Documentation edits made through Mintlify web editor

Author: sparack

x-api/account-activity/introduction.mdx

@@ -46,6 +46,10 @@ This document focuses on managing user subscriptions associated with your webhoo
 
 The Account Activity API provides webhook-based JSON messages any time there are events associated with X accounts subscribed to your service. X delivers those activities to your registered webhook. In the following steps, you will learn how to set up and manage subscriptions for user accounts.
 
+<Warning>
+  Account Activity API v2 currently does not support User Auth 2.0. We are working on fixing this and will update our docs when OAuth 2.0 is supported.
+</Warning>
+
 ### 1\. Create an X App
 
 Create an X app with an approved developer account from the [developer portal](https://developer.x.com/en/portal/products/enterprise). If creating the app on behalf of your company, use a corporate X account.