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Question

Direct transfer docs stored on Amazon S3 bucket directly to Box for rendering back to the browser

  • May 21, 2025
  • 2 replies
  • 10 views
C
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Hello!

 

We utilize Box to provide a method for our users to view documents in their browser from our site via a hosted iframe.  The issue currently is that these documents are stored on a remote Amazon S3 server and are currently being downloaded to our server and then re-uploaded up to Box for processing.

 

Is there a way to eliminate the need for our server to download these documents first and instead, with proper authentication/authroization, ask Box to download / or Amazon to upload the file to Box for processing, with a callback via a webhook to our sever when the file is ready to be viewed?

 

Thanks!

    2 replies

    C
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     Unfortunately, this is currently not possible. We don't have a way to upload files to Box by providing a URL to a file. 

     

    As you mentioned, you would have to download the file from S3 to your server, upload it to Box, and then call the Generate Embed Link endpoint to preview the file. 

     

    A potential workaround to enable this use case without a server would be using a middleware service like Zapier that has prebuilt integrations with Box and S3. Another workaround would be using AWS Lambda download the file from S3 and then upload it to Box.

    C
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    Hi Murtza,

     

    Thanks for your reply.

     

    I discovered this in the URL Upload in the View API documentation:

     

    https://view.box.com/reference#post-documents

     

     and am wondering if this is what I should use or is this API becoming deprecated?  If it is being deprecated, is there anything similar in the current .NET SDK?

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