Account Balance V2

Type: USER-DATA

External endpoint: GET /fapi/v2/balance
Rocky impl: GET /fapi/v2/balance ✓

All asset balances for the calling key's user. (External equivalent: /fapi/v2/balance.)

Request

GET /fapi/v2/balance

Parameters: none beyond the standard signing trio.

Response — 200

[
  {
    "accountAlias": "5cfb031b-5936-4467-9533-cd2df576dbb8",
    "asset": "USDC",
    "balance": "100.000000",
    "crossWalletBalance": "100.000000",
    "availableBalance": "85.230000",
    "updateTime": 1748275200000
  }
]

Field	Notes
accountAlias	User UUID. Same value across all rows.
balance	available + locked total.
crossWalletBalance	Same as balance (Rocky uses cross-margin).
availableBalance	Free balance.

crossUnPnl, maxWithdrawAmount, marginAvailable, updateTime per-row variations are not yet supported.