Messaging apps are becoming the new platform for users. These platforms integrate with third party services and replace apps as browser replaced client applications. In this context, bots act as intelligent agents that will automate day to day tasks, from ordering food, booking an Uber car, and automate also calls and messages. At the same time, Slack has disrupted in a large scale the way we communicate in teams, opening a new era for communications and messaging bots. During this session, we will show how bots will replace apps and their role in next generation voice & messaging services through APIs.