Daily's prebuilt UI offers a streamlined way to integrate high-quality video chat into websites or apps with minimal coding effort, using their video API infrastructure. It supports essential features for production-quality video calls, such as permission handling, audio and video management, error handling, and dynamic bandwidth management, ensuring seamless video conferencing regardless of participant count or browser differences. The interface also includes optional functionalities like screen sharing, real-time network quality monitoring, multilingual support, text chat, participant list display, and call recording capabilities. By leveraging Daily's prebuilt UI, developers can save significant time and resources as ongoing API optimizations and feature additions are automatically integrated, though there is room for customization to meet specific user needs or branding requirements. Users are encouraged to experiment with the prebuilt UI and reach out with any questions or additional feature requests.