REST API Automation Testing from Scratch - REST Assured Java - Introduction to REST API and Where it is Used in Project

The video explains the concept of APIs as a middle layer between client and server, facilitating communication and data exchange. It highlights the independence of APIs from programming languages, allowing seamless integration across different systems. The video uses a hotel reservation system as an example to demonstrate how APIs work in real-world scenarios, emphasizing their role in simplifying client-server interactions and enabling language-independent data transmission using formats like JSON and XML.

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