Google Cloud Dialogflow has a range of functionalities, which include NLU, speech recognition, and a robust management toolset. Using the API.AI platform, end-users can integrate conversational applications or bots on various channels, such as Skype, Cortana, Facebook, Line, Kik, Slack, Cisco spark, Telegram, and Twilio. Furthermore, the Google Cloud Dialogflow provides SDK for various other platforms, such as Android, iOS, Node.js, Cordova, Java, and .NET. The platform supports more than 14 languages, including English, Chinese, Dutch, French, and Spanish. Companies such as Comcast, Royal Dutch Airlines, Hubspot, and Wall Street Journal are significant users of the API.AI platform to better serve their customers and enhance customer experience. The company has added the Natural Language (NL) API into Google Cloud Dialogflow, based on NLP and NLU tools that can detect the intent of users, classify the content, and analyze sentiments. Furthermore, Google Allo and Google Home are powered by Google Assistant, which is based on the NL API platform. The company also offers actions on Google tool for developers to build conversational apps for Google Assistant. Apart from this, Google Cloud Dialogflow provides analytics tools, such as Chatbase, for customers and developers to improve the performance of their bots. Chatbase helps developers to monitor the health of their bots, fix bugs, and optimize user churn.