WebSockets
13 QUESTIONS IN THIS CATEGORY:
There is no limitation on our side to the number of tickers you can subscribe to at once. As long as you can consume the data fast enough, you can subscribe to all tickers and all events simultaneously in one WebSocket feed.
Feb 13, 2023
Our WebSocket APIs are based on entitlements that control which WebSocket Clusters you can connect to and which kinds of data you can access.
Jan 17, 2023
In short, our RESTful APIs require you to send a request and wait for a response. Our WebSockets are an open connection streaming data from our servers to your client without any delays.
Jan 17, 2023
Each account comes with access to one simultaneous WebSocket connection per cluster.
Jan 17, 2023
Our WebSockets are only available through our paid subscriptions. If you receive a “not authorized” message, you will need to upgrade your account in order to access the WebSockets.
Jan 17, 2023
Newsletter
Newsletter Sign Up
Submit your email below and get notified via our email newsletter
Public Slack
Join us on Slack
Submit your email below for an invite to the Polygon.io slack community
Public GitHub
Find us on GitHub
Join an active community of developers contributing to polygon.io
Find us on GitHub
Pricing
View Pricing
All data provided on Polygon is provided for informational purposes only, and is not intended for trading or investing purposes. Polygon provides all information as is. You must not redistribute information displayed on or provided by Polygon. Stock prices displayed in the ticker are from a subset of exchanges, this price does not represent the real-time price from the SIP.
© Polygon.io, Inc