Evm Wallet

{
  "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "chains": [
    {
      "chain": "ethereum",
      "native": {
        "amount": 5.769654,
        "priceUsd": 2506.665,
        "symbol": "ETH",
        "valueUsd": 14462.59
      },
      "tokens": [
        {
          "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
          "amount": 37.192124,
          "priceUsd": 1,
          "symbol": "USDC",
          "valueUsd": 37.19
        },
        {
          "address": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
          "amount": 291.368219,
          "priceUsd": 0.998775,
          "symbol": "USDT",
          "valueUsd": 291.01
        }
      ],
      "totalUsd": 14790.79
    }
  ],
  "checkedAt": "2026-10-13T18:51:24.185Z",
  "disclaimer": "Information only, not financial advice.",
  "notes": "Only the major tokens listed in lib/data/crypto-evm-tokens.json are checked (USDC, USDT, EURC, DAI, WETH, cbBTC and WBTC where listed); other tokens and NFTs are not counted. Zero balances are omitted. Native balance is always shown.",
  "sources": [
    "Public JSON-RPC endpoints (Multicall3 aggregate3, one call per chain)",
    "Coinbase spot prices (https://api.coinbase.com/v2/prices)"
  ],
  "totalUsd": 14790.79
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/evm/wallet?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=ethereum'

# 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://api.sitecheck-api.workers.dev/api/evm/wallet?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=ethereum' \
  | 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 $0.003 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.sitecheck-api.workers.dev%2Fapi%2Fevm%2Fwallet
const res = await pay("https://api.sitecheck-api.workers.dev/api/evm/wallet?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=ethereum");
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 $0.003 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.get("https://api.sitecheck-api.workers.dev/api/evm/wallet?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=ethereum")
    print(res.status_code, res.text)