Doctor Blocked

{
  "checkedAt": "2026-10-05T09:44:33.011Z",
  "explanation": "We received a normal payment request. Your 403 did not. The block is on your ...",
  "product": "x402 Doctor",
  "verdict": "client_problem",
  "weSaw": {
    "checkedAt": "2026-10-05T09:44:33.011Z",
    "evidence": {
      "bodySha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
      "httpStatus": 402
    },
    "latencyMs": 565,
    "payTo": [],
    "paywall": {
      "problems": [],
      "state": "ok_402",
      "x402Version": 2
    },
    "price": [],
    "product": "x402 Doctor",
    "url": "https://www.x402scan.com/api/x402/resources",
    "verdict": "seller_up"
  },
  "youSaw": {
    "status": 403
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.maxwellinternational.ai/v1/doctor/blocked?status=403&url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources'

# 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.maxwellinternational.ai/v1/doctor/blocked?status=403&url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.maxwellinternational.ai%2Fv1%2Fdoctor%2Fblocked
const res = await pay("https://api.maxwellinternational.ai/v1/doctor/blocked?status=403&url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources");
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
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.maxwellinternational.ai/v1/doctor/blocked?status=403&url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources")
    print(res.status_code, res.text)