ReST JSON XML

REST API is REpresentational State Transfer Application Programming Interface.

It provides operations (HTTP methods) such as GET(Read), POST(Send), PUT(Edit or Update) used for multiple,PATCH(Edit or Update) used for single variable) and DELETE (Delete data).

JSON stands for JavaScript Object Notation. JSON is a lightweight format for storing and transporting data. JSON is often used when data is sent from a server to a web page.

XML Extensible Markup Language  is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.