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":"btc_usdt"}]}

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

Response

{
    "jsonrpc": "2.0",
    "method": "subscription",
    "params": {
        "result": {
            "delistedPair": false,
            "delta": "-4.8437252449679828865397170717",
            "isNewPair": false,
            "pair": "btc_usdt",
            "previousPrice": "67289.46636745258833937719",
            "previousTimestamp": 1712237940000,
            "price": "67284.6226422076203564906502829283",
            "timestamp": 1712238000000,
            "unchangedPrice": false
        },
        "subscription": "a931528473328abe28708cbe90f4183bff898dd213fe0ef7c2e7747b71b5d615"
    }
}

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));
});