market:futures:ohlcv

Make sure you're connected to this subscription: wss://ws.web3api.io/futures. Either the instrument or exchange have to be specified - one needs to be specified, but both cannot be empty.

Request

{
  "jsonrpc" : "2.0",
  "id"      : 1,
  "method"  : "subscribe",
  "params"  : [ "market:futures:ohlcv", { "instrument": "XRPUSDT", "exchange": "binance"} ]
}

Param	Type	Description
instrument	`string`	The asset instrument.
exchange	`string`	The exchange for which to retrieve asset instruments.

Response

"result": {
  "exchange": "binance",
  "instrument": "XRPUSDT",
  "timestamp": 1552086720000,
   "open": 3937.9,
   "high": 3937.9,
   "low": 3937.9,
   "close": 3937.9,
   "volume": 1.77073469
}

Field	Type	Description
exchange	`string`	The exchange.
timestamp	`number`	The time at which the trade took place.

Example

const WebSocket = require('ws');
const ws = new WebSocket('wss://ws.web3api.io/futures', {headers: {x-api-key:'<api_key>'}});

ws.on('open', () => {
  ws.send(JSON.stringify({
      jsonrpc: '2.0',
      method: 'subscribe',
      params: ['market:futures:ohlcv', {'instrument': 'XRPUSDT', 'exchange': 'binance'}],
      id: 1,
    }));
});

ws.on('message', data => {
  console.log(JSON.stringify(JSON.parse(data), null, 2));
});