Token Safety

{
  "contract": {
    "burned_pct": 0.0006,
    "owner": "0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d",
    "ownership_renounced": false,
    "supply": 36063367356.43768,
    "upgradeable_proxy": false,
    "verified_code": true
  },
  "market": {
    "age_days": 1000,
    "buys_24h": 156,
    "change_24h_pct": -2.6,
    "dexscreener": "https://dexscreener.com/base/0xc9034c3e7f58003e6ae0c8438e7c8f4598d5acaa",
    "liquidity_usd": 126892,
    "main_dex": "uniswap",
    "market_cap_usd": 38140256,
    "pairs": 1,
    "price_usd": 0.001057,
    "sells_24h": 352,
    "volume_24h_usd": 27550
  },
  "name": "Degen",
  "network": "base",
  "note": "Automatic, transparent heuristic. Regulated stablecoins (USDC…) have issuer control by law: they score lower without being scams. Not investment advice.",
  "risk": "low",
  "score": 87,
  "signals": [
    {
      "penalty": 8,
      "reason": "Can pause transfers."
    },
    {
      "penalty": 5,
      "reason": "It has a privileged owner (0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d)."
    }
  ],
  "symbol": "DEGEN",
  "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/token-safety' \
  -H 'content-type: application/json' \
  --data-raw '{"network":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}'

# 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/v1/token-safety' \
  -H 'content-type: application/json' \
  --data-raw '{"network":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.006 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.006" });
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 $0.006 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Ftoken-safety&method=POST
const res = await pay("https://api.vextorium.com/v1/token-safety", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "network": "base",
    "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
  }),
});
console.log(res.status, await res.text());

# 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 $0.006 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.006"})
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/v1/token-safety",
        json={
            "network": "base",
            "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
        },
    )
    print(res.status_code, res.text)