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Misc

ContractMisc​

Get Market Price​

URL​
https://big.one/api/contract/v2/instruments/prices
HTTP Request Method​

GET

Request Parameters​

No parameter needed.

Request Example URL​

Request Example URL

Response Example​

Note：Unit of BTCUSD is USD, unit of other contracts are BTC.

{
  "BTCUSD": [
    {
      "time": 1562223600000,  // timestamp (milliseconds from 1970-1-1)
      "price": 11290          // contract price (unit: USD)
    },
    {
      "time": 1562222700000,
      "price": 11290
    },
    {
      "time": 1562221800000,
      "price": 11290
    }
  ],
  ...
}

Get 24H Change of Market Price​

URL​
https://big.one/api/contract/v2/instruments/difference
HTTP Request Method​

GET

Request Parameters​

No parameter needed.

Request Example URL​
https://big.one/api/contract/v2/instruments/difference
Response Example​
{
  "BTCUSD": -0.009252547648488466,
  "BTCUSDT": "No Data"
}

Get OrderBook Snapshot​

URL​
https://big.one/api/contract/v2/depth@{symbol}/snapshot
HTTP Request Method​

GET

Request Parameters​
ParametersRequiredTypeNote
symbol:white_check_mark:stringContract types, includes BTCUSD, BTCUSDT, ETHUSDT, EOSUSDT
Request Example URL​
https://big.one/api/contract/v2/depth@BTCUSD/snapshot
Response Example​
{
    "to": 90289544,
    "bestPrices": {
        "ask": 11778.5,
        "bid": 11776
    },
    "lastPrice": 11777.0,
    "bids": {
        "11770.5": 783,
        "11776": 1943,
        "6500": 300,
        "11766": 5148
    },
    "asks": {
        "11790": 28285,
        "11778.5": 3333,
        "12350": 1000
    },
    "from": 0
}

Get List of Contracts’ Detail​

URL​
https://big.one/api/contract/v2/instruments
HTTP Request Method​

GET

Request Parameters​

No parameter needed.

Request Example URL​
https://big.one/api/contract/v2/instruments
Response Example​
[
  {
    "turnover24h": 2606.3164679306547,    
    "openInterest": 3009639,              
    "volume24hInUsd": 29738395,           
    "fundingRate": 0,                     
    "volume24h": 29738395,                
    "last24hMaxPrice": 12063,             
    "btcPrice": 11767.48,                 
    "latestPrice": 11769.5,               
    "symbol": "BTCUSD",                  // contract type
    "last24hPriceChange": -0.07677342823250297,
    "openValue": 255.98924199050046,     
    "last24hMinPrice": 10950.5,              
    "openTime": 0,                       
    "markPrice": 11767.48,               
    "indexPrice": 11767.48               
  },
  ...
]