Real-time K-line

General WSS information

• Crypto subscriptions are subscribed in the form of symbol@market (for example: BTC-USDT@dcex). Multiple crypto subscriptions are separated by / (for example: BTC-USDT@dcex/ETH-USDT@dcex/DOGE-USDT@dcex).

WebSocket Limits

• Each access IP is limited to a maximum of 1024 WebSocket connections.
• Each WebSocket connection has a maximum of 200 subscription combinations. If this limit is exceeded, the subscription will be truncated.

Subscribe to K-line (period: 1 minute)

Subscribe to 1-minute K-line data streams for cryptocurrencies. K-line data provides aggregated trading information over a specific time period (1 minute), including open, high, low, close prices, volume, and turnover for each minute interval.

Key Characteristics:

• Time-based aggregation: Data is aggregated and pushed every minute
• Historical context: Each K-line represents a complete 1-minute trading period
• OHLC format: Provides Open, High, Low, Close prices for technical analysis
• Volume data: Includes trading volume and turnover for the period
• Update frequency: New data is pushed at the end of each minute

wss://{base_url}/ws/market/v1/kline?symbols={symbol@market}

Example

wss://{base_url}/ws/market/v1/kline?symbols=BTC-USDT@dcex/ETH-USDT@dcex

Description

Code	Type	Description
symbol	STRING	Crypto Symbol
time	STRING	Time
open	DECIMAL	Open Price
high	DECIMAL	Highest Price
low	DECIMAL	Lowest Price
close	DECIMAL	Close Price
volume	DECIMAL	Volume
turnover	DECIMAL	Turnover

JSON Example

{
    "type": "kline",
    "data": {
        "symbol": "BTC-USDT",
        "time": "2025-05-30 15:50:00",
        "open": 45498.6,
        "high": 45598.6,
        "low": 45398.6,
        "close": 45498.6,
        "volume": 1.25,
        "turnover": 56873.25
    }
}