Meeting SDK usage policy
The Meeting SDK is designed for human use cases and does not support bots or AI notetakers. To build an AI notetaker application or access realtime media, use Zoom RTMS (Real-time media streams).
This document provides a comprehensive list of error codes that may be returned by the Zoom Meeting SDK.
Error code reference
| Error Name | Code | Category | Description |
|---|---|---|---|
SUCCESS | 0 | Success | Invoke function success. |
FAIL | 1 | General | Invoke function error (client view only). |
FAIL | 200 | General | Invoke function error (component view only). |
MEETING_NOT_INIT | 2 | Initialization | Meeting initialization error (client view only). |
Meeting validation errors (3000-3999)
| Error Name | Code | Description |
|---|---|---|
EMAIL_REQUIRED | 3000 | Another meeting running. |
ERROR_NOT_EXIST | 3001 | Meeting does not exist. |
ERROR_NOT_HOST | 3003 | Not meeting host. |
WRONG_MEETING_PASSWORD | 3004 | Wrong meeting password. |
ANOTHER_MEETING_RUNNING | 3005 | Email required for webinars running. |
MEETING_NOT_START | 3008 | Meeting has not started. |
BE_REMOVED | 3009 | User has been removed. |
REGISTRATION_REQUIRED | 3099 | This meeting requires registration. |
LOGIN_REQUIRED | 3100 | Requires login. |
TOKEN_ERROR | 3265 | Token error. |
NOT_SUPPORT_WEBCLIENT | 3603 | Does not support start or join meeting from web. |
TSP_NOT_SUPPORT | 3608 | Does not support start or join meeting from web, when you chose TSP as user audio in a meeting. |
MEETING_NOT_EXIST_ALT | 3610 | Meeting does not exist. |
USE_DESKTOP_OR_MOBILE | 3611 | Unable join from browser. Join using the Zoom desktop client or mobile app. |
EMAIL_BLOCKED | 3620 | Email is blocked by Administrator. |
NO_RESPONSE_FROM_WEB | 3621 | No response from web, try again later. |
TOKEN_ERROR_ALT | 3623 | Token error. |
HOST_EMAIL_REQUIRED | 3624 | Use host/alternative host to start the webinar. |
HOST_INACTIVE | 3625 | Meeting host is inactive. |
HOST_NOT_EXIST | 3702 | The meeting host does not exist. |
API_KEY_INVALID | 3704 | The accounts API Key is not valid. |
SIGNATURE_EXPIRED | 3705 | The signature has expired. |
ROLE_ERROR | 3708 | Incorrect role. |
HOST_NOT_FOUND | 3709 | The meeting host is not found. |
API_KEY_DISABLED | 3710 | The accounts API Key is deactivated. |
CANT_HOST_CONCURRENT | 3711 | Cannot not host another meeting concurrently. |
SIGNATURE_INVALID | 3712 | Signature is invalid. |
NO_PERMISSION | 3713 | No permission. |
Connection status errors (4000-4999)
| Error Name | Code | Description |
|---|---|---|
RE_CONNECTING | 4000 | Reconnecting meeting. |
DISCONNECT | 4001 | Meeting has disconnected. |
INVALID_PARAMETER | 4003 | Invalid parameter. |
MEETING_ENDED | 4004 | The meeting has been ended. |
MEETING_CAPACITY_REACHED | 4005 | Meeting capacity has been reached. |
MEETING_LOCKED | 4006 | The meeting has been locked. |
REJECT_BARRIERS | 4007 | Reject for information barriers. |
PARTICIPANT_EXIST | 4008 | Participant exists. |
SERVER_ERROR | 4009 | The server encountered an internal error and was unable to process your request (client view only). |
NOT_ALLOW_CROSS_JOIN | 4011 | To join a meeting hosted by an external Zoom account, your SDK app has to be published on Zoom Marketplace. See Section 6.1 of Zoom's API License Terms of Use. |
RECORDING_TOKE_EXPIRED | 4016 | Cannot join meeting with an expired recording token (component view only). |
System and service errors
| Error Name | Code | Description |
|---|---|---|
BLOCKED_BY_HOST_ADMIN | 6603 | Join failed because this Meeting SDK key is blocked by the host's account administrator (client view only). |
SDK_VERSION_UNSUPPORTED | 10000 | The current SDK version is no longer supported. Upgrade to the latest version. |
UNABLE_JOIN_ENDED_SIMULIVE | 13208 | You cannot join this simulive webinar now because it has ended (client view only). |
Anonymous join enforcement / OBF error codes
OBF token enforcement dates
- On February 7, 2026 - If you provide an OBF token, it must be valid. It must be well-formed and it must not be expired.
- On March 2, 2026 - you will not be able to join anonymously. You must provide a valid OBF token or other authenticated join method.
| Error name code number | Description | UI Message console message |
|---|---|---|
NOT_ALLOW_ANONYMOUS_JOIN4012 | Anonymous joins are not allowed for this SDK app. Authenticate the Zoom user and provide a ZAK or OBF token. | UI message: Unable to join this meeting. This join flow is not supported, please join the meeting with a Zoom Client or contact your meeting host or vendor. Console message: Anonymous joins are not allowed for this SDK app. Authenticate the Zoom user and provide a ZAK or OBF token. |
USER_LEVEL_TOKEN_NOT_HAVE_HOST_ZAK_OBF4013 | To use a user-level privilege token, you must also provide an OBF or ZAK token authorized by the meeting host. | UI message: Unable to join this meeting. This join flow is not supported, please join the meeting with a Zoom Client or contact your meeting host or vendor. Console message: To access meeting raw data using a privilege token, you must also provide a corresponding OBF token authorized by the meeting host. |
MEETING_FAIL_ON_BEHALF_TOKEN_INVALID4014 | The provided OBF token is invalid. Please verify that it is well-formed and has not expired. | The provided OBF token is invalid. Please verify that it is well-formed and has not expired. |
MEETING_FAIL_ON_BEHALF_TOKEN_NOT_MATCH_MEETING4015 | The meeting number associated with the provided OBF token does not match the current meeting. | The meeting number associated with the provided OBF token does not match the current meeting. |
| 4016 | The Privilege token is invalid. | The Privilege token is invalid. |
| 4017 | Authorized user not in meeting. | Authorized user not in meeting. |
| 4018 | Conflict with login credentials. | Conflict with login credentials. |
RESULT_UNKNOWN_ERROR6603 The OP block feature in production today and the new January setting for all users. | This account is blocking your Meeting SDK application. | UI message: Unable to join this meeting. Join failed because this Meeting SDK key is blocked by the host's account admin. Console message: No error message in console. |