Microsoft Dynamics CRM Mobile Java SDK simplifies the construction of Android mobile applications in Java language. Its message and data classes are suited for building Android mobile applications. The official SDK communicates with the Microsoft Dynamics CRM Web API. It is compatible with Android API 18 to 23, and requires the onwards of Android Studio version 1.0.
The Streak API integrates its client relationship management (CRM) platform into other applications like MailChimps and Wufoo. The API's webpage reveals that it requires an API key and uses HTTP Basic Auth. The request format supports Create, retrieve, update, and delete (CRUD) with response in JSON. The purpose of the API is to manage CRM relationships through your application.