curl -X GET "https://api.innova-trading.com/api/external/indicators" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "count": 3,
  "indicators": [
    {
      "indicator_id": "smart_money_v2",
      "indicator_name": "Smart Money Signals",
      "symbol": "EURUSD",
      "timeframe": 60,
      "points_count": 25,
      "created_at": "2025-12-12T10:00:00Z",
      "expires_at": "2025-12-13T10:00:00Z"
    },
    {
      "indicator_id": "inside_bar_detector",
      "indicator_name": "Inside Bar Detector",
      "symbol": "EURUSD",
      "timeframe": 60,
      "points_count": 50,
      "created_at": "2025-12-12T11:00:00Z",
      "expires_at": "2025-12-13T11:00:00Z"
    },
    {
      "indicator_id": "gbp_signals",
      "indicator_name": "GBP Trading Signals",
      "symbol": "GBPUSD",
      "timeframe": 240,
      "points_count": 10,
      "created_at": "2025-12-12T09:00:00Z",
      "expires_at": "2025-12-13T09:00:00Z"
    }
  ]
}