Arc Wallet

{
  "data": {
    "address": "0x024b82335c29fa5606a8ea5c1d24fc9ead50700c",
    "block": 25113887,
    "chain": "Arc mainnet (5042)",
    "method": "Balances read live (getBalance + Multicall3 balanceOf/decimals/symbol). USD valu…",
    "ok": true,
    "tokens": [
      {
        "balance": 1737911.531942986,
        "decimals": 9,
        "liquidityUsdEstimate": 27.5,
        "symbol": "APEX",
        "token": "0x59933f316417c89d9dc5107b30f08c99b774ea9d",
        "usdPrice": 0.00002318672117375561,
        "usdValue": 40.29647,
        "warnings": []
      }
    ],
    "totalUsd": 40.745057,
    "unpriced": 0,
    "usdc": {
      "balance": 0.4485868151898201,
      "note": "native USDC (the gas token); the same balance shows through the ERC-20 interface…"
    }
  },
  "ok": true,
  "paid": 0.002
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://apexfaucet.xyz/api/x402/arc-wallet?address=0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C'

# 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://apexfaucet.xyz/api/x402/arc-wallet?address=0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C' \
  | 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 $0.002 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%2Fapexfaucet.xyz%2Fapi%2Fx402%2Farc-wallet
const res = await pay("https://apexfaucet.xyz/api/x402/arc-wallet?address=0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C");
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 $0.002 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://apexfaucet.xyz/api/x402/arc-wallet?address=0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C")
    print(res.status_code, res.text)