ToolVet
16trust / 100

Nft Owner

by Vextorium in Onchain & crypto

x402 APIFailing, checked 53 min 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/v1/nft-owner

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
53 min ago: Amount "0.003" is not in atomic token units
Next check
in 11 min

How to call it

# bash or zsh: see the payment challenge (nothing is charged)
curl -g -i -X POST 'https://api.vextorium.com/v1/nft-owner' \
  -H 'content-type: application/json' \
  --data-raw '{"contract":"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D","network":"ethereum","token_id":"1"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fnft-owner
const res = await pay("https://api.vextorium.com/v1/nft-owner", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: "{\"contract\":\"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D\",\"network\":\"ethereum\",\"token_id\":\"1\"}",
});
console.log(await res.json());

Example input

{
  "contract": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
  "network": "ethereum",
  "token_id": "1"
}

Example output

{
  "collection": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
  "name": "BoredApeYachtClub",
  "network": "ethereum",
  "owner": "0x46EFbAedc92067E6d60E84ED6395099723252496",
  "token_id": "1",
  "token_uri": "ipfs://QmeSjSinHpPnmXmspMjwiXyN6zS4E9zccariGR3jxcaWtq/1"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
53 min agoAmount "0.003" is not in atomic token units40279 ms$0.003
5 h agoAmount "0.003" is not in atomic token units402222 ms$0.003
10 h agoAmount "0.003" is not in atomic token units402171 ms$0.003
14 h agoAmount "0.003" is not in atomic token units402243 ms$0.003
19 h agoAmount "0.003" is not in atomic token units40299 ms$0.003
23 h agoAmount "0.003" is not in atomic token units40284 ms$0.003
27 h agoAmount "0.003" is not in atomic token units40274 ms$0.003
31 h agoAmount "0.003" is not in atomic token units40272 ms$0.003
35 h agoAmount "0.003" is not in atomic token units40294 ms$0.003
39 h agoAmount "0.003" is not in atomic token units40288 ms$0.003
43 h agoAmount "0.003" is not in atomic token units40286 ms$0.003
47 h agoAmount "0.003" is not in atomic token units402177 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40276 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40276 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40278 ms$0.003