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  1. Public Channels

Klines

wss://ws-api-spot.kucoin.eu

Topic:/market/candles:{symbol}_{type}#

Description
Subscribe to this topic to get K-Line data.
ParamDescription
symbolsymbol
type1min, 3min, 15min, 30min, 1hour, 2hour, 4hour, 6hour, 8hour, 12hour, 1day, 1week
Push frequency: real-time

Subscribe Message#

{
  "id": 1545910660739,
  "type": "subscribe",
  "topic": "/market/candles:BTC-USDT_1hour",
  "response": true
}

Response#

Data Schema
klines

Example
{
    "topic": "/market/candles:BTC-USDT_1hour",
    "type": "message",
    "subject": "trade.candles.update",
    "data": {
        "symbol": "BTC-USDT", // symbol
        "candles": [
            "1729839600", // Start time of the candle cycle
            "67644.9", // open price
            "67437.6", // close price
            "67724.8", // high price
            "67243.8",  // low price
            "44.88321441",  // Transaction volume
            "3027558.991928447"  // Transaction amount
        ],
        "time": 1729842192785164840 // now(us)
    }
}

Request

Query Params

Modified at 2025-09-26 10:04:30
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