# Randomly receiving "Invalid access token" for Server-to-Server OAuth

**URL:** <https://devforum.zoom.us/t/randomly-receiving-invalid-access-token-for-server-to-server-oauth/74432>\
**Category:** API and Webhooks\
**Tags:** oauth\
**Created:** [August 17, 2022, 9:24pm UTC](https://devforum.zoom.us/t/randomly-receiving-invalid-access-token-for-server-to-server-oauth/74432 "2022-08-17T21:24:46Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![MultiplayerSession](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/multiplayersession/32/66446_2.png) [@MultiplayerSession](https://devforum.zoom.us/u/MultiplayerSession)\
**Post date:** [August 18, 2022, 3:56pm UTC](https://devforum.zoom.us/t/randomly-receiving-invalid-access-token-for-server-to-server-oauth/74432/4 "2022-08-18T15:56:58Z")

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If there are multiple concurrent processes that are making API calls, they might be invalidating a token that another process is currently using. You can apply for access to a workaround in [Server-to-Server OAuth: annoying token-invalidation](https://devforum.zoom.us/t/server-to-server-oauth-annoying-token-invalidation/72070).

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