Dialogflow (previously called API.AI) is conversational agent building platform from Google. It is a web-based platform that can be accessed from any web browser. The tool has evolved over time from what was built as an answer to Apple Siri for the Android platform. It was called SpeakToIt, an Android app that created Siri-like conversational experiences on any Android smartphone. The AI and natural language technology that powered the SpeakToIt app was opened up to developers as API.AI in 2015.
API.AI enabled developers to create conversational experiences by providing them tools to undertake two kinds of tasks: understand and generate natural language utterances and manage the conversation. While there are many competing tools to API.AI that are available in the market, we chose API.AI because it was one of the first, is very mature and constantly...