Balance Updates (Private)

Automatically subscribed after successful authentication, pushes user futures account balance changes.

• Channel: balance
• Push Frequency: Real-time, unthrottled
• Access: Private (auth required)

Authentication

Use the standard HmacSHA256 WebSocket login request described in Common Module · WebSocket Interface.

After successful authentication, order, balance, and position are subscribed automatically.

Push Example

{
  "ch": "balance",
  "d": {
    "e": "balanceUpdate",
    "E": 1768205315166,
    "a": "USDT",
    "d": "100.50",
    "T": 1768205315166
  }
}

Push Fields

Field	Type	Description
e	string	Event type, fixed as "balanceUpdate"
E	number	Event time (milliseconds)
a	string	Asset name
d	string	Balance delta (positive or negative)
T	number	Settlement time (milliseconds)