Counterpartycheck Quick

{
  "address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
  "chain": "ethereum",
  "checks": {
    "cross_chain": {
      "base": {
        "kind": "eoa",
        "nonce": 0
      }
    },
    "identity": {
      "ens": {
        "name": "vitalik.eth",
        "verified": true
      }
    }
  },
  "confidence": "high",
  "facts": {
    "delegate": "0x5a7fc11397e9a8ad41bf10bf13f22b0a63f96f6d",
    "kind": "eip7702_delegated_eoa",
    "nonce": 5969
  },
  "intent": "pay",
  "reasons": [
    {
      "code": "eip7702",
      "severity": "info",
      "text": "EOA with an EIP-7702 delegation to 0x5a7fc11397e9a8ad41bf10bf13f22b0a63f96f6d: its code is the delegate contract."
    },
    {
      "code": "verified",
      "severity": "good",
      "text": "Delegate contract source verified on Sourcify."
    },
    {
      "code": "ens",
      "severity": "good",
      "text": "ENS name vitalik.eth (reverse record, forward-verified)."
    }
  ],
  "summary": "OK: no risk signal found for this eip7702 delegated eoa on Ethereum (verified, ens).",
  "tier": "quick",
  "verdict": "ok"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/counterpartycheck/v1/quick?address=0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F&chain=base&intent=pay'

# 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.youraitools.co/counterpartycheck/v1/quick?address=0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F&chain=base&intent=pay' \
  | 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 $0.015 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.015" });
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 $0.015 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Fcounterpartycheck%2Fv1%2Fquick
const res = await pay("https://api.youraitools.co/counterpartycheck/v1/quick?address=0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F&chain=base&intent=pay");
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 $0.015 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.015"})
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.youraitools.co/counterpartycheck/v1/quick?address=0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F&chain=base&intent=pay")
    print(res.status_code, res.text)