WebSocket streams

const ws = new WebSocket(
  "wss://exchange.ex5.com/api/v2/ranger/public/?stream=global.tickers&stream=btcusdt.trades",
);
ws.onmessage = (event) => {
  const message = JSON.parse(event.data); // {"<stream>": payload}
  console.log(message);
};
// Add or remove streams at any time:
ws.onopen = () => ws.send(JSON.stringify({ event: "subscribe", streams: ["btcusdt.ob-inc"] }));

import asyncio
import json

import websockets  # pip install websockets


async def main():
    url = "wss://exchange.ex5.com/api/v2/ranger/public/?stream=global.tickers&stream=btcusdt.trades"
    async with websockets.connect(url) as ws:
        await ws.send(json.dumps({"event": "subscribe", "streams": ["btcusdt.kline-1m"]}))
        async for message in ws:
            print(json.loads(message))


asyncio.run(main())

→ {"event":"subscribe","streams":["ethusdt.kline-1h"]}
← {"success":{"message":"subscribed","streams":["global.tickers","btcusdt.trades","ethusdt.kline-1h"]}}

→ {"event":"unsubscribe","streams":["btcusdt.trades"]}
← {"success":{"message":"unsubscribed","streams":["global.tickers","ethusdt.kline-1h"]}}

import asyncio
import hashlib
import hmac
import json
import time

import websockets  # websockets 14+ (older versions: extra_headers=)

API_KEY = "your-api-key-id"
API_SECRET = "your-api-secret"


async def main():
    nonce = str(int(time.time() * 1000))
    signature = hmac.new(API_SECRET.encode(), (nonce + API_KEY).encode(), hashlib.sha256).hexdigest()
    headers = {"X-Auth-Apikey": API_KEY, "X-Auth-Nonce": nonce, "X-Auth-Signature": signature}
    url = "wss://exchange.ex5.com/api/v2/ranger/private/?stream=order&stream=trade&stream=balances"
    async with websockets.connect(url, additional_headers=headers) as ws:
        async for message in ws:
            print(json.loads(message))


asyncio.run(main())

import { createHmac } from "node:crypto";
import WebSocket from "ws"; // npm install ws — browsers cannot set these headers

const API_KEY = "your-api-key-id";
const API_SECRET = "your-api-secret";
const nonce = String(Date.now());
const signature = createHmac("sha256", API_SECRET).update(nonce + API_KEY).digest("hex");

const ws = new WebSocket("wss://exchange.ex5.com/api/v2/ranger/private/?stream=order&stream=trade&stream=balances", {
  headers: { "X-Auth-Apikey": API_KEY, "X-Auth-Nonce": nonce, "X-Auth-Signature": signature },
});
ws.on("message", (data) => console.log(JSON.parse(data)));