API Design in Front-End Systems

The API layer is the bridge between your frontend and the backend server. Whenever your app needs to load data, create new posts, update content, or listen for changes, it communicates with the server through APIs. The protocol you choose for this communication depends on the type of application you are building and its real-time requirements. Good API design starts with that choice, and MDN’s HTTP overview is a useful refresher.

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Choosing the Right API Protocol

The choice of API protocol comes down to the application’s needs. Here’s a quick reference table of common front-end application types and the protocols that make the most sense for each:

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