Welcome to the Blazor feedback portal. We’re happy you’re here! If you have feedback on how to improve the Blazor, we’d love to hear it!

  • Check out the features or bugs others have reported and vote on your favorites. Feedback will be prioritized based on popularity.
  • If you have feedback that’s not listed yet, submit your own.

Thanks for joining our community and helping improve Syncfusion products!


The file upload components should allow to upload files to authorized endpoints only. I mean, I don't want to open up a API endpoint for everyone to upload files...

Currently this is not possible as far as I see: 

Example how it should work:

[Authorize(Policy = nameof(ClaimType.Upload))]


public async Task SaveFile(IList files)


// Do something...