{"service": "ox402-utils", "version": 4, "tool_count": 87, "price_from": 0.001, "network": "eip155:8453", "asset": "USDC", "pay_to": "0xE9C9cC258f7137fD0AbA4Ae513F0Cfa288c0cDc9", "endpoints": {"catalog": "/catalog", "health": "/health", "call": "/paid/<tool>"}, "usage": "GET /catalog for full schema+samples; POST /paid/<tool>; x402 payment required"}