What does REST API mean?
REST stands for Representational State Transfer which is a software architecural style based on Internet Protocol technology.
API means Application Programming Interface and is the point where two systems can connect and interact with one another via the internet.
Therefore, a REST API (also known as RESTful API) is an API that conforms to framework of REST architectural style and enables the interaction between RESTful web services in a client server relationshsip.