POST /v1/ohlc

curl https://builder.ostium.io/v1/ohlc \
  -H 'Content-Type: application/json' \
  -d '{
    "pair": "BTC-USD",
    "fromTimestampSeconds": 1711929600,
    "toTimestampSeconds": 1714521600,
    "resolution": "1D"
  }'

const candles = await client.getCandles({
  pairId: 0,
  from: Date.now() - 30 * 24 * 60 * 60 * 1000,
  resolution: '1D',
});

interface Response {
  data: Array<{
    from: string;
    to: string;
    time: number;
    open: number;
    high: number;
    low: number;
    close: number;
  }>;
  lastRequestTimestamp: number | null;
}