Balance
wss://wsapi-push.kucoin.com
Description
Account & Trade Type Support
UTA accounts: Supports Spot and Futures trade types, Margin (Isolated & Cross) is expected to be supported in Q1–Q2 next year.
The Pro API is currently in beta testing and should not be used in production trading environments.
Subscribe Message
{
"id": "1545910660739",
"action": "SUBSCRIBE", // or UNSUBSCRIBE
"channel":"balance",
"accountType": "TRADING" // TRADING / ISOLATED / CROSS / FUTURES / UNIFIED
}Note:
If you are trading in UTA mode, set tradeType to UNIFIED.
This WebSocket subscription will deliver balance updates for all supported trade types under the UTA account.
Response
Data Schema
balance
Example
// UTA Futures：
{
"T": "balance.UNIFIED",
"P": 1768813936273399690,
"d": {
"c": "USDT",
"e": "28.5222191964",
"b": "28.3079432224",
"a": "18.5122191964",
"h": "10.0100000000",
"U": 1768813936271000000,
"l": "0.0000000000"
}
}
// UTA Spot：
{
"T": "balance.UNIFIED",
"P": 1768359280561740790,
"d": {
"c": "BTC",
"e": "0.0000038200",
"b": "0.0000038200",
"a": "0.0000038200",
"h": "0.0000000000"
}
}
// Classic Futures：
{
"T": "balance.FUTURES",
"P": 1768358973897310454,
"d": {
"cOM": "0",
"a": "5.44907412",
"cPM": "0",
"b": "7.06848012",
"c": "USDT",
"e": "7.03458012",
"iUP": "-0.0339",
"E": 232,
"iOM": "0.510306",
"iPM": "1.10850423",
"h": "0",
"iFF": "-0.00059577",
"U": 1768358973894000000,
"tCM": "5.44966989",
"cUP": "0"
}
}
// Classic Spot：
{
"T": "balance.TRADING",
"P": 1768359132268983932,
"d": {
"U": 1768359132245000000,
"a": "0",
"b": "0.00000174",
"c": "BTC",
"h": "0.00000174"
}
}
// Classic Isolated：
{
"T": "balance.ISOLATED",
"P": 1768359430610020807,
"d": {
"U": 1768359430607000000,
"a": "8.117020885399",
"b": "8.117020885399",
"c": "USDT",
"h": "0"
}
}
// Classic Margin：
{
"T": "balance.CROSS",
"P": 1768359502546971924,
"d": {
"U": 1768359502545000000,
"a": "4.904274591074",
"b": "4.904274591074",
"c": "USDT",
"h": "0"
}
} Request
Query Params
Modified at 2026-01-29 10:24:51