curl --request GET \
  --url https://api.ask.surf/gateway/v1/exchange/klines

{
  "data": [
    {
      "candles": [
        {
          "close": 123,
          "high": 123,
          "low": 123,
          "open": 123,
          "timestamp": 123,
          "volume": 123
        }
      ],
      "count": 123,
      "exchange": "<string>",
      "interval": "<string>",
      "pair": "<string>",
      "period_end": "<string>",
      "period_high": 123,
      "period_low": 123,
      "period_start": "<string>",
      "period_volume": 123
    }
  ],
  "meta": {
    "cached": true,
    "credits_used": 123
  },
  "$schema": "<string>"
}