---
title: "HTX WebSocket API RAW JavaScript SDK Example | Siebly"
description: "HTX Derivatives websocket API RAW JavaScript example for the Siebly HTX SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs."
canonical: "https://siebly.io/examples/HTX/Derivatives/WebSockets/wsAPI.RAW"
robots: "index,follow"
---

# HTX WebSocket API RAW JavaScript SDK Example

HTX Derivatives websocket API RAW JavaScript example for the Siebly HTX SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs.

**Path:** [Home](/) / [Examples](/examples) / [HTX](/examples/HTX) / [Derivatives](/examples/HTX/Derivatives) / [WebSockets](/examples/HTX/Derivatives/WebSockets) / [wsAPI.RAW.ts](/examples/HTX/Derivatives/WebSockets/wsAPI.RAW)

[View source on GitHub](https://github.com/sieblyio/crypto-api-examples/blob/master/examples/HTX/Derivatives/WebSockets/wsAPI.RAW.ts)

[Open the HTX JavaScript SDK guide](/sdk/htx/javascript)

## wsAPI.RAW.ts

```typescript
// Raw low-level WS API example using WebsocketClient.sendWSAPIRequest().
// Prefer WebsocketAPIClient for typed wrapper methods.

import {
  DefaultLogger,
  LogParams,
  WebsocketClient,
  WS_KEY_MAP,
} from '@siebly/htx-api';

const customLogger: DefaultLogger = {
  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  trace: (...params: LogParams): void => {
    // console.log('trace', ...params);
  },
  info: (...params: LogParams): void => {
    console.log('info', ...params);
  },
  error: (...params: LogParams): void => {
    console.error('error', ...params);
  },
};

async function start() {
  const account = {
    key: process.env.API_FUTURES_KEY || 'keyHere',
    secret: process.env.API_FUTURES_SECRET || 'secretHere',
  };

  const client = new WebsocketClient(
    {
      apiKey: account.key,
      apiSecret: account.secret,
    },
    customLogger,
  );

  client
    .on('open', (data) => console.log('open:', data.wsKey))
    .on('authenticated', (data) => console.log('authenticated:', data.wsKey))
    .on('response', (data) => console.info('response:', JSON.stringify(data)))
    .on('exception', (data) => console.error('exception:', data));

  const runLiveTradingExamples = false;

  if (!runLiveTradingExamples) {
    console.log('Set runLiveTradingExamples=true after reviewing the params.');
    return;
  }

  const linearPlaceOrder = await client.sendWSAPIRequest(
    WS_KEY_MAP.linearSwapTrade,
    'place_order',
    {
      contract_code: 'BTC-USDT',
      margin_mode: 'cross',
      position_side: 'long',
      side: 'buy',
      type: 'limit',
      time_in_force: 'gtc',
      price: '20000',
      volume: '1',
      reduce_only: 0,
    },
  );
  console.log('linear place_order:', linearPlaceOrder);

  const deliveryCreateOrder = await client.sendWSAPIRequest(
    WS_KEY_MAP.coinDeliveryTrade,
    'create_order',
    {
      contract_code: 'BTC-USD',
      direction: 'buy',
      offset: 'open',
      price: '20000',
      lever_rate: 5,
      volume: 1,
      order_price_type: 'limit',
    },
  );
  console.log('delivery create_order:', deliveryCreateOrder);

  const coinSwapCreateOrder = await client.sendWSAPIRequest(
    WS_KEY_MAP.coinSwapTrade,
    'create_order',
    {
      contract_code: 'BTC-USD',
      direction: 'buy',
      offset: 'open',
      price: '20000',
      lever_rate: 5,
      volume: 1,
      order_price_type: 'limit',
    },
  );
  console.log('coin swap create_order:', coinSwapCreateOrder);
}

start();
```