Download URL of an SMS attachment expires after a while

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API Endpoint(s) and/or Zoom API Event(s)
SMS received webhook

I have a CRM application where we log the SMS history between the user and the customer. I’m storing and using the download_url to allow the user to download the attachment of a specific text at any given moment.

After some time (approx. 30 mins), clicking on the download_url leads to a page that says ’ This site can’t be reached’ whereas it should be able to download that file.

How To Reproduce
Steps to reproduce the behavior:

  1. App type is Server-to-server OAuth
  2. Enable sms.received webhook
  3. Send an SMS with an attachment from an active/enabled account
  4. Save the download_url received and try opening it after 30-35 mins

Hi @saud.rais
Thanks for reaching out to us and welcome to our community, I am happy to help here!
Let me try and replicate this behavior on my end and will get back to you

Hi @elisa.zoom

Thank you. Please let me know as soon as possible since this functionality is critical for our application.
Let me know if you need any more information to replicate this scenario.

Hi @saud.rais
Unfortunately I am not able to replicate this issue on my end
I will go ahead and send you a private message so you can share more details bout this with me.

Updating this public thread.
This is the expected behavior, the download URL expires after certain time, if there is the need to get a new one, use the following endpoint:


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