API is not a new concept in software engineering. In fact, SOAP was invented in 1998 which was very popular back then, it is still used today in large enterprise software. Representational State Transfer (REST) was proposed by Roy Fielding in 2000. Which became very popular due to its simplicity and in the last decade the adoption of RESTful API was tremendously seen in existing enterprise software as well as new software developed.
While building RESTful API in java, we have many frameworks and libraries to choose from. In this article, we will quickly cover some of the questions that one needs to ask before building RESTful API in java.