{
  "ok": true,
  "service": "x402-ping",
  "version": "1.3.5",
  "mode": "free-discovery",
  "message": "Free GET. Tip or unlock below. Paid /premium requires 0.05 USDC on Base via x402.",
  "treasury": "0xbAd41cF0f0d5442f9A53630F8081BFd257DA019b",
  "chain": "base",
  "asset": "USDC",
  "assetName": "USD Coin",
  "symbol": "USDC",
  "network": "eip155:8453",
  "tip": "https://shieldz.cash/tip/tip-d2599a4d16a6f4b0",
  "unlock": "https://shieldz.cash/unlock/NDS0MgohhA3PmPaBvmD0",
  "endpoints": {
    "/": "this discovery JSON (free)",
    "/health": "liveness",
    "/ping": "echo (free)",
    "/premium": "HTTP 402 + PAYMENT-REQUIRED (0.05 USDC Base)",
    "/.well-known/x402": "Agent402 service manifest"
  },
  "x402": {
    "status": "payment-required-header",
    "note": "Clients must send X-PAYMENT / PAYMENT-SIGNATURE after paying; facilitator verify optional until wired.",
    "paymentRequiredShape": {
      "x402Version": 2,
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "amount": "50000",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "payTo": "0xbAd41cF0f0d5442f9A53630F8081BFd257DA019b",
          "resource": "/premium",
          "description": "x402-ping premium ping",
          "extra": {
            "name": "USD Coin",
            "version": "2"
          }
        }
      ]
    }
  },
  "gh": "@filip-study",
  "siblings": [
    "https://github.com/filip-study/base-usdc-tip-kit",
    "https://github.com/filip-study/free-rpc-map",
    "https://github.com/filip-study/base-usdc-paylink"
  ]
}