It’s possible to retrieve users by tags, ID, email, login, full name, phone number and external user ID using iOS, Android, or JavaScript SDKs.
Please review the corresponding section in our official documentation:
iOS SDK – Users | iOS SDK | QuickBlox
Android SDK – Users | Android SDK | QuickBlox
JavaScript SDK – Users | Java Script SDK | QuickBlox
Using React Native SDK, you can retrieve a list of users only by ID or full name:
Users | React Native SDK | QuickBlox
Using Flutter SDK, you can retrieve a list of users only by ID, full name, or tags:
Users | Flutter SDK | QuickBlox
Feel free to check our official documentation for more information that will help you to integrate QuickBlox services into your applications / projects or contact our Support team by submitting a ticket if you have any other questions.