Building Conversational Apps Using Actions on Google and API.AI

At the Amazon re:Invent conference, Amazon announced Lex, a deep learning service that is based upon the technology used by Alexa in Amazon's portable Bluetooth and Wi-Fi enabled Echo speaker. Shortly after Amazon's announcement, Google introduced Actions on Google which allow developers to build Google Assistant-based conversational apps, including integration with the Google Home device. You as a developer to integrate your services with the Google Assistant. Conversation actions which enable you to fulfill a user request action through a two-way dialog. When users request an action, the Google Assistant processes this request, determines the best action to invoke, and invokes your Conversation Action if relevant.