Showing results for 
Search instead for 
Did you mean: 
Level: Powered On

Best Practices when using connections that require Shared Access Signature (SAS) Tokens

Hi Flow Community,


We are currently developing a set of flows that use the Publish to Event Grid action.  The connection to Azure Event Grid takes a Shared Access Signature  (SAS) token to access event grid.  Microsoft suggests refreshing the SAS token on a regular basis for security practices.  If we do this, it looks like the connections to Event Grid will fail until we enter in a new SAS token.  This is not ideal.  Does anyone have experience with this situation?


  1. Is my understanding right?  Will our connections fail if the SAS token is regenerated? 
  2. Is there a way flow can get the updated SAS token?
  3. Is there any other best practices involving flow and SAS tokens?


Thank you in advance!



Community Support Team
Community Support Team

Re: Best Practices when using connections that require Shared Access Signature (SAS) Tokens

Hi @joshbrownwsna ,


About #1, a potential risk when using SAS is that if the application is unable to retrieve a new SAS from your service, then the application’s functionality may be hindered. So the connection using SAS will be failed and need you to update the SAS token.

About #2, I am afraid that it is not possible to get the updated SAS token. Please submit your request on Flow Ideas Forum:

About #3, if you are familiar with Custom APIs, you may consider extending flow’s functionalities with custom codes. Here are docs for your reference:


Best regards,



Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Helpful resources


Power Automate Community User Group Member Badge

Fill out a quick form to claim your user group badge now!


Incoming: New and improved badges!

We've given our badges an overhaul and also added some brand new ones!


Microsoft Learn

Learn how to build the business apps that you need.


Power Platform World Tour

Find out where you can attend!


Webinars & Video Gallery

Watch & learn from the Power Automate Community Video Gallery!

Top Kudoed Authors (Last 30 Days)
Users online (5,424)