idstringYes

Example response

The provider's example. We can't check it without paying.

{
  "coleccion": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
  "nombre": "BoredApeYachtClub",
  "propietario": "0x46EFbAedc92067E6d60E84ED6395099723252496",
  "red": "ethereum",
  "token_id": "1",
  "token_uri": "ipfs://QmeSjSinHpPnmXmspMjwiXyN6zS4E9zccariGR3jxcaWtq/1"
}

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://api.vextorium.com/nft-propietario-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"contrato":"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D","red":"ethereum","token_id":"1"}'

# 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://api.vextorium.com/nft-propietario-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"contrato":"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D","red":"ethereum","token_id":"1"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: 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%2Fapi.vextorium.com%2Fnft-propietario-pago&method=POST
const res = await pay("https://api.vextorium.com/nft-propietario-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "contrato": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
    "red": "ethereum",
    "token_id": "1"
  }),
});
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://api.vextorium.com/nft-propietario-pago",
        json={
            "contrato": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
            "red": "ethereum",
            "token_id": "1",
        },
    )
    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

WhenResultHTTPTimePrice
3 h agoAmount "0.003" is not in atomic token units402105 ms$0.003
8 h agoAmount "0.003" is not in atomic token units402275 ms$0.003
13 h agoAmount "0.003" is not in atomic token units402292 ms$0.003
17 h agoAmount "0.003" is not in atomic token units402230 ms$0.003
22 h agoAmount "0.003" is not in atomic token units402268 ms$0.003
Show 10 older checks
27 h agoAmount "0.003" is not in atomic token units40294 ms$0.003
31 h agoAmount "0.003" is not in atomic token units402122 ms$0.003
36 h agoAmount "0.003" is not in atomic token units402232 ms$0.003
40 h agoAmount "0.003" is not in atomic token units40283 ms$0.003
45 h agoAmount "0.003" is not in atomic token units40283 ms$0.003
2 days agoAmount "0.003" is not in atomic token units402235 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40286 ms$0.003
2 days agoAmount "0.003" is not in atomic token units402265 ms$0.003
3 days agoAmount "0.003" is not in atomic token units40277 ms$0.003
3 days agoAmount "0.003" is not in atomic token units40282 ms$0.003