# Can't put backend url in deauthorizing url

**URL:** <https://devforum.zoom.us/t/cant-put-backend-url-in-deauthorizing-url/87683>\
**Category:** App Submission\
**Tags:** webhooks, api\
**Created:** [May 2, 2023, 7:52am UTC](https://devforum.zoom.us/t/cant-put-backend-url-in-deauthorizing-url/87683 "2023-05-02T07:52:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![akhilesh.chaurasiya0](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/akhilesh.chaurasiya0/32/44389_2.png) [@akhilesh.chaurasiya0](https://devforum.zoom.us/u/akhilesh.chaurasiya0)\
**Post date:** [May 2, 2023, 7:52am UTC](https://devforum.zoom.us/t/cant-put-backend-url-in-deauthorizing-url/87683/1 "2023-05-02T07:52:34Z")

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My backend domain is ([https://example1.com](https://example1.com)) and frontend url ([https://example2.com](https://example2.com))  
When I am putting frontend url to validate the domain address it is mismatch from the backend domain. and I am putting backend url in deauthorization url.

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/b/d/bdaa05ec5bdd8918acdb5f0ac0c857a88ea4ce3c.png)

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/a/9/a99a3513f69601e27dfdd8794dc2ba3c4ef35d9e.png)

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/7/2/72a501ef467ff2e4df999e79b0ddf359bb772058.jpeg)

The domain is different (deauthorizing url and Validate the domain domain address) that is why it coming.  
Please provide the solution.

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**Author:** ![kwaku.nyante](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/kwaku.nyante/32/23475_2.png) [@kwaku.nyante](https://devforum.zoom.us/u/kwaku.nyante)\
**Post date:** [May 3, 2023, 9:54pm UTC](https://devforum.zoom.us/t/cant-put-backend-url-in-deauthorizing-url/87683/2 "2023-05-03T21:54:02Z")

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Hello @akhilesh.chaurasiya0 please refer to this post please

> [@Domain Validation Explanation](https://devforum.zoom.us/t/domain-validation-explanation/87699):
>
> What is Domain Validation? Every App that is to be [‘Published’](https://developers.zoom.us/docs/distribute/) or ‘Submitted for Review’ on the Zoom App Marketplace must go through domain validation. With this, Zoom ensures that all the listed App Endpoints and URLs are owned by the respective App/Company. Please note that this is a one-time verification process. Why do we employ it? Security. Zoom needs to make sure that the domains where the App is expected to receive Zoom callbacks are owned by the respective App/Company. Which App ha…

Regards, Kwaku

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [May 6, 2024, 1:30pm UTC](https://devforum.zoom.us/t/cant-put-backend-url-in-deauthorizing-url/87683/3 "2024-05-06T13:30:41Z")

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Closed on May 6, 2024, 1:30pm UTC

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