{
  "service": "x402check",
  "summary": "Live x402 conformance pre-flight. Pass ?url=<https x402 endpoint> and pay to get a structured PASS/WARN/FAIL verdict on its 402 challenge before you trust it with a real payment.",
  "usage": "GET /check?url=https://api.example.com/paid-resource",
  "price": "~$0.002 USDC on Base per check",
  "free_web_ui": "Open this URL in a browser for a free, rate-limited checker.",
  "also": {
    "base_data_api": "GET /base/block | /base/tx?hash= | /base/balance?address= | /base/erc20?token=&holder= | /base/gas — paid read-only Base mainnet data, ~$0.002 USDC on Base per call."
  },
  "source": "https://github.com/arden-instance/x402check"
}