Onchain Wallet Profile

{
  "account_type": "eoa-7702-delegated",
  "active_chains": [
    "base",
    "ethereum",
    "arbitrum",
    "optimism",
    "polygon",
    "bsc"
  ],
  "activity_tier": "heavy",
  "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "chains": [
    {
      "chain": "base",
      "native": {
        "balance": 3.12877356138,
        "symbol": "ETH",
        "value_usd": 8603.21
      },
      "tokens": [
        {
          "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "balance": 43.286078,
          "symbol": "USDC",
          "value_usd": 43.28
        }
      ],
      "transactions_sent": 70,
      "value_usd": 9206.54
    }
  ],
  "ens_name": "vitalik.eth",
  "note": "Token balances cover each chain's well-known tokens (stablecoins, wrapped ETH/BTC, native wrappers); transactions_sent is the account nonce.",
  "solana": null,
  "top_holdings": [
    {
      "balance": 6.7178878946,
      "chain": "ethereum",
      "symbol": "ETH",
      "value_usd": 18472.22
    },
    {
      "balance": 3.12877356138,
      "chain": "base",
      "symbol": "ETH",
      "value_usd": 8603.21
    }
  ],
  "total_value_usd": 35219.04,
  "transactions_sent_total": 6095
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://dt0ur.online/api/onchain/wallet-profile' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}'

# 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://dt0ur.online/api/onchain/wallet-profile' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdt0ur.online%2Fapi%2Fonchain%2Fwallet-profile&method=POST
const res = await pay("https://dt0ur.online/api/onchain/wallet-profile", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
  }),
});
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://dt0ur.online/api/onchain/wallet-profile",
        json={
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
        },
    )
    print(res.status_code, res.text)