A REST API (also known as RESTful API) is an application programming interface (API or web API) that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services.
Technology

What is REST API? | How Does REST API Work? & Why Use?

  • Jitendra Sharma
  • 5th Dec 2021

What is REST API?

A REST API (also known as RESTful API) is an application programming interface (API or web API) that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services.  

REST API

REST : 

REST stands for representational state transfer. It is an architectural style that defines a set of rules in order to create Web Services. In a client-server communication, REST suggests to create an object of the data requested by the client and send the values of the object in response to the user.

API : 

As you know well, API stands for Application Programming Interface.

How Does REST API Work?

API Gateway REST APIs use a request/response model where a client sends a request to a service and the service responds back synchronously. This kind of model is suitable for many different kinds of applications that depend on synchronous communication.

REST API Work

 

Why Use REST APIs?

The REST framework was introduced by computer scientist Roy Fielding in 2000, and today it shapes how we view, modify, and transfer content online. Many of the most popular web and cloud companies use REST APIs for their applications, including Facebook, YouTube, Twitter, and Google.

 

Example : REST API  

You can find REST APIs all over the web — you’ve likely used some today without realizing it.

Facebook

The Facebook Basic Display API offers access to profile information, photos, and videos. You can utilize this API and others to build apps that pull this user information and integrate it into your own product. Facebook also has a Graph API available for professional Facebook accounts to manage their online activities.

Facebook & Google login using  REST API

Whenever you are using your social media accounts like Facebook or Google over a third-party application, you are bringing APIs into play. For example, login or data sharing purposes, where API enables you to access.

Advantage REST API? 

  • Basically, it’s an excellent system for web apps. Here are the main benefits to this type of API.
  • REST APIs are flexible. They can handle many types of requests and send data in many different formats.
  • REST APIs are scalable. They are designed for communication between any two pieces of software, regardless of size or capability. As a web application grows and adds more resources, its REST API will be able to quickly handle the increasing amount and variety of requests.
  • REST APIs incorporate existing web technologies, making them relatively easy to build and use. To request a resource via a REST API, you just need to provide its URL.
  • API’s are not new, yet many of you might find them unusual and bizarre. You might be surprised to know that you are using API’s on a daily basis for a very long time.

 

Opencart REST API 

View Documentation                                    More Information

 

WordPress REST API Woo-commerce

View Documentation                                      more  information

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