6 REST AND GRAPHQL APIS
An API is a generic pattern used to connect computers or computer programs. Unlike a user interface, it’s designed to be accessed not by a user but by another piece of software. One purpose of APIs is to hide the internal details of a system’s workings while exposing a standardized gateway to the system’s data or functionality.
As a full-stack developer, you’ll usually interact with, or consume, two kinds of APIs: internal and third-party. When querying an internal API, you’re consuming data from your own systems, typically from your own database or service. Private APIs are not available to outside parties. For example, ...
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