WebSocket / Kline Channel

Endpoint: /ws/v1/spot/market

Description

Provides real-time Kline (candlestick) data for spot trading pairs.

Channel Name

kline${period}

Note: ${period} represents the Kline interval.
Example: 1-minute Kline uses kline1min.

Supported intervals:

Interval	Value
1 Minute	1min
5 Minutes	5min
15 Minutes	15min
30 Minutes	30min
1 Hour	1hour
6 Hours	6hour
12 Hours	12hour
1 Day	1day
1 Week	1week
1 Month	1mon

Subscription Parameters

Parameter	Required	Type	Example	Description
op	Yes	string	sub	Operation: `sub` to subscribe, `unsub` to unsubscribe
channel	Yes	string	kline1min	Channel name
symbol	Yes	string	BTC-USDT	Trading pair

Subscription Example

JSON

{
  "op": "sub",
  "channel": "kline1min",
  "symbol": "BTC-USDT"
}

Push Data Fields

Parameter	Required	Type	Example	Description
channel	Yes	string	kline1min	Channel name
symbol	Yes	string	BTC-USDT	Trading pair
id	Yes	long	1499184000	Kline ID
amount	Yes	string	37593	Trading volume (contracts)
count	No	int	1	Number of trades
open	No	string	1935.2000	Open price
close	No	string	1879.0000	Close price
low	No	string	1856.0000	Low price
high	No	string	1940.0000	High price
vol	No	string	71031537.978665	Trading turnover
ts	Yes	long	1597026383085	Data timestamp (milliseconds)

Push Example

JSON

{
  "channel": "kline1min",
  "symbol": "BTC-USDT",
  "id": 1499184000,
  "amount": "37593",
  "count": 1,
  "open": "1935.2000",
  "close": "1879.0000",
  "low": "1856.0000",
  "high": "1940.0000",
  "vol": "71031537.978665",
  "ts": 1597026383085
}