- [Async Binance Fetch Margin Balance With Options](./examples/py/) ```python # -*- coding: utf-8 -*- import asyncio import os import sys from pprint import pprint import ccxt.async_support as ccxt # noqa: E402 async def main(): exchange = ccxt.binance({ 'apiKey': 'YOUR_API_KEY', 'secret': 'YOUR_SECRET', "options": { "fetchBalance": "margin", }, # set verbose mode to True for debugging output # 'verbose': True, }) while True: try: balance = await exchange.fetch_balance() pprint(balance) except Exception as e: print('fetch_balance() failed') print(e) break await exchange.close() asyncio.run(main()) ```