This chapter started by delivering a comprehensive overview of what API-led architectures actually are, including a detailed explanation of the fact that there isn't one, but at least two main types of API: single-purpose, focused on delivering tailored functionality in support of a specific and well-known digital experience, and multi-purpose, a more generic functionality aimed at solving many use cases (most of which are probably not known at the time the API is conceived).
The chapter then continued to explain that APIs are like doors but to information and functionality, and that these doors (the APIs) are accessible through a set of API exposure capabilities, responsible for providing fast, secure, and reliable access to such assets.
It was later explained, however, that the heavy lifting doesn't (and shouldn't) happen in the API exposure block, and...