ToolVet
71trust / 100

Tokenguard Evm Check

by TokenGuard EVM in Onchain & crypto

x402 APIPassing, checked 1 h ago

EVM token contract-risk check before buying, read directly from chain state (base, ethereum, arbitrum, optimism, polygon, bnb). Returns SAFE/CAUTION/DANGER, 0-100 risk score, ownership (renounced or not), upgradeable proxy, and mint/pause/blacklist capability. Flags DANGER: blacklist, pausable, upgradeable proxy or mint with owner; CAUTION: owner not renounced, max tx limit, fee exclusion. Query: ?address=0xTOKEN&chain=base|ethereum|arbitrum|optimism|polygon|bnb

GET
https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check
Price
$0.002
per call in USDC
Uptime
100%
last 30 days
Response time
1.7 s
1.9 s slowest 5%
Last check
Passed
1 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check

Each call costs $0.002 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://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base

Parameters

ParameterTypeRequiredDescription
addressstringYesEVM token contract address (0x...)
chainstringNoChain to analyze, default base One of: base, ethereum, arbitrum, optimism, polygon, bnb.

Example response

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

Example response, 27 lines
{
  "address": "0x...",
  "chain": "base",
  "control": {
    "capabilities": [
      "mint"
    ],
    "implementation": "0x...",
    "owner": "0x...",
    "owner_renounced": false,
    "upgradeable_proxy": true
  },
  "flags": [
    "upgradeable_proxy",
    "owner_not_renounced",
    "mint_function"
  ],
  "risk_score": 65,
  "token": {
    "decimals": 18,
    "name": "Example",
    "standard": "erc20",
    "supply": 1000000000,
    "symbol": "EX"
  },
  "verdict": "DANGER"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base'

# 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://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgdzlcxskuhupymyxywzm.supabase.co%2Ffunctions%2Fv1%2Ftokenguard-evm%2Fv1%2Fcheck
const res = await pay("https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard-evm/v1/check?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base")
    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
1 h agoPassed4021.6 s$0.002
6 h agoPassed4021.8 s$0.002
12 h agoPassed4021.7 s$0.002
17 h agoPassed4021.9 s$0.002
22 h agoPassed4021.7 s$0.002

History

17 Oct 2026Price on Solana changed from $0.01 to $0.002; Price on Base changed from $0.01 to $0.002