This project illustrates the basic of building a web API with Clojure. Emphasis is on using simple approaches, allowing Clojure beginners to get started easily. It's not about illustrating the best, state-of-the-art way of building such an API with Clojure.

You can find all relevant code and documentation on github: https://github.com/nblumoe/mundane-clojure-for-mortals

For a more sophisticated, advanced and structured approach have a look at duct for example.