# Refresh token was temporarily unavailable?

**URL:** <https://devforum.zoom.us/t/refresh-token-was-temporarily-unavailable/119730>\
**Category:** API and Webhooks\
**Tags:** api\
**Created:** [October 24, 2024, 1:40am UTC](https://devforum.zoom.us/t/refresh-token-was-temporarily-unavailable/119730 "2024-10-24T01:40:21Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![taremane](https://avatars.discourse-cdn.com/v4/letter/t/e9a140/32.png) [@taremane](https://devforum.zoom.us/u/taremane)\
**Post date:** [October 24, 2024, 1:40am UTC](https://devforum.zoom.us/t/refresh-token-was-temporarily-unavailable/119730/1 "2024-10-24T01:40:21Z")

</div>

### Format Your New Topic as Follows:

**API Endpoint(s) and/or Zoom API Event(s)**  
[https://zoom.us/oauth/token](https://zoom.us/oauth/token)

**Description**  
Access to the zoom api using the refresh token was temporarily disabled on 21 October (Japan time).  
Analysis of the contents of the refresh token showed that the version had increased from 9 to 10 at the time it became unavailable.  
It has now been restored, but have you detected any problems on the zoom side?

**Error?**

```auto
{
"reason": "Invalid Grant",
"error": "invalid_grant"
}

```

**How To Reproduce**  
_Steps to reproduce the behavior:_  
_1. POST [https://zoom.us/oauth/token](https://zoom.us/oauth/token)_  
_2. grant\_type: refresh\_token ※usually success request with other param_  
_3. legacy app_  
_4. Error response “Invalid Grant”_

---

<div class="post-metadata">

**Author:** ![elisa.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/elisa.zoom/32/47836_2.png) [@elisa.zoom](https://devforum.zoom.us/u/elisa.zoom)\
**Post date:** [October 29, 2024, 3:16pm UTC](https://devforum.zoom.us/t/refresh-token-was-temporarily-unavailable/119730/2 "2024-10-29T15:16:10Z")

</div>

Hi @taremane  
Thanks for reaching out to us and welcome to our Zoom Developer community!  
I am not aware of this situation. Do you happen to have the refresh token available so we could look further into this? If not, please do not hesitate to reach out back to us to take a closer look

---

<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:** [November 2, 2025, 6:52am UTC](https://devforum.zoom.us/t/refresh-token-was-temporarily-unavailable/119730/3 "2025-11-02T06:52:48Z")

</div>

Closed on November 2, 2025, 6:52am UTC

This topic was automatically closed 368 days after the last reply. New replies are no longer allowed.