Sendbird, established in 2013, has emerged as a dominant player in the communications SDK space, providing a comprehensive solution for chat, voice, and video communication. The platform is designed to support high volumes of communication, processing over 7 billion messages monthly for over 6 billion end users. Its offerings include APIs, SDKs, and UI kits that enable developers to create tailored communication experiences. Sendbird’s features encompass private 1-1 chats, group chats, and public channels, facilitating rich media sharing such as audio, video, images, and files. Additionally, it offers user engagement tools like typing indicators and read receipts to enhance user interaction. Advanced moderation features help maintain a safe communication environment, while push notifications keep users engaged in real-time. The platform is versatile, finding applications in social networking, e-commerce, gaming, education, and healthcare. For developers looking to integrate Sendbird, the process involves creating an account, generating an API key, choosing the appropriate SDK, and implementing features tailored to their application's needs. Despite its robust feature set and ease of integration, potential users should consider factors such as budget, scalability, and specific feature requirements before committing to the service. Overall, Sendbird is a powerful option for enhancing user engagement across various applications.