curl --request GET \
  --url https://api.predexon.com/v2/binance/candles/{symbol} \
  --header 'x-api-key: <api-key>'

{
  "symbol": "<string>",
  "interval": "<string>",
  "candles": [
    {
      "timestamp": 123,
      "open": 123,
      "high": 123,
      "low": 123,
      "close": 123,
      "tick_count": 123,
      "avg_spread": 123
    }
  ]
}