OHLCV candlestick data for any supported coin.
| Parameter | Type | Default | Description |
|---|---|---|---|
symbol | string | BTCUSDT | Trading pair (e.g. ETHUSDT, SOLUSDT) |
interval | string | 1h | Candle interval: 1h or 1d |
limit | number | 100 | Number of candles to return (max 1500) |