# Unable to do in client authentication

**URL:** <https://devforum.zoom.us/t/unable-to-do-in-client-authentication/103929>\
**Category:** Zoom Apps\
**Tags:** api, s2s-oauth, sdk\
**Created:** [February 15, 2024, 3:06pm UTC](https://devforum.zoom.us/t/unable-to-do-in-client-authentication/103929 "2024-02-15T15:06:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kpainuly](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@kpainuly](https://devforum.zoom.us/u/kpainuly)\
**Post date:** [February 15, 2024, 3:06pm UTC](https://devforum.zoom.us/t/unable-to-do-in-client-authentication/103929/1 "2024-02-15T15:06:55Z")

</div>

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### Format Your New Topic as Follows:

**Zoom Apps Configuration**  
_Share the Zoom Apps configuration (e.x. React, Vanilla JS, Node.js) you’re working with to give relevant context._

I have a zoom app in marketplace and build in angular.

**Description**

I’ve created an Angular application designed to run within the Zoom client. However, I’m encountering difficulty implementing OAuth within the client, although it functions properly in the browser. Could you assist me in identifying and resolving this issue?

**Error?**  
_The full error message or issue you are running into, where applicable._

**Troubleshooting Routes**  
_The troubleshooting attempt types you’ve already exhausted, including testing with the appropriate sample app (found on [Zoom · GitHub](https://github.com/zoom))._

**How To Reproduce**  
_Steps to reproduce the behavior._

Here is my [repository](https://github.com/krishnapainuly/zoomclient)  
On clicking authorize button, I am invoking zoom in client authorization, but it doesn’t do anything