# Does server to server auth token work for concurrent requests?

**URL:** <https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533>\
**Category:** API and Webhooks\
**Created:** [April 9, 2024, 2:59pm UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533 "2024-04-09T14:59:12Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rosario](https://avatars.discourse-cdn.com/v4/letter/r/b487fb/32.png) [@rosario](https://devforum.zoom.us/u/rosario)\
**Post date:** [April 9, 2024, 2:59pm UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533/1 "2024-04-09T14:59:12Z")

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I’m setting up a server to server app and we need to get an access token to call Zoom APIs. Since tokens last an hour, we are caching the token for 45 minutes so we don’t need to request every time. However i was wondering if two concurrent requests can use the same token or if that will cause issues.

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**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\
**Post date:** [April 9, 2024, 5:46pm UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533/2 "2024-04-09T17:46:30Z")

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Hi @rosario ,

Please see the following best practice guidance for S2S: [Server-to-Server OAuth](https://developers.zoom.us/docs/internal-apps/s2s-oauth/#access-token-best-practices)

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**Author:** ![rosario](https://avatars.discourse-cdn.com/v4/letter/r/b487fb/32.png) [@rosario](https://devforum.zoom.us/u/rosario)\
**Post date:** [April 18, 2024, 6:41pm UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533/4 "2024-04-18T18:41:51Z")

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hi Gianni. My question is not answered there. It just mentions we can generate multiple tokens but it doesn’t mention if concurrent requests are allowed to use the same token. We want to reduce our latencies by caching the token and have our requests use the same one. instead of having to get a new token for every request.

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**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\
**Post date:** [April 19, 2024, 3:26am UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533/5 "2024-04-19T03:26:42Z")

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Hi @rosario ,

I do not believe concurrent requests with the same token is not supported at this time. You may test under your conditions, but it is not under official guidance.

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**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:** [April 22, 2025, 7:02pm UTC](https://devforum.zoom.us/t/does-server-to-server-auth-token-work-for-concurrent-requests/107533/6 "2025-04-22T19:02:54Z")

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Closed on April 22, 2025, 7:02pm UTC

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