market:spot:tickers

Once you're connected to this subscription: wss://ws.amberdata.com/spot, you must provide either the instrument or exchange - one needs to be specified, both cannot be empty.

Request

{
  "jsonrpc" : "2.0",
  "id"      : 1,
  "method"  : "subscribe",
  "params"  : [ "market:spot:tickers", { "pair": "btc_usdt", "exchange": "binance" } ]
}

Param	Type	Description
pair	`string`	The asset pair.
exchange	`string`	The exchange for which to retrieve asset pairs.

Response

{
    "jsonrpc": "2.0",
    "method": "subscription",
    "params": {
        "subscription": "ac936208-0c53-4c0a-9bc4-63188a61eb7e",
        "result": {
            "exchange": "binance",
            "pair": "btc_usdt",
            "exchangeTimestamp": 1712238263524,
            "exchangeTimestampNanoseconds": 780195,
            "timestamp": 1712238263524,
            "bid": 67427.98,
            "ask": 67427.99,
            "mid": 67427.985,
            "last": null,
            "sequence": 45375530797,
            "lastVolume": null,
            "bidVolume": 3.25905,
            "askVolume": 2.17779,
            "open24H": null,
            "low24H": null,
            "high24H": null
        }
    }
}

Field	Type	Description
exchange	`string`	The exchange.
pair	`string`	The asset pair.
exchangeTimestamp	`number`	The exchange provided timestamp at which the trade took place.
exchangeTimestampNanoseconds	`number`	The exchange provided nano second part of the `exchangeTimestamp` (if available from the exchange).
timestamp	`number`	The timestamp.
bid	`number`	The bid of the pair.
ask	`number`	The ask of the pair.
mid	`number`	The mid of the pair.
last	`number`	The last of the pair.
sequence	`number`	The sequence number (equal to `null` if it is not provided by the exchange).
lastVolume	`number`	The last volume.
bidVolume	`number`	Best bid volume.
askVolume	`number`	Best ask volume.
open24H	`number`	The 24 hour open.
low24H	`number`	The 24 hour low.
high24H	`number`	The 24 hour high.

Example

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

ws.on('open', () => {
  ws.send(JSON.stringify({
      jsonrpc: '2.0',
      method: 'subscribe',
      params: ['market:spot:tickers', {'pair': 'btc_usdt', 'exchange': 'binance'}],
      id: 1,
    }));
});

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