Next, we quickly look at some of the APIs to perform various activities on Elasticsearch. Since Elasticsearch provides REST interface to interact with, you can use any REST client, such as Postman. Alternatively, you can use Kibana Dev Tools to execute REST calls. There is a small difference between them.

We will understand various RESTful API by taking an example of a student entity. The purpose is to explain how to create a students index; create the student document type; add, update, and delete student data; and delete the document type and index.