Binance Auth JavaScript SDK example: rest-private-rsa.ts

Binance Auth REST private RSA 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/Auth/rest-private-rsa.ts

What this example covers

  • Binance authentication and request-signing JavaScript example.
  • Uses the Siebly Binance SDK package binance instead of hand-written signing code.
  • Source path: Binance/Auth/rest-private-rsa.ts.
  • Example category: Auth.
  • Imports SDK symbols including MainClient.
  • Calls SDK methods such as getBalances().

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 private or order-management examples, keep credentials in environment variables or a secret manager. Use read-only keys where possible, and check the execution mode reference before any exchange write path can run.
  • Open the repository source when you need the latest committed version: GitHub source file.
import { MainClient } from 'binance'; // Received after creating a new API key with a self-generated RSA public key on binanceconst api_key =  'SIHqWcDeRoj6gkOjLjQh1dnV1CD7IEXAMPLELVa8wu04zNTYVSmJBIHsjQjgwWqt'; // The self-generated RSA private key, this is never directly given to binance, but used to generate a signature// Note: this MUST include the "BEGIN PRIVATE KEY" header so the SDK understands this is RSA authconst rsaPrivateKey = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`; const client = new MainClient({  api_key: api_key,  api_secret: rsaPrivateKey,  beautifyResponses: true,}); (async () => {  try {    console.log('private api call result: ', await client.getBalances());  } catch (e) {    console.error('request failed: ', e);  }})(); 

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