Hello Developers! You may have received an email about upcoming changes to how Meeting SDK apps authorize and attribute users. We know this update may raise some questions or require extra guidance as you plan your next steps. This thread is your space to ask questions, share feedback, or discuss …

Hi @scrum , that’s correct. The Meeting SDK will need to be authenticated (either with a ZAK token or OBF token) to join meetings outside of its own account.

Can you provide more guidance on what we need to do to support unauthenticated guest users joining outside meetings? For reference we are use the Web Meeting SDK - using the Client view. Our app use case allows users to join different zoom meetings that are hosted by a bunch of different outside o…

Kile, In order to enhance user experience and strengthen accountability and transparency meeting apps are required to be attributed to a user. This requires meeting apps to authorize with the users ZAK or the Users On Behalf Of token. This means that the App user must also be a Zoom user and the us…

Does that mean that every user has to manually register an account? Or can the accounts be programatically created? Is there any cost associated with creating the accounts?

I was curious to get your thoughts on Apple’s App Review Guideline 5.1.1 (v) regarding Account Sign-In: If your app doesn’t include significant account-based features, let people use it without a login. Have you considered if this Apple requirement would be in conflict with the requirement to si…

Hi, Just a few clarifications: This is quite a big change for us and if I understand correctly it’s now required to authorize individual users joining the zoom meeting via OAuth and issue ZAK/OBF tokens. Also in Meeting SDK Auth , it states that anonymous join can still work only if the meeting is…

Hi @ryan6 We created an FAQ to address some of the questions you may have regarding the Meeting SDK authorization updates: [image] Updates to Meeting SDK Authorization FAQ Meeting SDK Effective February 23, 2026, Zoom will enforce the use of an On Behalf Of (O…

Hi, Currently, a meeting participant (a real person) can join a Zoom meeting via the SDK without a Zoom account, simply by using the meeting ID and password, and then being admitted by the meeting host. However, the new update requires the SDK to join a meeting using ZAK or OBF tokens, both of whi…

@elisa.zoom Hi, I have a question about using OBF tokens for Meeting SDK apps. I’ve reviewed the following documents: OBF token transition blog: /blog/transition-to-obf-token-meetingsdk-apps/ “Get a user’s token” API: /docs/api/rest/reference/user/methods/#operation/userToken From thes…

Updates to Meeting SDK Authorization

Meeting SDK

scrum (IZWF) November 17, 2025, 2:37pm 3

Does this also apply when using unauthenticated guest users (without OAuth or any form of authentication)?

Topic		Replies	Views
How Will ZAK-Based Joins Work After OBF Rollout in the Client SDK? Meeting SDK	9	389	February 13, 2026
Will Android Meeting SDK apps using JWT-based join and ZAK/OBF be affected after March 2? Android	3	74	February 26, 2026
Updates to Meeting SDK Authorization FAQ Meeting SDK rtms	2	757	February 3, 2026
Zoom Web Meeting SDK has stopped working since last month: Joining Meeting Timeout. Fail to join the meeting Web	14	1127	November 3, 2023
Clarification Needed: Meeting SDK Authorization for Anonymous Attendees Joining External Meetings Web	3	113	March 2, 2026

Updates to Meeting SDK Authorization

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