Binance Futures JavaScript SDK example: rest-usdm-order-sl.ts
Binance Futures REST usdm order sl 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/REST/Futures/rest-usdm-order-sl.ts
What this example covers
- Binance REST API JavaScript example.
- Uses the Siebly Binance SDK package
binanceinstead of hand-written HTTP request plumbing. - Source path:
Binance/REST/Futures/rest-usdm-order-sl.ts. - Example category: Futures.
- Imports SDK symbols including
USDMClient. - Calls SDK methods such as
getPositionsV3(),getOpenAlgoOrders(),getOrderIdPrefix(),cancelAlgoOrder(),submitNewAlgoOrder().
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.
- Open the repository source when you need the latest committed version: GitHub source file.
import { FuturesNewAlgoOrderParams, USDMClient } from 'binance'; const key = process.env.API_KEY_COM || 'APIKEY';const secret = process.env.API_SECRET_COM || 'APISECRET'; const client = new USDMClient({ api_secret: secret, api_key: key, beautifyResponses: false,}); const symbol = process.env.BINANCE_EXAMPLE_SYMBOL || 'BTCUSDT'; async function start() { try { // Hedge Mode example: find each open hedge position and replace its SL. const positions = await client.getPositionsV3({ symbol }); const hedgePositions = positions.filter((position) => { if (position.positionSide === 'LONG') { return Number(position.positionAmt) > 0; } if (position.positionSide === 'SHORT') { return Number(position.positionAmt) < 0; } return false; }); if (!hedgePositions.length) { console.log('No open LONG or SHORT hedge position found'); return; } const openAlgoOrders = await client.getOpenAlgoOrders({ symbol, algoType: 'CONDITIONAL', }); const sdkOrderIdPrefix = client.getOrderIdPrefix(); for (const position of hedgePositions) { if ( position.positionSide !== 'LONG' && position.positionSide !== 'SHORT' ) { continue; } const positionSide = position.positionSide; const side = positionSide === 'LONG' ? 'SELL' : 'BUY'; const triggerPriceMultiplier = positionSide === 'LONG' ? 0.99 : 1.01; const appOwnedStops = openAlgoOrders.filter( (order) => order.orderType === 'STOP_MARKET' && order.positionSide === positionSide && order.side === side && order.clientAlgoId.startsWith(sdkOrderIdPrefix), ); const stopLossOrder: FuturesNewAlgoOrderParams = { algoType: 'CONDITIONAL', symbol, side, positionSide, type: 'STOP_MARKET', closePosition: 'true', triggerPrice: ( Number(position.markPrice) * triggerPriceMultiplier ).toFixed(3), workingType: 'MARK_PRICE', priceProtect: 'TRUE', }; if (appOwnedStops.length > 1) { throw new Error( `More than one SDK-prefixed ${positionSide} STOP_MARKET algo order found; refusing to choose automatically.`, ); } const existingStop = appOwnedStops[0]; if (existingStop) { await client.cancelAlgoOrder({ algoId: existingStop.algoId }); } const result = await client.submitNewAlgoOrder(stopLossOrder); console.log(`SL modified ${positionSide} result: `, result); } } catch (e) { console.error('SL update failed: ', e); }} start();