---
title: "Bitget WebSocket Public JavaScript SDK Example | Siebly"
description: "Bitget V2 Classic websocket public JavaScript example for the Siebly Bitget SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs."
canonical: "https://siebly.io/examples/Bitget/V2%20-%20Classic/Websocket/ws-public"
robots: "index,follow"
---

# Bitget WebSocket Public JavaScript SDK Example

Bitget V2 Classic websocket public JavaScript example for the Siebly Bitget SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs.

**Path:** [Home](/) / [Examples](/examples) / [Bitget](/examples/Bitget) / [V2 - Classic](/examples/Bitget/V2%20-%20Classic) / [Websocket](/examples/Bitget/V2%20-%20Classic/Websocket) / [ws-public.ts](/examples/Bitget/V2%20-%20Classic/Websocket/ws-public)

[View source on GitHub](https://github.com/sieblyio/crypto-api-examples/blob/master/examples/Bitget/V2%20-%20Classic/Websocket/ws-public.ts)

[Open the Bitget JavaScript SDK guide](/sdk/bitget/javascript)

## ws-public.ts

```typescript
import { DefaultLogger, WebsocketClientV2, WS_KEY_MAP } from 'bitget-api';

(async () => {
  const logger = {
    ...DefaultLogger,
    trace: (...params: any[]) => console.log('trace', ...params),
  };

  const wsClient = new WebsocketClientV2(
    {
      // restOptions: {
      // optionally provide rest options, e.g. to pass through a proxy
      // },
    },
    logger,
  );

  wsClient.on('update', (data) => {
    console.log('WS raw message received ', data);
    // console.log('WS raw message received ', JSON.stringify(data, null, 2));
  });

  wsClient.on('open', (data) => {
    console.log('WS connection opened:', data.wsKey);
  });
  wsClient.on('response', (data) => {
    console.log('WS response: ', JSON.stringify(data, null, 2));
  });
  wsClient.on('reconnect', ({ wsKey }) => {
    console.log('WS automatically reconnecting.... ', wsKey);
  });
  wsClient.on('reconnected', (data) => {
    console.log('WS reconnected ', data?.wsKey);
  });
  wsClient.on('exception', (data) => {
    console.log('WS error', data);
  });

  /**
   * Public events
   */

  const symbol = 'BTCUSDT';

  // Spot public

  // tickers
  wsClient.subscribeTopic('SPOT', 'ticker', symbol);

  // candles
  // wsClient.subscribeTopic('SPOT', 'candle1m', symbol);

  // orderbook updates
  // wsClient.subscribeTopic('SPOT', 'books', symbol);

  // trades
  // wsClient.subscribeTopic('SPOT', 'trade', symbol);

  // Futures public

  // tickers
  // wsClient.subscribeTopic('USDT-FUTURES', 'ticker', symbol);

  // candles
  // wsClient.subscribeTopic('USDT-FUTURES', 'candle1m', symbol);

  // orderbook updates
  // wsClient.subscribeTopic('USDT-FUTURES', 'books', symbol);

  // trades
  // wsClient.subscribeTopic('USDT-FUTURES', 'trade', symbol);

  // Topics are tracked per websocket type
  // Get a list of subscribed topics (e.g. all  public topics) (after a 5 second delay)
  setTimeout(() => {
    const publicTopics = wsClient.getWsStore().getTopics(WS_KEY_MAP.v2Public);

    console.log('public  topics: ', publicTopics);
  }, 5 * 1000);
})();
```