Binance Futures JavaScript SDK example: rest-usdm-testnet.ts
Binance Futures REST usdm testnet 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-testnet.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-testnet.ts. - Example category: Futures.
- Imports SDK symbols including
USDMClient. - Calls SDK methods such as
submitNewOrder().
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 { 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: true, /** * Note: testnet is NOT a good place to test strategy performance. * * For more information and guidance, refer to: * https://github.com/tiagosiebler/awesome-crypto-examples/wiki/CEX-Testnets */ testnet: true,}); async function start() { try { // To open a short position - if you don't have a position yet, and your account is set to one-way mode, just place a sell order to open a short position const result = await client.submitNewOrder({ side: 'SELL', symbol: 'BTCUSDT', type: 'MARKET', quantity: 0.001, // newOrderRespType: 'FULL', }); console.log('market sell result: ', result); } catch (e) { console.error('market sell failed: ', e); }} start();