Information on how to integrate QuickBlox SDKs with your application is available in our official documentation: Introduction | QuickBlox

We provide chat code samples to help get you started: Code Samples | QuickBlox

As well as guidance for implementation for each specific SDK: 

iOS SDK – Setup | iOS SDK | QuickBlox

Android SDK – Setup | Android SDK | QuickBlox

JavaScript SDK – Setup | JavaScript SDK | QuickBlox

React Native SDK – Setup | React Native SDK | QuickBlox

Flutter SDK – Setup | Flutter SDK | QuickBlox

Or Server API – Setup | Chat

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.