Meta

{
  "canonical": "https://example.com/",
  "checkedAt": "2026-10-13T09:00:00.000Z",
  "contentType": "text/html",
  "description": {
    "length": 0,
    "text": null
  },
  "finalUrl": "https://example.com/",
  "headings": [
    {
      "level": 1,
      "text": "Example Domain"
    }
  ],
  "hreflang": [],
  "icons": {
    "appleTouchIcon": null,
    "favicon": null
  },
  "issues": [
    "missing meta description",
    "missing og:title",
    "missing og:image: link previews have no picture",
    "only 28 words of visible text"
  ],
  "jsonLd": {
    "count": 0,
    "objects": [],
    "types": []
  },
  "lang": "en",
  "openGraph": {
    "description": null,
    "image": null,
    "siteName": null,
    "title": null,
    "type": null,
    "url": null
  },
  "robots": null,
  "status": 200,
  "title": {
    "length": 14,
    "text": "Example Domain"
  },
  "twitter": {
    "card": null,
    "description": null,
    "image": null,
    "site": null,
    "title": null
  },
  "url": "https://example.com/",
  "wordCount": 28
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/meta?url=example.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://api.sitecheck-api.workers.dev/api/meta?url=example.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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fmeta
const res = await pay("https://api.sitecheck-api.workers.dev/api/meta?url=example.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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
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.sitecheck-api.workers.dev/api/meta?url=example.com")
    print(res.status_code, res.text)