# Market data access

**URL:** <https://forum.alpaca.markets/t/market-data-access/17810>\
**Category:** Getting Started with Alpaca\
**Created:** [September 15, 2025, 7:41pm UTC](https://forum.alpaca.markets/t/market-data-access/17810 "2025-09-15T19:41:10Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Irina](https://avatars.discourse-cdn.com/v4/letter/i/77aa72/32.png) [@Irina](https://forum.alpaca.markets/u/Irina)\
**Post date:** [September 15, 2025, 7:41pm UTC](https://forum.alpaca.markets/t/market-data-access/17810/1 "2025-09-15T19:41:10Z")

</div>

hello , i use a simple script as below and my paper account API Key and Api Secret

_from_ alpaca.data.live _import_ StockDataStream

wss\_client = StockDataStream(‘my\_key’, ‘my\_secret’)

async def quote\_data\_handler(_data_):

```auto
  print(data)

```

wss\_client.subscribe\_quotes(quote\_data\_handler, “SPY”)

wss\_client.run()

when I start it sometimes it gives me market data quotes but sometimes not.

how can I solve the issue ?