Stream powers real-time communication experiences for billions of end users across multiple industries. Stream's Chat API and SDKs were developed to enable teams to quickly ship a full-featured, high-fidelity, in-app chat experience in days that typically take years to build in-house. We offer chat SDKs for Android, Angular, Compose, Flutter, iOS, React, React Native, Swift, SwiftUI, Unity, and Unreal that are fully customizable, scalable, performant, and provide robust security, full multi-tenancy support, and easily integrate with existing systems.