# Dead link in the documentation (Create, join, and leave a session) **URL:** \ **Category:** Video SDK\ **Created:** [May 26, 2022, 12:56am UTC](https://devforum.zoom.us/t/dead-link-in-the-documentation-create-join-and-leave-a-session/69564 "2022-05-26T00:56:24Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![tonywang531](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tonywang531/32/37831_2.png) [@tonywang531](https://devforum.zoom.us/u/tonywang531)\ **Post date:** [May 26, 2022, 12:56am UTC](https://devforum.zoom.us/t/dead-link-in-the-documentation-create-join-and-leave-a-session/69564/1 "2022-05-26T00:56:24Z")
The link in the documentation (Create, join, and leave a session) " See the tpc value in the JWT payload in [Authentication](https://marketplace.zoom.us/sdk/video/auth) for details." [https://marketplace.zoom.us/sdk/video/auth](https://marketplace.zoom.us/sdk/video/auth) does not work. I have found a similar page, does this page meant this page? > **[SDK Authorization](https://marketplace.zoom.us/docs/sdk/video/auth/)** > > 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. ---
**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:** [May 26, 2022, 5:22pm UTC](https://devforum.zoom.us/t/dead-link-in-the-documentation-create-join-and-leave-a-session/69564/2 "2022-05-26T17:22:57Z")
Hi @tonywang531 You are right, this is the right Doc site for Video SDK > **[SDK Authorization](https://marketplace.zoom.us/docs/sdk/video/auth/)** > > 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. We recently migrated sites, that could be the reason why you got that 404 Thanks Elisa