REST API is popular because it is user-friendly and easy to understand for the developers to code on it. Developing REST API is easier compared to the rest when your actual focus is on data.
There are several reasons for adopting REST APIs so fast. For instance, since REST uses standard HTTP asks for, our data validation and address verification APIs are easy for designers for comprehending and executing. One more reason is, RESTful architectures make it easy to give output in more adaptable data formats such as JSON.
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Also, watch this video on REST API with Node Js to understand more: