K線
wss://ws-api-futures.kucoin.com
Topic: /contractMarket/limitCandle:{symbol}_{type}
Description
1min, 3min, 5min, 15min, 30min, 1hour, 2hour, 4hour, 8hour, 12hour, 1day, 1week, 1monthSubscribe Message
{
"id": 1545910660739,
"type": "subscribe",
"topic": "/contractMarket/limitCandle:XBTUSDTM_1min,ETHUSDTM_1min",
"response": true
}Response
Data Schema
klines
Example
{
"topic": "/contractMarket/limitCandle:XBTUSDTM_1min",
"type": "message",
"data": {
"symbol": "XBTUSDTM",
"candles": [
"1731898200", //Start time of the candle cycle
"90638.6", //open price
"90638.6", //close price
"90638.6", //high price
"90638.6", //low price
"21.0", //Transaction volume(This value is incorrect, please do not use it, we will fix it in subsequent versions)
"21" //Transaction amount
],
"time": 1731898208357
},
"subject": "candle.stick"
}Request
Query Params
Modified at 2026-01-16 08:07:26