Chapter 1
Application Programming Interface (API) Fundamentals
This chapter first establishes the context of remote APIs. Next, it motivates why APIs are so important today. It also calls out the main design challenges for APIs, including coupling and granularity concerns. Finally, it introduces an API domain model to establish the terminology and concepts used throughout the book.
From Local Interfaces to Remote APIs
Hardly any fully disconnected application exists today; even standalone applications typically offer some kind of external interface. A simple example is file export and import, often text based; even copy-paste capabilities leveraging the operating system clipboard can be seen as interfaces. Looking inside applications, every ...
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