What is API documentation

The backend of an application is the area where configuration of server, databases, interfaces and operating system occurs in order to power an application’s front-end. … Developers wishing to create applications with server-side interactions would likely need suitable Backend APIs.

Actually API is an independent entity but one can categorize is as backend technology . A technology is said to be front-end because it is presented upfront to the user (UI etc) whereas technology is said to be backend because it supports the front-end from backstage.

A back-end API is a programming interface that helps developers to interact with back-end services for example server . When choosing a backend API, there are a multitude of options available. There are certain things that you need to keep in mind that will lead you to your goals.

REST and GraphQL are both standard ways to develop backend APIs . But over the past decade REST APIs have dominated as a choice for developing backend API’s. And many companies and developers use it actively in their projects. But REST has some limitations, and there’s another alternative available – GraphQL.