83trust / 100

Doctor Checkup

by Maxwell x402 in Onchain & crypto

x402 APIPassing, checked 17 min ago

x402 Doctor checkup of any x402 endpoint, without buying: whether it answers with a valid payment request, its x402 version and any problems in it, the prices and networks it asks for, its payTo wallets and response time.

GET https://api.maxwellinternational.ai/v1/doctor/checkup

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
170 ms typical, 170 ms slowest 5%
Last check
17 min ago
Next check
in 11 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.maxwellinternational.ai/v1/doctor/checkup?url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.maxwellinternational.ai%2Fv1%2Fdoctor%2Fcheckup
const res = await pay("https://api.maxwellinternational.ai/v1/doctor/checkup?url=https%3A%2F%2Fwww.x402scan.com%2Fapi%2Fx402%2Fresources");
console.log(await res.json());

Example input

{
  "url": "https://www.x402scan.com/api/x402/resources"
}

Example output

{
  "checkedAt": "2026-10-05T09:44:33.323Z",
  "evidence": {
    "bodySha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "httpStatus": 402
  },
  "latencyMs": 271,
  "payTo": [
    "0x2EC4545f96A24876764bF2B04D54E66A1351bE71"
  ],
  "paywall": {
    "problems": [],
    "state": "ok_402",
    "x402Version": 2
  },
  "price": [
    {
      "amount": "10000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "network": "eip155:8453",
      "payTo": "0x2EC4545f96A24876764bF2B04D54E66A1351bE71",
      "scheme": "exact",
      "usd": 0.01
    }
  ],
  "product": "x402 Doctor",
  "url": "https://www.x402scan.com/api/x402/resources",
  "verdict": "seller_up"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
17 min agoPassed402170 ms$0.002
4 h agoPassed40272 ms$0.002
9 h agoPassed402244 ms$0.002