---
title: "Watch Ticker (WebSocket)"
method: GET
path: "/api/feeds/{feed}/watchTicker"
tags: ["Data Feeds"]
---

# Watch Ticker (WebSocket)

`GET /api/feeds/{feed}/watchTicker`

Stream live ticker updates for a symbol via WebSocket.

**Transport:** WebSocket

| Environment | URL |
|---|---|
| Hosted API | `wss://api.pmxt.dev/ws?apiKey=YOUR_KEY` |

**Subscribe:**
```json
{ "id": "btc-stream", "action": "subscribe", "method": "watchTicker", "args": ["BTC/USDT"], "feed": "binance" }
```

**Server response:**
```json
{ "event": "data", "id": "btc-stream", "method": "watchTicker", "symbol": "BTC/USDT", "source": "binance", "data": { "symbol": "BTC/USDT", "last": 76949.16, "timestamp": 1716148800000, ... } }
```

**Unsubscribe:**
```json
{ "id": "btc-stream", "action": "unsubscribe" }
```

Currently supports Binance feeds only. Tickers stream as they arrive from the Binance trade relay.

## Path parameters

- `feed` 'binance' | 'chainlink', required

## Query parameters

- `symbol` string, required

## Response `200`

Successful response

- object
  - `success` boolean
  - `data` FeedTicker — CCXT-compatible ticker with last trade price and metadata.
    - `symbol` string, required — Trading pair symbol (e.g. BTC/USD)
    - `info` unknown
    - `timestamp` integer — Unix timestamp in milliseconds
    - `datetime` string, date-time
    - `high` number
    - `low` number
    - `bid` number
    - `bidVolume` number
    - `ask` number
    - `askVolume` number
    - `vwap` number
    - `open` number
    - `close` number
    - `last` number — Last trade price
    - `previousClose` number
    - `change` number
    - `percentage` number
    - `average` number
    - `quoteVolume` number
    - `baseVolume` number
    - `indexPrice` number
    - `markPrice` number

---

[API](https://skmtc.dev/pmxt-dev/apis/pmxt-hosted-api.md) · [All operations](https://skmtc.dev/pmxt-dev/apis/pmxt-hosted-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/pmxt-dev/pmxt-hosted-api/revisions/da5293255d19/schema)