# Start a meeting for a non-logged in or API user

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> The code on this page works with either the **default UI** or the **custom UI**.

After getting the [Zoom Access Key (ZAK) token](/docs/api/users/#tag/users/GET/users/me/zak), pass it to start meetings with either a meeting number or a vanity ID.

## Start with a meeting number

To start a meeting with meeting number, first get a `MeetingService` instance from ZoomSDK.

```java
int ret = -1;
MeetingService meetingService = mZoomSDK.getMeetingService();
if(meetingService == null) {
    return ret;
}
```

Then configure `StartMeetingOptions` and prepare `StartMeetingParamsWithoutLogin`.

```java
StartMeetingOptions opts =ZoomMeetingUISettingHelper.getMeetingOptions();

StartMeetingParamsWithoutLogin params = new StartMeetingParamsWithoutLogin();
```

Store the user ID, Zoom Access Key (`zoomAccessToken`), display name, and
meeting number in the `StartMeetingParamsWithoutLogin` instance, and
start the meeting by calling `startMeetingWithParams` method.

```java
APIUserInfo userInfo = APIUserInfoHelper.getAPIUserInfo();
if (userInfo != null) {
    params.userId = userInfo.userId;
    params.zoomToken = userInfo.userZoomToken;
    params.userType = STYPE;
    params.displayName = DISPLAY_NAME;
    params.zoomAccessToken = userInfo.userZoomAccessToken;
    params.meetingNo = meetingNo;
    ret = meetingService.startMeetingWithParams(context, params, opts);
    Log.i(TAG, "startMeetingWithNumber, ret=" + ret);
}
return ret;
```

## Start with a vanity ID

**Vanity ID** is a personalized ID that uniquely belongs to a user.

To start a meeting with a vanity ID, the process is almost the same as starting a meeting with a meeting number. Just store the vanity ID inside the `StartMeetingParamsWithoutLogin` instance instead of the meeting number.

```java
int ret = -1;
MeetingService meetingService = mZoomSDK.getMeetingService();
if(meetingService == null) {
    return ret;
}

StartMeetingOptions opts = ZoomMeetingUISettingHelper.getMeetingOptions();

StartMeetingParamsWithoutLogin params = new StartMeetingParamsWithoutLogin();
APIUserInfo userInfo = APIUserInfoHelper.getAPIUserInfo();
if (userInfo != null) {
    params.userId = userInfo.userId;
    params.zoomToken = userInfo.userZoomToken;
    params.userType = STYPE;
    params.displayName = DISPLAY_NAME;
    params.zoomAccessToken = userInfo.userZoomAccessToken;
    params.vanityID = vanityId;
    ret = meetingService.startMeetingWithParams(context, params, opts);
    Log.i(TAG, "startMeetingWithVanityId, ret=" + ret);
}
return ret;
```

## Start meeting status

To know whether the start meeting action succeeded, didn't succeed, or resulted in an error, implement the `onMeetingStatusChange` method.

```java
@Override
public void onMeetingStatusChanged(MeetingStatus meetingStatus, int errorCode,
                int internalErrorCode) {
Log.i(TAG, "onMeetingStatusChanged, meetingStatus=" + meetingStatus + ", errorCode=" + errorCode
    + ", internalErrorCode=" + internalErrorCode);

if(meetingStatus == MeetingStatus.MEETING_STATUS_FAILED && errorCode == MeetingError.MEETING_ERROR_CLIENT_INCOMPATIBLE) {
    Toast.makeText(this, "Version of ZoomSDK is too low!", Toast.LENGTH_LONG).show();
}
}
```

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