market:spot:prices:updates

Make sure you're connected to this subscription: wss://ws.web3api.io.

Request

All pairs:

{"jsonrpc":"2.0","id":1,"method":"subscribe","params":["market:spot:prices:updates"]}

Specific pair or pair & exchange:

{"jsonrpc":"2.0","id":1,"method":"subscribe","params":["market:spot:prices:updates",{"pair":"ltc_usdt"}]}

Param	Type	Description
pair	`string`	The asset pair by which to filter.

Response

"result": {
  "delistedPair": false,
  "delta": 0.00000505928571428572,
  "isNewPair": false,
  "pair":" eth_btc",
  "previousPrice": 0.027663041428571428,
  "previousTimestamp": 1562017440000,
  "price": 0.027668100714285715,
  "timestamp": 1562017500000,
  "unchangedPrice": false
}

Field	Type	Description
delistedPair	`bool`	`true` if pair has been delisted. `false` otherwise.
delta		The dollar value change in price since last update.
isNewPair	`bool`	`true` if pair is new. `false` otherwise.
pair	`string`	The pair.
previousPrice		The price at time of last update.
previousTimestamp		The time of the last update.
price	`number`	The quote price of the asset pair.
timestamp	`number`	The time at which the price change took place.
unchangedPrice	`bool`	`true` if price hasn't changed since last update. `false` otherwise.

Example

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

ws.on('open', () => {
  ws.send(JSON.stringify({
      jsonrpc: '2.0',
      method: 'subscribe',
      params: ["market:spot:prices:updates",{ "pair": "ltc_usdt"}],
      id: 1,
    }));
});

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