Trades (LTP) Stream

Streams every public trade. Useful for tracking last-traded price (LTP) and trade tape.

Subject (all markets)	v1.f.public.futures.ltp.>
Subject (one market)	v1.f.public.futures.ltp.BTC/USDT
Auth	Public — no signature.

Subscribe

Python

import asyncio
import nats

async def main():
    nc = await nats.connect("wss://pc-nats-prod.coinswitch.co")
    sub = await nc.subscribe("v1.f.public.futures.ltp.>")
    async for msg in sub.messages:
        print(msg.subject, msg.data.decode())

asyncio.run(main())

Java

// implementation 'io.nats:jnats:2.17.4' on Maven Central.
import io.nats.client.*;

Connection nc = Nats.connect("wss://pc-nats-prod.coinswitch.co");
Dispatcher d = nc.createDispatcher(msg -> {
    System.out.println(new String(msg.getData()));
});
d.subscribe("v1.f.public.futures.ltp.>");
Thread.currentThread().join(); // block forever

Go

import (
    "log"
    "github.com/nats-io/nats.go"
)

nc, err := nats.Connect("wss://pc-nats-prod.coinswitch.co")
if err != nil { log.Fatal(err) }
defer nc.Drain()

_, err = nc.Subscribe("v1.f.public.futures.ltp.>", func(m *nats.Msg) {
    log.Printf("%s  %s\n", m.Subject, string(m.Data))
})
if err != nil { log.Fatal(err) }

select {} // block forever

Node.js

// npm install nats
const { connect, StringCodec } = require('nats');

const nc = await connect({ servers: 'wss://pc-nats-prod.coinswitch.co' });
const sc = StringCodec();

const sub = nc.subscribe('v1.f.public.futures.ltp.>');
for await (const m of sub) {
  console.log(m.subject, sc.decode(m.data));
}

Update payload — single market

When you subscribe to a specific market (...ltp.BTC/USDT), each message is a single trade object:

{
  "t": 1756475616499,
  "p": 0.0904,
  "q": 32.8,
  "m": "AEVO/USDT",
  "e": "COINSWITCHX",
  "E": 1756475616547,
  "id": 0,
  "isMarketMaker": false
}

Update payload — wildcard

When you subscribe with the wildcard (...ltp.>), each message is an array of trades batched together:

[
  {
    "t": 1756475616499,
    "p": 0.0904,
    "q": 32.8,
    "m": "AEVO/USDT",
    "e": "COINSWITCHX",
    "E": 1756475616547,
    "id": 0,
    "isMarketMaker": false
  },
  {
    "t": 1756475616499,
    "p": 1.0904,
    "q": 33.8,
    "m": "BTC/USDT",
    "e": "COINSWITCHX",
    "E": 1756475616547,
    "id": 0,
    "isMarketMaker": false
  }
]

Fields

Field	Type	Description
t	integer	System timestamp (Unix ms).
E	integer	Exchange-side timestamp (Unix ms).
p	number	Trade price.
q	number	Trade quantity (base asset).
m	string	Market — BASE/QUOTE.
e	string	Exchange identifier.
id	integer	Trade ID.
isMarketMaker	boolean	true if the maker side initiated the resting order.