# Token refresh problem

**URL:** <https://devforum.zoom.us/t/token-refresh-problem/52578>\
**Category:** API and Webhooks\
**Created:** [June 16, 2021, 1:55pm UTC](https://devforum.zoom.us/t/token-refresh-problem/52578 "2021-06-16T13:55:24Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [June 17, 2021, 7:44pm UTC](https://devforum.zoom.us/t/token-refresh-problem/52578/2 "2021-06-17T19:44:20Z")

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Hi @michal1,

Thanks for reaching out about this, and happy to help look into it for you.

As a first step, can you review this post below, and let me know if you think any of these cases might apply in your scenario?

> [@Timeout when refreshing access tokens](https://devforum.zoom.us/t/timeout-when-refreshing-access-tokens/51049/2):
>
> Hi @bo.zhang, Thanks for reaching out about this. This can happen for a few different reasons. These are the most common: If a new access token is generated, both the previous access token and refresh token will become invalid. So you will need to update each of these tokens each time you request a new access token. Another situation that can arise is if multiple requests are sent using the same refresh token within a short amount of time, a race condition may prevent all requests from go…

Thanks,  
Will

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