Cloud Fingerprint Analyze

{
  "cdn": {
    "confidence": "medium",
    "provider": "Cloudflare",
    "signals": [
      "cf-ray header present"
    ]
  },
  "cname_chain": [],
  "dns_provider": {
    "confidence": "high",
    "provider": "Cloudflare DNS",
    "signals": [
      "NS ns3.cloudflare.com contains cloudflare.com"
    ]
  },
  "domain": "cloudflare.com",
  "email_provider": {
    "confidence": null,
    "provider": null,
    "signals": []
  },
  "findings": [],
  "grade": "A",
  "hosting": {
    "confidence": "medium",
    "provider": "Cloudflare",
    "signals": [
      "cf-ray header present"
    ]
  },
  "http_fingerprint": {
    "https_enforced": true,
    "notable_headers": [
      "cf-ray"
    ],
    "server_header": "cloudflare",
    "server_version_exposed": false,
    "x_powered_by": null
  },
  "http_reachable": true,
  "resolved_ips": [
    "104.16.133.229",
    "104.16.132.229"
  ],
  "score": 100,
  "tls": {
    "issuer": "Google Trust Services",
    "san_count": 5,
    "wildcard": true
  },
  "waf": [
    {
      "confidence": "medium",
      "provider": "Cloudflare WAF",
      "signals": [
        "cf-ray header present"
      ]
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://netintel.dev/cloud-fingerprint/analyze?domain=cloudflare.com'

# 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://netintel.dev/cloud-fingerprint/analyze?domain=cloudflare.com' \
  | 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%2Fnetintel.dev%2Fcloud-fingerprint%2Fanalyze
const res = await pay("https://netintel.dev/cloud-fingerprint/analyze?domain=cloudflare.com");
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.get("https://netintel.dev/cloud-fingerprint/analyze?domain=cloudflare.com")
    print(res.status_code, res.text)