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Error: redirect_uri_mismatch

  • May 27, 2025
  • 7 replies
  • 29 views

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Hi there, I am trying to use R, specifically the boxr package, to connect to my Box account. 

I am getting the "error: redirect_uri_mismatch" error and need to update the redirect URI but I don't see a place to enter the redirect URI under configuration for my app.

Any help?

7 replies

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  • Author
  • Known Participant
  • 34746 replies
  • May 27, 2025

Hi Joseph, 

That is most likely due to the authentication method you selected when creating the application. You will need to select custom app > Standard OAuth 2.0. 

Best,

Kourtney, Box Developer Advocate


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  • 34746 replies
  • May 27, 2025

I also have the same issue.

I created app with standard OAuth 2.0


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  • 34746 replies
  • May 27, 2025

If your application is standard oauth then the URL received in the authentication URL does not exactly match what is configured in the developer console. 


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  • 34746 replies
  • May 27, 2025

I am trying to access a file in my box and I got this. It was working well before. How to fix this? Thanks !ozzKzSyx2P043TcBCI-K9VTQw.png


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  • 34746 replies
  • May 27, 2025

23426911768 can you describe how to identify what is configured in the developer app?

the problem is, as of now, there is no way for me to figure out what exactly is the redirect uri and how to make a change to it.


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  • 34746 replies
  • May 27, 2025

There is no longer an option to configure the authentication url through the developer console... So what do we do now?


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  • May 27, 2025

Hello I am having the same issues as 5888884668435. Has anyone from Box.com gotten back? I am trying to integrate with  UiPath.