# Difference between Alpaca and Polygon Data Streaming Format

**URL:** <https://forum.alpaca.markets/t/difference-between-alpaca-and-polygon-data-streaming-format/4571>\
**Category:** Alpaca Trading\
**Created:** [February 21, 2021, 7:34pm UTC](https://forum.alpaca.markets/t/difference-between-alpaca-and-polygon-data-streaming-format/4571 "2021-02-21T19:34:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SpyToTheSky](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.alpaca.markets/spytothesky/32/2575_2.png) [@SpyToTheSky](https://forum.alpaca.markets/u/SpyToTheSky)\
**Post date:** [February 21, 2021, 7:34pm UTC](https://forum.alpaca.markets/t/difference-between-alpaca-and-polygon-data-streaming-format/4571/1 "2021-02-21T19:34:46Z")

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I went thru considerable pain before I could implement **reliable** Polygon data streaming client.  
I truly hate re-coding and re-testing everything again for Alpaca web socket.  
Can anyone highlight the difference between Alpaca and Polygon data streaming.  
Thank you in advance.