Kana Perps Websocket API

Overview of supported trading markets and installation prerequisites for using the Websocket API.

Websocket Overview

Supported Markets

This Websocket API provides information for the following trading markets:

Asset	Market ID	Description
APT/USDC	301	Aptos-based trading market.
BTC/USDC	302	Bitcoin-based trading market.
ETH/USDC	303	Ethereum-based trading market.

Prerequisites

Install Required Packages

Before you begin, install the following dependencies:

npm install ws

This documentation explains how to connect and receive data from the WebSocket streams: You can connect order book stream using client initialization code in TypeScript.

Endpoint URL :

• Order Book Stream : wss://perps-sdk-ws.kanalabs.io/wsOrderBook

Example Request: wss://perps-sdk-ws.kanalabs.io/wsOrderBook/marketId=301 Here is the steps to initialize the client code in typescript : Example code to fetch the Order Book Client Initialization Code:

import WebSocket from 'ws';

const marketId = 'your_market_id';

const ws = new WebSocket(`wss://perps-sdk-ws.kanalabs.io/wsOrderBook?marketId=${marketId}`);

ws.on('open', () => {
    console.log('[client] Connected to the server');
    ws.send('Request data from endpoint');
});

ws.on('message', (data) => {
    console.log(`Received a message from the server:, ${data}`);
});

ws.on('close', () => {
    console.log('[client] Disconnected from the server');
});