Hi,
I want to deploy my Python web app in Streamlit Community Cloud.
This web app will use Flask to listen for webhook from Stripe.
The questions I have are
[1]
Will the Streamlit Community Cloud server sleeps if there are very few transactions to my web app?
This is because I am worried that my web app cannot receive the webhook from Stripe.
[2]
If the server sleeps, is there a paying tier in Streamlit Community Cloud that I can subscribe to that has the server never sleep?
Thank you.
Welcome to the community and thanks for your thoughtful questions! 
[1] Yes, Streamlit Community Cloud apps will go to sleep after 12 hours of inactivity (no user traffic), even if the app is public. This means if there are very few transactions, your app may be asleep and unable to receive Stripe webhooks, as incoming webhooks do not count as user traffic and won’t wake the app. This is a limitation of the free Community Cloud service—apps are hibernated to conserve resources and ensure fair usage for all users. See the official documentation and forum discussions for details: Streamlit Docs, Forum 1, Forum 2.
[2] Currently, there is no paid tier or subscription on Streamlit Community Cloud that allows you to keep your app awake 24/7. If you need your app to always be online to receive webhooks reliably, you should consider deploying to a commercial cloud provider like AWS, Google Cloud, or Heroku, where you can control uptime and background process handling. See Forum 1 and Forum 2 for more on this.
Sources:
Hi,
Thank you very much for the information and next steps that I can take.
You have a great week ahead.
John
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