# Zoom API OAuth 2.0

**URL:** <https://devforum.zoom.us/t/zoom-api-oauth-2-0/60026>\
**Category:** App Marketplace\
**Created:** [November 9, 2021, 9:51pm UTC](https://devforum.zoom.us/t/zoom-api-oauth-2-0/60026 "2021-11-09T21:51:58Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![saira](https://avatars.discourse-cdn.com/v4/letter/s/91b2a8/32.png) [@saira](https://devforum.zoom.us/u/saira)\
**Post date:** [November 9, 2021, 9:51pm UTC](https://devforum.zoom.us/t/zoom-api-oauth-2-0/60026/1 "2021-11-09T21:51:58Z")

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**Description**  
OAuth 2.0 provides access token and refresh token for authorization. The problem is that every time I try to get access token by using refresh token , the refresh token also gets modified which is creating problem because refresh token is not supposed to change.

**Error**  
`124` Invalid access token.

**Which App?**  
I am using zoho flow to integrate zoom with other application.

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**Author:** ![will.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/will.zoom/32/14417_2.png) [@will.zoom](https://devforum.zoom.us/u/will.zoom)\
**Post date:** [November 10, 2021, 12:37pm UTC](https://devforum.zoom.us/t/zoom-api-oauth-2-0/60026/2 "2021-11-10T12:37:23Z")

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Hi @saira,

Thanks for reaching out about this.

Please note that each time you retrieve an access\_token, our /oauth endpoint will also return an updated refresh\_token. These tokens are dynamic, and you will need to update both of their values when refreshing an access\_token each time. More details on this here:

> **[OAuth 2.0 - Authorization - Documentation](https://marketplace.zoom.us/docs/guides/auth/oauth#refreshing)**
>
> OAuth with Zoom
> 
> The Zoom API uses OAuth 2.0 to authenticate and authorize users to make requests. To set up access credentials and request scopes for y...

Let me know if it helps to clarify,  
Will

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<div class="post-metadata">

**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:** [December 10, 2021, 10:37pm UTC](https://devforum.zoom.us/t/zoom-api-oauth-2-0/60026/3 "2021-12-10T22:37:56Z")

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Closed on December 10, 2021, 10:37pm UTC

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