OAuth App Works for My Zoom Account But Not for External Users

[Afzal41]

Hi everyone,

I've created an OAuth app in the Zoom Marketplace and set it as a User-Managed app. It works perfectly when I authorize it using the Zoom account that created the app. However, when I share the OAuth URL with external Zoom users (outside my Zoom account), they receive an error and cannot authorize the app.

I've confirmed the following:

• The app type is User-Managed

• The Redirect URI exactly matches what's set in the app settings

My questions:

1. Is there any specific setting I may be missing that prevents external users from authorizing in dev mode?

Any help or guidance would be really appreciated — I'm building a commuting-related integration that depends on access for multiple users.

Thanks!