Design architectures for seamless connectivity across devices and applications, considering interoperability and connectivity issues, complex device interrelationships, sensors, protocols, networks, formats, data flow across data models, etc. We identify and define microservices and APIs when designing IoT architectures for optimized application deployment. Motax develops web and mobile apps for IoT, which are crucial for success, as they provide control, monitoring, and device management for end-users. We define device behavior through customized applications and existing software components to structure, process, and manage data provided by devices.