Counterpartycheck Full

{
  "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "chain": "base",
  "checks": {
    "age": {
      "at": "2023-08-18T18:36:29.000Z",
      "basis": "contract creation block",
      "block": 2797221,
      "days": 1160,
      "known": true
    }
  },
  "confidence": "high",
  "facts": {
    "kind": "contract",
    "token": {
      "decimals": 6,
      "symbol": "USDC"
    }
  },
  "intent": "pay",
  "reasons": [
    {
      "code": "token_contract",
      "severity": "danger",
      "text": "This is the USDC token contract itself, not a wallet: tokens sent to a token contract are usually lost."
    },
    {
      "code": "known_label",
      "severity": "good",
      "text": "Known address: USDC (Circle, Base)."
    },
    {
      "code": "verified",
      "severity": "good",
      "text": "Contract source verified on Sourcify (FiatTokenProxy)."
    },
    {
      "code": "established",
      "severity": "good",
      "text": "Established: contract creation block 1160 days ago (2023-08-18)."
    }
  ],
  "summary": "BLOCK: This is the USDC token contract itself, not a wallet: tokens sent to a token contract are usually lost.",
  "tier": "full",
  "verdict": "block"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/counterpartycheck/v1/full?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/full?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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Fcounterpartycheck%2Fv1%2Ffull
const res = await pay("https://api.youraitools.co/counterpartycheck/v1/full?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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
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/full?address=0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F&chain=base&intent=pay")
    print(res.status_code, res.text)