Agora.io is a platform that allows developers to embed real-time video and audio streaming into their apps. It provides APIs compatible with various platforms, enabling the addition of real-time engagement (RTE) to apps. Agora.io's Web Voice SDK offers features like voice recording and voice calls, making it suitable for web applications. The platform has partnered with Symbl.ai to provide AI-powered services such as speech recognition, conversation analytics, and contextual insights. By utilizing Agora.io's SDKs and services, developers can easily add real-time audio and video capabilities to their apps, enhancing user engagement without the need for extensive development efforts.