Url Inspect

{
  "bytes_transferred": 117330,
  "cache_control": "max-age=0, private, must-revalidate",
  "cdn": null,
  "code": 200,
  "compression": "gzip",
  "content_type": "text/html; charset=utf-8",
  "cookies": [
    "_gh_sess",
    "_octo"
  ],
  "etag": true,
  "headers": {
    "accept-ranges": "bytes",
    "cache-control": "max-age=0, private, must-revalidate",
    "content-encoding": "gzip",
    "content-language": "en-US",
    "content-security-policy": "default-src 'none'; base-uri 'self'; child-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazona…",
    "content-type": "text/html; charset=utf-8",
    "date": "Fri, 02 Oct 2026 16:30:56 GMT",
    "etag": "W/\"f5927ebefa94d7b7c704363775d026a9\"",
    "referrer-policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
    "server": "github.com",
    "set-cookie": "_gh_sess=FtpXJflRwzWWLBj5ITkvuGi7%2F3dD0cM4CdYBXQGU9NgjhOFskxjkkzfFm1edKFFzojtmR8BZf%2BU31znZqmyKL54V%2FTF603fhH7QShHG38nZPftF7nviYfq5HkAVkXBml%2BFDu59%2F3y9QT7qY3ev1oyg9U6Fa8D48ptba%2BObanKOLVj7Q8CRvDJ2p837UeUzR1iMCSA2dDwvexx5%2FL%2FKQHDzXYpXHfhZ9kNcQhJ4dNnMyxObA79XphdhFnsU5xSY3bzaqsHyAwwlmVeHTj%2F…",
    "strict-transport-security": "max-age=31536000; includeSubdomains; preload",
    "transfer-encoding": "chunked",
    "vary": "X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, X-GitHub-Client-Version, Accept-Language, Sec-Fetch-Site,Accept-Encoding, Accept, X-Requested-With",
    "x-content-type-options": "nosniff",
    "x-frame-options": "deny",
    "x-github-edge-region": "fra",
    "x-github-request-id": "711F:6C8A6:14090F4:1331E12:6ABFDC41",
    "x-xss-protection": "0"
  },
  "redirects": 0,
  "security_headers": {
    "content-security-policy": true,
    "permissions-policy": false,
    "referrer-policy": true,
    "strict-transport-security": true,
    "x-content-type-options": true,
    "x-frame-options": true
  },
  "server": "github.com",
  "time_to_first_byte_ms": 168,
  "total_time_ms": 255,
  "url_final": "https://github.com/"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/url-inspect' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://github.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 - -X POST 'https://api.vextorium.com/v1/url-inspect' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://github.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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Furl-inspect&method=POST
const res = await pay("https://api.vextorium.com/v1/url-inspect", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "url": "https://github.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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/url-inspect",
        json={
            "url": "https://github.com",
        },
    )
    print(res.status_code, res.text)