# Token Authentication in Server-to-Server OAuth App

**URL:** <https://devforum.zoom.us/t/token-authentication-in-server-to-server-oauth-app/106281>\
**Category:** Authentication\
**Created:** [March 21, 2024, 9:44pm UTC](https://devforum.zoom.us/t/token-authentication-in-server-to-server-oauth-app/106281 "2024-03-21T21:44:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rajan\_gupta](https://avatars.discourse-cdn.com/v4/letter/r/41988e/32.png) [@rajan\_gupta](https://devforum.zoom.us/u/rajan_gupta)\
**Post date:** [March 21, 2024, 9:44pm UTC](https://devforum.zoom.us/t/token-authentication-in-server-to-server-oauth-app/106281/1 "2024-03-21T21:44:08Z")

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**Description**  
I have a server to server o-auth application wherein zoom room webhook events are subscribed. As per security requirement, any event (HTTP request) sent from Zoom towards webhook should have bearer token issued by organization O-auth server/issuer in authorization header. How can token authentication method be enabled?

> **[Using webhooks](https://developers.zoom.us/docs/api/rest/webhook-reference/#token-authentication-oauth)**
>
> The Zoom Developer Platform is an open platform that allows third-party developers to build applications and integrations upon Zoom’s video-first unified communications platform.