# How to test the Deauthorization Notification

**URL:** <https://devforum.zoom.us/t/how-to-test-the-deauthorization-notification/7116>\
**Category:** App Marketplace\
**Created:** [December 18, 2019, 8:29am UTC](https://devforum.zoom.us/t/how-to-test-the-deauthorization-notification/7116 "2019-12-18T08:29:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [December 18, 2019, 9:09pm UTC](https://devforum.zoom.us/t/how-to-test-the-deauthorization-notification/7116/2 "2019-12-18T21:09:14Z")

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Hey @Sitting,

Currently the only way to test Deauth is in your production environment, or to change the Deauth url to your dev environment and install the production version of your app, then uninstall it.

Check out my post here for more in depth instructions on how to test it deauth:

> [@Data Compliance API - Deauthorization Endpoint URL](https://devforum.zoom.us/t/data-compliance-api-deauthorization-endpoint-url/3870/15):
>
> Hey @john! You are correct, you will only receive the Deauthorization Event Notification Webhook with the Production version of your app. You can test this by installing the production version of your app via your apps publishable URL, [54%20PM] And then [uninstalling your app on your “Installed Apps” page.](https://marketplace.zoom.us/user/installed) I made a simple PHP web server and was able to see the Verification Token in the request headers (when testing a Zoom event/webhook sent to my server). Here is my code: Examp…

Thanks,  
Tommy

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