> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polynode.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Klines (OHLCV)

> Candlestick data at intervals from 1 minute to 1 week.

```bash theme={null}
curl "https://api.polynode.dev/v3/perps/klines/eth?interval=1h&limit=24&key=$POLYNODE_API_KEY"
```

```json theme={null}
{
  "data": [
    [1783562400000, "1730.7", "1736.9", "1722.3", "1725.8", "631.577", 418]
  ],
  "more": false
}
```

Candles are `[open_time, open, high, low, close, volume, trade_count]`.

## Query parameters

| Parameter  | Description                                                                   |
| ---------- | ----------------------------------------------------------------------------- |
| `interval` | `1m`, `5m`, `15m`, `30m`, `1h`, `4h`, `6h`, `12h`, `1d`, `1w` (default `1h`)  |
| `start`    | Window start (Unix ms). **Optional** — defaults to `limit` candles ending now |
| `end`      | Window end (Unix ms)                                                          |
| `limit`    | Number of candles (default 100)                                               |

Closed 1m and 1h candles stream live on [`perps_klines:<instrument>:<interval>`](/perps/websocket/channels).