"{\n  \"success\": false,\n  \"message\": \"API not found\",\n  \"path\": \"/sitemap.xml\",\n  \"method\": \"GET\",\n  \"availableRoutes\": [\n    \"GET /health\",\n    \"POST /register\",\n    \"GET /track/{trackingNumber}\",\n    \"POST /batch\",\n    \"POST /stop\",\n    \"POST /modify\",\n    \"GET /carriers\",\n    \"GET /carriers/popular\",\n    \"GET /carriers/search/{keyword}\",\n    \"POST /carriers/find\",\n    \"POST /webhook\",\n    \"POST /get-tracking-info\"\n  ],\n  \"usage\": {\n    \"health\": \"GET /health\",\n    \"track\": \"GET /track/{trackingNumber}\",\n    \"register\": \"POST /register\",\n    \"batch\": \"POST /batch\",\n    \"carriers\": \"GET /carriers\",\n    \"popularCarriers\": \"GET /carriers/popular\",\n    \"searchCarriers\": \"GET /carriers/search/{keyword}\",\n    \"findCarrier\": \"POST /carriers/find\",\n    \"webhook\": \"POST /webhook\",\n    \"getTrackingInfo\": \"POST /get-tracking-info\"\n  }\n}"