Github Repo

{
  "archived": false,
  "checkedAt": "2026-10-13T18:40:00.000Z",
  "commitsLast4Weeks": 43,
  "contributors": [
    {
      "contributions": 23,
      "login": "bck-stack",
      "url": "https://github.com/bck-stack"
    }
  ],
  "createdAt": "2026-09-28T11:36:09Z",
  "defaultBranch": "main",
  "description": "Pay-per-call AI and web tools for agents on Cloudflare Workers, paid with x402",
  "fork": false,
  "forks": 0,
  "languages": [
    {
      "name": "JavaScript",
      "percent": 100
    }
  ],
  "latestRelease": null,
  "license": "MIT",
  "openIssues": 1,
  "openPullRequests": 0,
  "primaryLanguage": "JavaScript",
  "pushedAt": "2026-10-13T18:38:25Z",
  "repo": "bck-stack/sitecheck-x402",
  "source": "GitHub REST API (https://docs.github.com/rest), public repository data under GitHub's terms",
  "stars": 1,
  "topics": [
    "ai-agents",
    "cloudflare-workers",
    "x402"
  ],
  "url": "https://github.com/bck-stack/sitecheck-x402",
  "watchers": 0
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/github/repo?repo=cloudflare%2Fworkers-sdk'

# 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/github/repo?repo=cloudflare%2Fworkers-sdk' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fgithub%2Frepo
const res = await pay("https://api.sitecheck-api.workers.dev/api/github/repo?repo=cloudflare%2Fworkers-sdk");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
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/github/repo?repo=cloudflare%2Fworkers-sdk")
    print(res.status_code, res.text)