Application needs to be verified if you want to have more access in Mindtalk API. By verifying your application, you can use XAuth to add more scopes.
To have your application verified, you need to send an email to api[-at-]mindtalk.com. The subject should be:
App Verification: [YOUR-APP-ID]
In the body, provide detailed information about your application and the reason why you need XAuth to proceed. Mindtalk Team will check your request as soon as possible and review your application thoroughly. If your application is approved by the team, you will soon have XAuth capability.