MarkPrice

Description

Rate Limit: 10 requests per second per IP for Subscribe and Unsubscribe.

Request

JSON

{
    "event": "SUBSCRIBE",
    "arg": [
        {
            "channel": "MARK_PRICE",
            "instId": "OKX_PERP_BTC_USDT"
        }
    ]
}

Field name	Type	Necessary	Remarks
event	String	Y	SUBSCRIBE, UNSUBSCRIBE
args	Array	Y	Subscribe param，there can be no more than 50 instId parameters per subscribe
> channel	String	Y	Channel name: MARK_PRICE
> instId	String	Y	Unique identifier

Response

JSON

{
    "event": "SUBSCRIBE",
    "arg": [
        {
            "channel": "MARK_PRICE",
            "instId": "BINANCE_PERP_BTC_USDT"
        }
    ],
    "code": 0,
    "message": "Success"
}

Field	Type	Remarks
event	String	Event
code	String	Error Code
msg	String	Error Message
args	Array	Subscribe param
> channel	String	Channel
> instId	String	Unique identifier

Mark price example:

JSON

{
    "channel": "MARK_PRICE",
    "localTs": 1736423655001,
    "instId": "BINANCE_PERP_BTC_USDT",
    "markPrice": "93476.2"
}

Field	Type	Remarks
channel	String	"MARK_PRICE"
instId	String	Unique identifier
markPrice	String	Mark price
localTs	Long	Update time