This course covers various aspects of building, deploying and consuming REST API's. Depending on the chosen language (Python, Java or PHP or Node JS), appropriate API development framework is used to build API. As a variety of API from utilities, to image manipulation, data storage and retrieval API etc. are build students throughout the course. The course covers JSON, unit testing and load testing API using tools like Postman, build documentation for API etc. It covers advanced topics like authorization, authentication, rate limiting, caching and performance as well.