Binance API 从零到第一笔下单：完整教程

pip install python-binance

from binance.client import Client

# API Key 建议从环境变量读取，不要硬编码
import os
api_key = os.environ["BINANCE_API_KEY"]
api_secret = os.environ["BINANCE_API_SECRET"]

client = Client(api_key, api_secret)

# 查询账户信息
account = client.get_account()

# 显示非零余额
print("当前余额：")
for asset in account["balances"]:
    free = float(asset["free"])
    locked = float(asset["locked"])
    if free > 0 or locked > 0:
        print(f"  {asset['asset']}: 可用 {free}, 锁定 {locked}")

# 查询 BTC/USDT 当前价格
ticker = client.get_symbol_ticker(symbol="BTCUSDT")
print(f"BTC 当前价：{ticker['price']}")

# 查询 24 小时行情
stats = client.get_ticker(symbol="BTCUSDT")
print(f"24h 最高：{stats['highPrice']}")
print(f"24h 最低：{stats['lowPrice']}")
print(f"24h 成交量：{stats['volume']} BTC")

# 查询 K 线数据（最近 10 根 1小时 K 线）
klines = client.get_klines(
    symbol="BTCUSDT",
    interval=Client.KLINE_INTERVAL_1HOUR,
    limit=10
)

for k in klines:
    timestamp = k[0]
    open_price = float(k[1])
    close_price = float(k[4])
    volume = float(k[5])
    print(f"开盘：{open_price:.2f}，收盘：{close_price:.2f}，成交量：{volume:.2f}")

from binance.client import Client

# 测试网 API Key
client = Client(
    api_key="你的测试网API_KEY",
    api_secret="你的测试网SECRET",
    testnet=True         # 关键参数，指向测试环境
)

# 下限价买单（BTC/USDT，买 0.001 BTC，价格 20000 USDT）
order = client.create_order(
    symbol="BTCUSDT",
    side=Client.SIDE_BUY,
    type=Client.ORDER_TYPE_LIMIT,
    timeInForce=Client.TIME_IN_FORCE_GTC,
    quantity=0.001,
    price="20000"
)

print(f"订单 ID：{order['orderId']}")
print(f"状态：{order['status']}")

# 查询订单状态
status = client.get_order(
    symbol="BTCUSDT",
    orderId=order['orderId']
)
print(f"当前状态：{status['status']}")

# 取消订单
client.cancel_order(
    symbol="BTCUSDT",
    orderId=order['orderId']
)
print("订单已取消")

from binance import ThreadedWebsocketManager

def handle_ticker(msg):
    """处理实时价格推送"""
    if msg['e'] == 'error':
        print(f"错误：{msg['m']}")
        return
    
    price = float(msg['c'])         # 最新成交价
    volume = float(msg['v'])        # 24h 成交量
    print(f"BTC 价格：{price:.2f}，24h 成交量：{volume:.2f}")

# 启动 WebSocket 管理器
twm = ThreadedWebsocketManager(api_key=api_key, api_secret=api_secret)
twm.start()

# 订阅 BTC/USDT 实时 ticker
twm.start_symbol_ticker_socket(callback=handle_ticker, symbol="BTCUSDT")

# 运行 30 秒后停止
import time
time.sleep(30)
twm.stop()