Token Card

{
  "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  "card": {
    "disclaimer": "Not financial advice.",
    "explanation": "Bytecode analysis flagged no mint, blacklist, pause, or fee-setting functions, and the contract is not an upgradeable proxy. Liquidity was found on Uniswap V2, V3, and Aerodrome, and the JEV risk verdict is caution with 99% probability. Ownership is not renounced, and holder analysis was skipped because this is an established token.",
    "note": "CAUTION",
    "source": "claude",
    "tagline": "Base USDC: no risky functions found, but verdict is CAUTION."
  },
  "network": {
    "caip2": "eip155:8453",
    "key": "base",
    "name": "Base"
  },
  "token_risk_verdict": {
    "confidence": 0.98,
    "probabilities": {
      "acceptable": 0,
      "avoid": 0.01,
      "caution": 0.99
    },
    "probability": 0.99,
    "verdict": "caution",
    "verdict_source": "jev"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.agentindex.world/token-card?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'

# 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://x402.agentindex.world/token-card?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.agentindex.world%2Ftoken-card
const res = await pay("https://x402.agentindex.world/token-card?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402.agentindex.world/token-card?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913")
    print(res.status_code, res.text)