Wiki

{
  "attribution": "CC BY-SA 4.0, Wikipedia contributors: https://en.wikipedia.org/wiki/Cloudflare",
  "checkedAt": "2026-10-13T18:40:00.000Z",
  "description": "American technology company",
  "facts": {
    "coordinates": null,
    "country": {
      "id": "Q30",
      "label": "United States"
    },
    "dateOfBirth": null,
    "headquarters": {
      "id": "Q62",
      "label": "San Francisco"
    },
    "inception": "2009-11",
    "website": "https://www.cloudflare.com/"
  },
  "found": true,
  "lang": "en",
  "license": "CC BY-SA 4.0, Wikipedia contributors",
  "source": "Wikipedia REST API (https://www.mediawiki.org/wiki/API:REST_API) and Wikidata (https://www.wikidata.org, CC0 facts)",
  "summary": "Cloudflare, Inc., is an American technology company headquartered in San Francisco, California...",
  "thumbnail": "https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Cloudflare_office_entrance_area.jpg/330px-Cloudflare_office_entrance_area.jpg",
  "title": "Cloudflare",
  "url": "https://en.wikipedia.org/wiki/Cloudflare",
  "wikidataId": "Q4778915"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/wiki?lang=en&q=Cloudflare'

# 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/wiki?lang=en&q=Cloudflare' \
  | 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%2Fwiki
const res = await pay("https://api.sitecheck-api.workers.dev/api/wiki?lang=en&q=Cloudflare");
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/wiki?lang=en&q=Cloudflare")
    print(res.status_code, res.text)