Binance Private Userdata JavaScript SDK example: ws-userdata-listenkey.ts
Binance Private Userdata websocket userdata listenkey JavaScript example for the Siebly Binance SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs.
We use environment variables in our examples for API keys. It is your responsibility to manage and secure your keys appropriately.
examples/Binance/WebSockets/Private(userdata)/ws-userdata-listenkey.ts
What this example covers
- Binance WebSocket stream JavaScript example.
- Uses the Siebly Binance SDK package
binanceinstead of hand-written WebSocket plumbing. - Source path:
Binance/WebSockets/Private(userdata)/ws-userdata-listenkey.ts. - Example category: Private Userdata.
- Imports SDK symbols including
// DefaultLogger,// WebsocketClient,DefaultLogger,WebsocketClient. - Calls SDK methods such as
on(),subscribeSpotUserDataStream(),subscribeCrossMarginUserDataStream(),subscribeIsolatedMarginUserDataStream(),subscribeUsdFuturesUserDataStream(),subscribeCoinFuturesUserDataStream(),subscribePortfolioMarginUserDataStream(),closeAll(),unsubscribeUsdFuturesUserDataStream(),unsubscribeCoinFuturesUserDataStream(),unsubscribePortfolioMarginUserDataStream(),getWsStore().
How to use this example
- Start here for the specific request or stream pattern, then check the matching SDK guide for install, credentials, and operational notes.
- For WebSocket examples, keep reconnect, resubscribe, heartbeat, and event-handler behavior explicit in your service.
- Open the repository source when you need the latest committed version: GitHub source file.
// or// import {// DefaultLogger,// isWsFormattedFuturesUserDataEvent,// isWsFormattedSpotUserDataEvent,// isWsFormattedSpotUserDataExecutionReport,// isWsFormattedUserDataEvent,// WebsocketClient,// WsUserDataEvents,// } from 'binance'; import { DefaultLogger, isWsFormattedFuturesUserDataEvent, isWsFormattedSpotUserDataEvent, isWsFormattedSpotUserDataExecutionReport, isWsFormattedUserDataEvent, WebsocketClient, WsConnectionStateEnum, WsUserDataEvents,} from 'binance'; (async () => { const key = process.env.API_KEY_COM || 'APIKEY'; const secret = process.env.API_SECRET_COM || 'APISECRET'; console.log({ key, secret }); const ignoredTraceLogMsgs = [ 'Sending ping', 'Received ping frame, sending pong frame', 'Received pong frame, clearing pong timer', ]; // Optional, hook and customise logging behavior const logger = { ...DefaultLogger, trace: (msg: string, context?: unknown) => { if (ignoredTraceLogMsgs.includes(msg)) { return; } console.log(JSON.stringify({ msg, context })); }, }; const wsClient = new WebsocketClient( { api_key: key, api_secret: secret, beautify: true, // testnet: true, }, logger, ); // wsClient.on('message', (data) => { // console.log('raw message received ', JSON.stringify(data, null, 2)); // }); function onUserDataEvent(data: WsUserDataEvents) { // the market denotes which API category it came from // if (data.wsMarket.includes('spot')) { // or use a type guard, if one exists (PRs welcome) if (isWsFormattedSpotUserDataExecutionReport(data)) { console.log('spot user execution report event: ', data); return; } if (isWsFormattedSpotUserDataEvent(data)) { console.log('spot user data event: ', data); return; } if (data.wsMarket.includes('margin')) { console.log('margin user data event: ', data); return; } if (data.wsMarket.includes('isolatedMargin')) { console.log('isolatedMargin user data event: ', data); return; } if (data.wsMarket.includes('usdmTestnet')) { console.log('usdmTestnet user data event: ', data); return; } if (data.wsMarket.includes('coinmTestnet')) { console.log('coinmTestnet user data event: ', data); return; } if (isWsFormattedFuturesUserDataEvent(data)) { console.log('usdm user data event: ', data); return; } console.log( 'onUserDataEvent()->unhandled: ', JSON.stringify(data, null, 2), ); } wsClient.on('formattedMessage', (data) => { // The wsKey can be parsed to determine the type of message (what websocket it came from) // if (!Array.isArray(data) && data.wsKey.includes('userData')) { // return onUserDataEvent(data); // } // or use a type guard if available if (isWsFormattedUserDataEvent(data)) { return onUserDataEvent(data); } console.log('formattedMsg: ', JSON.stringify(data, null, 2)); }); wsClient.on('open', (data) => { console.log('connection opened open:', data.wsKey, data.wsUrl); }); // response to command sent via WS stream (e.g LIST_SUBSCRIPTIONS) wsClient.on('response', (data) => { console.log('log response: ', JSON.stringify(data, null, 2)); }); wsClient.on('reconnecting', (data) => { console.log('ws automatically reconnecting.... ', data?.wsKey); }); wsClient.on('reconnected', (data) => { if ( typeof data?.wsKey === 'string' && data.wsKey.toLowerCase().includes('userdata') ) { console.log('ws for user data stream has reconnected ', data?.wsKey); // This is a good place to check your own state is still in sync with the account state on the exchange, in case any events were missed while the library was reconnecting: // - fetch balances // - fetch positions // - fetch orders } else { console.log('ws has reconnected ', data?.wsKey); } }); wsClient.on('exception', (data) => { console.error('ws saw error: ', data); }); /** * This example demonstrates subscribing to the user data stream via the * listen key workflow. * * Note: the listen key workflow is deprecated for "spot" markets. Use the * WebSocket API `userDataStream.subscribe` workflow instead (only available * in spot right now). See `subscribeUserDataStream()` in the WebsocketAPIClient. * * Each method below opens a dedicated WS connection attached to an automatically * fetched listen key (a session for your user data stream). * * Once subscribed, you don't need to do anything else. Listen-key keep-alive, refresh, reconnects, etc are all automatically handled by the SDK. */ /** * Note: for spot markets, the listen key workflow is deprecated. Use the * WebSocket API `userDataStream.subscribe` workflow instead (only available * in spot right now). See `subscribeUserDataStream()` in the WebsocketAPIClient. */ // Deprecated, see above: wsClient.subscribeSpotUserDataStream(); // Deprecated, see above: wsClient.subscribeSpotUserDataStream('main2'); // Deprecated, see above: wsClient.subscribeCrossMarginUserDataStream(); // Deprecated, see above: wsClient.subscribeIsolatedMarginUserDataStream('BTCUSDC'); /** * Futures */ // Example 5: usdm futures wsClient.subscribeUsdFuturesUserDataStream(); // Example 6: coinm futures wsClient.subscribeCoinFuturesUserDataStream(); // Example 7: portfolio margin wsClient.subscribePortfolioMarginUserDataStream(); // Example 8: portfolio margin pro wsClient.subscribePortfolioMarginUserDataStream('portfolioMarginProUserData'); // after 15 seconds, kill user data connections one by one (or all at once) setTimeout(() => { // console.log('killing all connections at once'); // wsClient.closeAll(); // or: console.log('killing individual connections'); try { // console.log('killing all connections'); // wsClient.closeAll(); // Example 5: usdm futures wsClient.unsubscribeUsdFuturesUserDataStream(); // Example 6: coinm futures wsClient.unsubscribeCoinFuturesUserDataStream(); // // Example 7: portfolio margin // wsClient.unsubscribePortfolioMarginUserDataStream(); // // Example 8: portfolio margin pro // wsClient.unsubscribePortfolioMarginUserDataStream( // 'portfolioMarginProUserData', // ); } catch (e) { console.error('Exception trying to close a user data stream: ', e); } }, 1000 * 15); // after 20 seconds, list the remaining open connections setTimeout(() => { try { console.log( 'remaining connections:', wsClient .getWsStore() .getKeys() .filter( (key) => wsClient.getWsStore().get(key)?.connectionState === WsConnectionStateEnum.CONNECTED, ), ); } catch (e) { console.error('Exception trying to close a user data stream: ', e); } }, 1000 * 20);})();