# Video SDK **URL:** https://devforum.zoom.us/c/video-sdk/55.md?page=2 [Latest](https://devforum.zoom.us/latest.md) · [Categories](https://devforum.zoom.us/categories.md) · [Tags](https://devforum.zoom.us/tags.md) **Page:** 3 --- ## [Video SDK — "This account does not exist or does not belong to you" (errorCode 200) on a new Build Platform account, fails even with the official sample](https://devforum.zoom.us/t/video-sdk-this-account-does-not-exist-or-does-not-belong-to-you-errorcode-200-on-a-new-build-platform-account-fails-even-with-the-official-sample/144465)
**Author:** [@Lubomir](https://devforum.zoom.us/u/Lubomir)\ **Replies:** 1\ **Last updated:** [June 29, 2026, 5:06am UTC](https://devforum.zoom.us/t/video-sdk-this-account-does-not-exist-or-does-not-belong-to-you-errorcode-200-on-a-new-build-platform-account-fails-even-with-the-official-sample/144465 "2026-06-29T05:06:49Z")
I have a newly created Zoom Build Platform (CPaaS) Video SDK account (free trial, status Active, created today). When joining a session I always get: {type: ‘JOIN\_MEETING\_FAILED’, reason: ‘This account does not exist or… --- ## [All participants' connections went Closed (no reason) simultaneously mid-session](https://devforum.zoom.us/t/all-participants-connections-went-closed-no-reason-simultaneously-mid-session/144422)
**Author:** [@Billy117](https://devforum.zoom.us/u/Billy117)\ **Replies:** 1\ **Last updated:** [June 25, 2026, 8:32am UTC](https://devforum.zoom.us/t/all-participants-connections-went-closed-no-reason-simultaneously-mid-session/144422 "2026-06-25T08:32:54Z")
SDK: Zoom Video SDK for Web, @zoom/videosdk 2.4.2 Date/time: 2026-06-24 (UTC) Session topic (tpc): 302baf7c-83e0-4d82-8119-7a81289c8973 It ran as TWO back-to-back session instances: 0jpu+6uvS76sd9W04TF1jQ== MzCfDfh… --- ## [Duplicate participant appears when joining with slow network and OPERATION\_CANCELLED / RECONNECTING\_MEETING is returned](https://devforum.zoom.us/t/duplicate-participant-appears-when-joining-with-slow-network-and-operation-cancelled-reconnecting-meeting-is-returned/144436)
**Author:** [@Dungvl76](https://devforum.zoom.us/u/Dungvl76)\ **Replies:** 1\ **Last updated:** [June 25, 2026, 7:05am UTC](https://devforum.zoom.us/t/duplicate-participant-appears-when-joining-with-slow-network-and-operation-cancelled-reconnecting-meeting-is-returned/144436 "2026-06-25T07:05:21Z")
Video SDK Type and Version Web Video SDK Version: 2.2.12 Description We are encountering an issue when a user joins a session under a slow or unstable network condition. In some cases, the joining client receives the… --- ## [RTMS returning 400 inspite being enable from zoom side to my acct](https://devforum.zoom.us/t/rtms-returning-400-inspite-being-enable-from-zoom-side-to-my-acct/144394)
**Author:** [@akash9](https://devforum.zoom.us/u/akash9)\ **Replies:** 3\ **Last updated:** [June 24, 2026, 11:19am UTC](https://devforum.zoom.us/t/rtms-returning-400-inspite-being-enable-from-zoom-side-to-my-acct/144394 "2026-06-24T11:19:01Z")
We are testing Zoom RTMS for live meeting audio streaming. We verified the following: S2S token works successfully. GET /v2/meetings/97099264422 returns 200. Meeting host is academy@ajantapharma.com. Meeting host\_id… --- ## [React Native New Architecture support — @zoom/react-native-videosdk](https://devforum.zoom.us/t/react-native-new-architecture-support-zoom-react-native-videosdk/143828)
**Author:** [@Ahmed8](https://devforum.zoom.us/u/Ahmed8)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 9:12am UTC](https://devforum.zoom.us/t/react-native-new-architecture-support-zoom-react-native-videosdk/143828 "2026-06-22T09:12:55Z")
Hi Zoom team, We’re upgrading our React Native app to 0.83.9, which requires New Architecture (mandatory since RN 0.82). We’re blocked because @zoom/react-native-videosdk v2.2.5 doesn’t support it - no codegenConfig, st… --- ## [React Native Package version 2.5.10 not on npm?](https://devforum.zoom.us/t/react-native-package-version-2-5-10-not-on-npm/144094)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 2\ **Last updated:** [June 16, 2026, 4:15pm UTC](https://devforum.zoom.us/t/react-native-package-version-2-5-10-not-on-npm/144094 "2026-06-16T16:15:24Z")
Hey there, I was just going throught the change logs for the react native version of the SDK, and noticed that you have published the change logs for a version 2.5.10 (Version 2.5.10 - Zoom Developer Changelog), but on … --- ## [Can I use one Video SDK API key in many subdomains?](https://devforum.zoom.us/t/can-i-use-one-video-sdk-api-key-in-many-subdomains/143919)
**Author:** [@Carlos3](https://devforum.zoom.us/u/Carlos3)\ **Replies:** 3\ **Last updated:** [June 16, 2026, 3:06pm UTC](https://devforum.zoom.us/t/can-i-use-one-video-sdk-api-key-in-many-subdomains/143919 "2026-06-16T15:06:09Z")
Can I use one Video SDK API key in many subdomains ? --- ## [flutter\_zoom\_videosdk 2.5.0 fails to build on both iOS simulator (Apple Silicon) and Android (D8 Record desugaring)](https://devforum.zoom.us/t/flutter-zoom-videosdk-2-5-0-fails-to-build-on-both-ios-simulator-apple-silicon-and-android-d8-record-desugaring/143689)
**Author:** [@HasegawaShuhei](https://devforum.zoom.us/u/HasegawaShuhei)\ **Replies:** 3\ **Last updated:** [June 12, 2026, 9:44am UTC](https://devforum.zoom.us/t/flutter-zoom-videosdk-2-5-0-fails-to-build-on-both-ios-simulator-apple-silicon-and-android-d8-record-desugaring/143689 "2026-06-12T09:44:03Z")
Hi team, Thanks for the 2.5.0 release — we appreciate the work that goes into shipping these updates. While upgrading from 2.3.0, we ran into two build-time issues that we believe are bugs (not configuration problems on… --- ## [Share media file feature in React Native](https://devforum.zoom.us/t/share-media-file-feature-in-react-native/143586)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 5\ **Last updated:** [June 3, 2026, 10:47am UTC](https://devforum.zoom.us/t/share-media-file-feature-in-react-native/143586 "2026-06-03T10:47:06Z")
Hey there, We are building a product using both the web and React Native SDKs. We just implemented a feature to share video and image files in web version, using the method outlined in the docs: Advanced features - Vide… --- ## [Need to Manage Separate Zoom Video SDK Accounts for Multiple Environments](https://devforum.zoom.us/t/need-to-manage-separate-zoom-video-sdk-accounts-for-multiple-environments/138981)
**Author:** [@Bala\_nagendra](https://devforum.zoom.us/u/Bala_nagendra)\ **Replies:** 3\ **Last updated:** [May 30, 2026, 5:19am UTC](https://devforum.zoom.us/t/need-to-manage-separate-zoom-video-sdk-accounts-for-multiple-environments/138981 "2026-05-30T05:19:07Z")
Hi Team, We are using the Zoom Video SDK for our telehealth and recordings application. Our platform has three different environments: Development, Staging, and Production. To properly isolate data and configuration for… --- ## [UIToolKit - one column of participant tiles](https://devforum.zoom.us/t/uitoolkit-one-column-of-participant-tiles/143891)
**Author:** [@meng](https://devforum.zoom.us/u/meng)\ **Replies:** 1\ **Last updated:** [May 28, 2026, 6:29pm UTC](https://devforum.zoom.us/t/uitoolkit-one-column-of-participant-tiles/143891 "2026-05-28T18:29:02Z")
I’m using UIToolkit in a Vue web page. I have the UIToolkit taking up 30% of the page while the other 70% is custom web page stuff. No matter how narrow I shrink the UIToolKit, it always displays two columns of video p… --- ## [Clarification on Full UI Customization Capability in Zoom Meeting SDK (Web v4.0.7)](https://devforum.zoom.us/t/clarification-on-full-ui-customization-capability-in-zoom-meeting-sdk-web-v4-0-7/142132)
**Author:** [@AboveCloud9](https://devforum.zoom.us/u/AboveCloud9)\ **Replies:** 5\ **Last updated:** [May 27, 2026, 2:59pm UTC](https://devforum.zoom.us/t/clarification-on-full-ui-customization-capability-in-zoom-meeting-sdk-web-v4-0-7/142132 "2026-05-27T14:59:00Z")
Hello Zoom Developer Support Team, We are integrating the Zoom Meeting SDK for Web (v4.0.7) in a Next.js (v14) React application. We are currently evaluating the feasibility of implementing a fully custom meeting UI usin… --- ## [Best way to guide users for installing external apps alongside Zoom integration?](https://devforum.zoom.us/t/best-way-to-guide-users-for-installing-external-apps-alongside-zoom-integration/143632)
**Author:** [@Rimsha1](https://devforum.zoom.us/u/Rimsha1)\ **Replies:** 2\ **Last updated:** [May 26, 2026, 6:20pm UTC](https://devforum.zoom.us/t/best-way-to-guide-users-for-installing-external-apps-alongside-zoom-integration/143632 "2026-05-26T18:20:32Z")
Hi everyone, I am currently learning and exploring how apps work with Zoom integrations (especially using SDK and external tools). One thing I noticed is that many users struggle when they need to install external apps o… --- ## [Transcripts Not Generated for Zoom Video SDK Recordings Since May 18](https://devforum.zoom.us/t/transcripts-not-generated-for-zoom-video-sdk-recordings-since-may-18/143716)
**Author:** [@oganyan](https://devforum.zoom.us/u/oganyan)\ **Replies:** 2\ **Last updated:** [May 25, 2026, 10:39am UTC](https://devforum.zoom.us/t/transcripts-not-generated-for-zoom-video-sdk-recordings-since-may-18/143716 "2026-05-25T10:39:41Z")
Description Since May 18, transcripts have no longer been generated for meetings recorded using the Zoom Video SDK. No configuration changes were made on our side, and the functionality had been working normally before … --- ## [What usually takes the most time in development?](https://devforum.zoom.us/t/what-usually-takes-the-most-time-in-development/143768)
**Author:** [@my12](https://devforum.zoom.us/u/my12)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 9:31pm UTC](https://devforum.zoom.us/t/what-usually-takes-the-most-time-in-development/143768 "2026-05-20T21:31:44Z")
When you’re building something new, what usually takes longer for you: writing the actual code fixing bugs or making the UI look “right”? For me, small UI adjustments somehow end up taking way longer than exp… --- ## [Zoom Video SDK UI Toolkit — Custom container size configuration](https://devforum.zoom.us/t/zoom-video-sdk-ui-toolkit-custom-container-size-configuration/143601)
**Author:** [@ajith.r](https://devforum.zoom.us/u/ajith.r)\ **Replies:** 1\ **Last updated:** [May 19, 2026, 9:46am UTC](https://devforum.zoom.us/t/zoom-video-sdk-ui-toolkit-custom-container-size-configuration/143601 "2026-05-19T09:46:59Z")
Using UI Toolkit 2.2.0-1 (web). The session container renders at 990x760 , and our wrapper can only stretch it to 1022x799. Is there a config option in joinSession to set a custom width/height, or a way to make the ses… --- ## [How to detect remote user reconnecting the meeting in mobile video sdk](https://devforum.zoom.us/t/how-to-detect-remote-user-reconnecting-the-meeting-in-mobile-video-sdk/143129)
**Author:** [@hadiyarajesh](https://devforum.zoom.us/u/hadiyarajesh)\ **Replies:** 1\ **Last updated:** [May 19, 2026, 8:15am UTC](https://devforum.zoom.us/t/how-to-detect-remote-user-reconnecting-the-meeting-in-mobile-video-sdk/143129 "2026-05-19T08:15:29Z")
Description We are trying to identify when a remote user is reconnecting (failover) in the Video SDK so that we can handle it appropriately. In the Web SDK, there is a connection-change event that provides this informa… --- ## [Sudden spike in latency in multiple session at a time](https://devforum.zoom.us/t/sudden-spike-in-latency-in-multiple-session-at-a-time/143419)
**Author:** [@Iqbal1](https://devforum.zoom.us/u/Iqbal1)\ **Replies:** 5\ **Last updated:** [May 18, 2026, 12:07pm UTC](https://devforum.zoom.us/t/sudden-spike-in-latency-in-multiple-session-at-a-time/143419 "2026-05-18T12:07:26Z")
Hi Zoom Developer Support Team, We observed a localized but significant performance issue impacting multiple concurrent Zoom Video SDK sessions on May 7, 2026, started at 19:03 IST. Participants across several independ… --- ## [One participant consistently experiences audio crackling across different meetings](https://devforum.zoom.us/t/one-participant-consistently-experiences-audio-crackling-across-different-meetings/143232)
**Author:** [@simas.mockus](https://devforum.zoom.us/u/simas.mockus)\ **Replies:** 7\ **Last updated:** [May 14, 2026, 2:47pm UTC](https://devforum.zoom.us/t/one-participant-consistently-experiences-audio-crackling-across-different-meetings/143232 "2026-05-14T14:47:40Z")
Format Your New Topic as Follows: Video SDK Type and Version ^2.3.12 Description One participant consistently reports audio crackling/distortion, regardless of who she is connected with. Other participants in the same… --- ## [Is it possible to proxy a low-quality version of a participant's video through our own servers to external viewers?](https://devforum.zoom.us/t/is-it-possible-to-proxy-a-low-quality-version-of-a-participants-video-through-our-own-servers-to-external-viewers/143455)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 4\ **Last updated:** [May 13, 2026, 11:17am UTC](https://devforum.zoom.us/t/is-it-possible-to-proxy-a-low-quality-version-of-a-participants-video-through-our-own-servers-to-external-viewers/143455 "2026-05-13T11:17:34Z")
Hey there, I am building a platform using the Video SDK for web, and I’d like to add a feature where we can embed a low-quality live preview of the current tour into other web pages via an iframe. The preview would just… --- ## [Users Rejoin Main Session Instead of Previous Subsession After Network Reconnection](https://devforum.zoom.us/t/users-rejoin-main-session-instead-of-previous-subsession-after-network-reconnection/143497)
**Author:** [@puvivinocmv](https://devforum.zoom.us/u/puvivinocmv)\ **Replies:** 3\ **Last updated:** [May 13, 2026, 1:54am UTC](https://devforum.zoom.us/t/users-rejoin-main-session-instead-of-previous-subsession-after-network-reconnection/143497 "2026-05-13T01:54:04Z")
We are facing an issue with Zoom subsessions. Scenario: A user joins a subsession successfully. The subsession is opened using isAutoJoinSubsession: true. If the user experiences network instability/disconnecti… --- ## [Option to ajdust microphone level](https://devforum.zoom.us/t/option-to-ajdust-microphone-level/142375)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 4\ **Last updated:** [May 9, 2026, 3:52am UTC](https://devforum.zoom.us/t/option-to-ajdust-microphone-level/142375 "2026-05-09T03:52:27Z")
Hey there, Is there an option to adjust the user’s microphone level for everyone? I can only see adjustUserAudioVolumeLocally in the docs. If not, is there some form of workout I can implement to allow people to contro… --- ## [Audio Bleed Between Breakout Rooms — Local Mute and Subsession Approaches Both Have Issues in Brave](https://devforum.zoom.us/t/audio-bleed-between-breakout-rooms-local-mute-and-subsession-approaches-both-have-issues-in-brave/142431)
**Author:** [@puvivinocmv](https://devforum.zoom.us/u/puvivinocmv)\ **Replies:** 15\ **Last updated:** [May 8, 2026, 1:23am UTC](https://devforum.zoom.us/t/audio-bleed-between-breakout-rooms-local-mute-and-subsession-approaches-both-have-issues-in-brave/142431 "2026-05-08T01:23:56Z")
summary I’m building a breakout room feature using the Zoom Video SDK for Web. I’ve implemented two separate approaches to achieve participant audio isolation between rooms: Approach 1 (Legacy): Local mute / unmute vi… --- ## [iOS Crash – NSRangeException when removing KVO observer from CAEAGLLayer (ZoomVideoSDK)](https://devforum.zoom.us/t/ios-crash-nsrangeexception-when-removing-kvo-observer-from-caeagllayer-zoomvideosdk/142054)
**Author:** [@prasanth](https://devforum.zoom.us/u/prasanth)\ **Replies:** 2\ **Last updated:** [May 7, 2026, 9:13pm UTC](https://devforum.zoom.us/t/ios-crash-nsrangeexception-when-removing-kvo-observer-from-caeagllayer-zoomvideosdk/142054 "2026-05-07T21:13:07Z")
Hi Zoom Team, I’m experiencing a crash in my iOS app when using the Zoom Video SDK. The app throws the following exception: NSRangeException: Cannot remove an observer \ for the key path "boun… --- ## [RTMS event subscription/scopes not available for existing Video SDK app](https://devforum.zoom.us/t/rtms-event-subscription-scopes-not-available-for-existing-video-sdk-app/143190)
**Author:** [@James40](https://devforum.zoom.us/u/James40)\ **Replies:** 3\ **Last updated:** [April 28, 2026, 12:26am UTC](https://devforum.zoom.us/t/rtms-event-subscription-scopes-not-available-for-existing-video-sdk-app/143190 "2026-04-28T00:26:22Z")
My account type is Video SDK, we have an internal Video SDK app thats a couple of years old but works perfectly well. We need to add RTMS Started and Stopped events to our existing webhook, but no events with RTMS are av… --- ## [INVALID\_OPERATION error on start cloud recording](https://devforum.zoom.us/t/invalid-operation-error-on-start-cloud-recording/143139)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 1\ **Last updated:** [April 23, 2026, 10:17pm UTC](https://devforum.zoom.us/t/invalid-operation-error-on-start-cloud-recording/143139 "2026-04-23T22:17:41Z")
Hey there, I keep getting this error when I try to start cloud recording. I have used the cloud recording feature before with no issues, but suddenly, I now get this error. I have not changed any settings. errorCode: 7… --- ## [How do you support multiple environments for a video chat app?](https://devforum.zoom.us/t/how-do-you-support-multiple-environments-for-a-video-chat-app/142513)
**Author:** [@RNHurt](https://devforum.zoom.us/u/RNHurt)\ **Replies:** 4\ **Last updated:** [April 22, 2026, 9:58pm UTC](https://devforum.zoom.us/t/how-do-you-support-multiple-environments-for-a-video-chat-app/142513 "2026-04-22T21:58:17Z")
I’m converting an existing PWA that uses Twilio to the Zoom Video Chat SDK. Everything seems to be working fine but I’m having trouble understanding how to support multiple environments (Production, QA, Development, etc… --- ## [Bad video quality when joining meeting via mobile browser](https://devforum.zoom.us/t/bad-video-quality-when-joining-meeting-via-mobile-browser/143055)
**Author:** [@noahviktorschenk](https://devforum.zoom.us/u/noahviktorschenk)\ **Replies:** 4\ **Last updated:** [April 22, 2026, 8:15am UTC](https://devforum.zoom.us/t/bad-video-quality-when-joining-meeting-via-mobile-browser/143055 "2026-04-22T08:15:26Z")
Hey there, I am building a meeting application where the video quality is super important, using the Video SDK for web. I recently did a test with a person who joined using their mobile browser, tested both Safari and C… --- ## [Share Screen flutter\_zoom\_videosdk 2.4.12 in Flutter not working](https://devforum.zoom.us/t/share-screen-flutter-zoom-videosdk-2-4-12-in-flutter-not-working/142987)
**Author:** [@Lam](https://devforum.zoom.us/u/Lam)\ **Replies:** 1\ **Last updated:** [April 21, 2026, 4:12pm UTC](https://devforum.zoom.us/t/share-screen-flutter-zoom-videosdk-2-4-12-in-flutter-not-working/142987 "2026-04-21T16:12:25Z")
Hi Zoom Dev Team, I’m using flutter\_zoom\_videosdk 2.4.12 with Android Video SDK 2.4.12.Video call, camera, mic, and join session all work fine. But Android screen sharing does not work correctly. What happens: shareH… --- ## [Samsung Galaxy A54 5G sample app crash on launch due to ZoomVideoSDKVideoHelper.rotateMyVideo(int)' on a null object reference](https://devforum.zoom.us/t/samsung-galaxy-a54-5g-sample-app-crash-on-launch-due-to-zoomvideosdkvideohelper-rotatemyvideo-int-on-a-null-object-reference/131235)
**Author:** [@Yohay](https://devforum.zoom.us/u/Yohay)\ **Replies:** 9\ **Last updated:** [April 17, 2026, 10:23am UTC](https://devforum.zoom.us/t/samsung-galaxy-a54-5g-sample-app-crash-on-launch-due-to-zoomvideosdkvideohelper-rotatemyvideo-int-on-a-null-object-reference/131235 "2026-04-17T10:23:05Z")
Description Samsung Galaxy A54 5G sample app crash on launch due to: ZoomVideoSDKVideoHelper.rotateMyVideo(int)’ on a null object reference commenting out (in Android studio) this line protected void refreshRotation(… [Previous page](https://devforum.zoom.us/c/video-sdk/55.md?page=1) [Next page](https://devforum.zoom.us/c/video-sdk/55.md?page=3)