MainClient REST API Method Reference

import { MainClient } from 'binance';

const client = new MainClient({
  api_key: process.env.BINANCE_API_KEY,
  api_secret: process.env.BINANCE_API_SECRET,
});

import { MainClient } from 'binance';

const client = new MainClient();

// Test connectivity
await client.testConnectivity();

// Fetch order book (top 5 levels)
const book = await client.getOrderBook({ symbol: 'BTCUSDT', limit: 5 });
console.log(book.bids, book.asks);

// 24-hour statistics for a single symbol
const stats = await client.get24hrChangeStatistics({ symbol: 'ETHUSDT' });
console.log(stats.priceChangePercent);

// Latest price ticker for multiple symbols
const prices = await client.getSymbolPriceTicker({
  symbols: ['BTCUSDT', 'BNBUSDT'],
});

import { MainClient } from 'binance';

const client = new MainClient({
  api_key: process.env.BINANCE_API_KEY,
  api_secret: process.env.BINANCE_API_SECRET,
});

// Place a LIMIT BUY order
const order = await client.submitNewOrder({
  symbol: 'BTCUSDT',
  side: 'BUY',
  type: 'LIMIT',
  timeInForce: 'GTC',
  quantity: 0.001,
  price: 50000,
});
console.log('Order ID:', order.orderId);

// Check its status
const status = await client.getOrder({
  symbol: 'BTCUSDT',
  orderId: order.orderId,
});

// Cancel it
await client.cancelOrder({
  symbol: 'BTCUSDT',
  orderId: order.orderId,
});

import { MainClient } from 'binance';

const client = new MainClient({
  api_key: process.env.BINANCE_API_KEY,
  api_secret: process.env.BINANCE_API_SECRET,
});

async function main() {
  // --- Market data (public) ---
  const exchangeInfo = await client.getExchangeInfo({ symbol: 'BTCUSDT' });
  console.log('Status:', exchangeInfo.symbols[0].status);

  const klines = await client.getKlines({
    symbol: 'BTCUSDT',
    interval: '1h',
    limit: 10,
  });
  console.log('Last close:', klines[klines.length - 1][4]);

  // --- Account (authenticated) ---
  const account = await client.getAccountInformation();
  const usdtBalance = account.balances.find((b) => b.asset === 'USDT');
  console.log('USDT free:', usdtBalance?.free);

  // --- Trade fee ---
  const fees = await client.getTradeFee({ symbol: 'BTCUSDT' });
  console.log('Maker fee:', fees[0].makerCommission);

  // --- Wallet: deposit address ---
  const depositAddr = await client.getDepositAddress({
    coin: 'USDT',
    network: 'TRX',
  });
  console.log('Deposit address:', depositAddr.address);
}

main();