This an example of Rest framework api built using express.js. This should be tested with POSTMAN.

1. GET: URL : https://l1w5qlr3ke.execute-api.us-east-1.amazonaws.com/dev/books Body: Not required Response: List of all the books present in the database

2. POST: URL: https://l1w5qlr3ke.execute-api.us-east-1.amazonaws.com/dev/books Body: In postman select body->choose raw option -> Json format. Example data to be inserted in the body. { "name" : "name of the book", "price" : "price of that book", "author" : "author of that book" } Response: { "_id": "unique id generated", name" : "name of the book", "price" : "price of that book", "author" : "author of that book" }

3. Patch (requires book id): URL: https://l1w5qlr3ke.execute-api.us-east-1.amazonaws.com/dev/books/{id} Body: In postman select body->choose raw option -> Json format. Example data to be inserted in the body. { "name" : "name of the book", "price" : "price of that book", "author" : "author of that book" }(All fields are required during updation too)

4. GET (particular book): URL : https://l1w5qlr3ke.execute-api.us-east-1.amazonaws.com/dev/books/{id} Body: Not required Response: information about that book

5. DELETE (requires book id): URL : https://l1w5qlr3ke.execute-api.us-east-1.amazonaws.com/dev/books/{id} Body: Not required