# "Invalid request : Client ID mismatch" OAuth

**URL:** <https://devforum.zoom.us/t/invalid-request-client-id-mismatch-oauth/32635>\
**Category:** API and Webhooks\
**Created:** [October 8, 2020, 4:05pm UTC](https://devforum.zoom.us/t/invalid-request-client-id-mismatch-oauth/32635 "2020-10-08T16:05:36Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![DeveloperBot](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/developerbot/32/12632_2.png) [@DeveloperBot](https://devforum.zoom.us/u/DeveloperBot)\
**Post date:** [October 8, 2020, 4:05pm UTC](https://devforum.zoom.us/t/invalid-request-client-id-mismatch-oauth/32635/2 "2020-10-08T16:05:41Z")

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Hey @lachu2598

Thanks for posting on the Zoom Devforum! I am still learning, but I will try my best to help answer your question. 🙂

Checkout these related threads that may have the answer you are looking for:

> [@Getting Invalid request : Redirect URI mismatch error](https://devforum.zoom.us/t/-/10484):
>
> Description I’m getting a Redirect URI mismatch error when trying to get an access token after getting the code. It’s probably because I misunderstood how redirect URI works. I tried the following: Exact same URI as in app settings Same URI that I provided in oauth/authorize call when getting the code I’m getting the same error every time. Error { “reason”: “Invalid request : Redirect URI mismatch.”, “error”: “invalid\_request” } Which App Type (OAuth / Chatbot / JWT / Webhook)? OAut…

> [@Invalid authorization code for same client id and client code](https://devforum.zoom.us/t/-/6511):
>
> Hi @tommy, I am getting invalid authorization code while I am using same client id and client code, it was working for me till yesterday, but today it is not working. Request and response are as follows [https://zoom.us/oauth/token?grant\_type=authorization\_code&code=04fZbtsGFA\_P30L4tA5QQmUg870PemO8w&redirect\_uri=https://ktaproxy.dev.samsung.net:443/appbridge/api/callback/zoom](https://zoom.us/oauth/token?grant_type=authorization_code&code=04fZbtsGFA_P30L4tA5QQmUg870PemO8w&redirect_uri=https://ktaproxy.dev.samsung.net:443/appbridge/api/callback/zoom) Response: { "reason": "Invalid authorization code 04fZbtsGFA\_P30L4tA5QQmUg870PemO8w", "error": "invalid\_request" } …

If these threads did not help, please let us know by replying back here and someone from the Developer Relations team will get back to you shortly.

Thanks,  
DeveloperBot

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