Orderbook

Subscribe OrderBook

Push snapshot at first, and keep pushing real-time changes later.

URL

wss://big.one/ws/contract/v2/depth@{symbol}

Request Parameters

Parameters	Required	Type	Note
symbol	:white_check_mark:	string	Contract types, includes BTCUSD, BTCUSDT, ETHUSDT, EOSUSDT

Request Example

wscat -c wss://big.one/ws/contract/v2/depth@BTCUSD

Response Example

Snapshot

{
    "to": 91277134,
    "bestPrices": {
        "ask": 11202.5,     
        "bid": 11192.5      
    },
    "lastPrice": 11183.5,
    "bids": {
        "11192": 35,    
        "11184": 742,
        "11192.5": 389,     
        "11188": 293
    },
    "asks": {
        "11202.5": 1806,    
        "11212.5": 2138,
        "11211.5": 19308
    },
    "from": 0
}

Real-time

{
    "bids": {                   
        "11183": 3500
    },
    "lastPrice": 11183.5,
    "from": 91277135,
    "bestPrices": {         
        "ask": 11202.5,
        "bid": 11192.5
    },
    "asks": {},
    "to": 91277135
}