K-line Data

Get K-line historical data for a specified trading pair.

Interface Information

• Method: GET
• Path: /api/v1/stock/open-api/klines

Request Parameters

Parameter	Type	Required	Description
symbol	string	Yes	Trading pair symbol, e.g., msx, BTCUSDT
interval	string	Yes	K-line interval
startTime	int64	No	Start timestamp (milliseconds)
endTime	int64	No	End timestamp (milliseconds)
limit	int	No	Number of results, default 500, max 1500

Supported K-line intervals:
1m, 3m, 5m, 15m, 30m, 1h, 2h, 4h, 6h, 8h, 12h, 1d, 3d, 1w, 1mo

Request Example

GET /api/v1/stock/open-api/klines?symbol=msx&interval=1m&limit=100

Response Fields

Field	Type	Description
code	int	Status code
msg	string	Status message
data.symbol	string	Trading pair
data.interval	string	K-line interval
data.klines	array	K-line data list

Klines array elements:

• t: Open time (millisecond timestamp)
• o: Open price
• h: High price
• l: Low price
• c: Close price
• v: Volume

Response Example

{
  "code": 0,
  "msg": "success",
  "data": {
    "symbol": "msx",
    "interval": "1m",
    "klines": [
      {
        "t": 1737446400000,
        "o": "1.2345",
        "h": "1.2400",
        "l": "1.2300",
        "c": "1.2380",
        "v": "12345.67"
      },
      {
        "t": 1737446460000,
        "o": "1.2380",
        "h": "1.2450",
        "l": "1.2350",
        "c": "1.2420",
        "v": "9876.54"
      }
    ]
  }
}