The operator of the Netherlands KPN and the American AT&T have presented the API Store and Marketplace APIs, respectively, that use the Kandy versions of the Ribbon platform. These APIs stores (application programming interface) emerge as one of the alternatives adopted by the operators to transform their traditional offer of unified communications for the business segment: this generates cloud-based options that allow self-managed recruitment - similar to that of any e-commerce site- and the implementation of new communication features without the need to write code or with very little writing. In other words, to be able to add interaction options with its internal (employees) and external customers almost in real time.