Chances are you will need to access an API on the web without a custom API client. You'll have to make the web requests yourself. You want something reliable, fast, and with all the features. In Clojure, that is clj-http. It's built on the Apache HttpComponents library, which is a robust, well-tested Java library.

This course will give you the basics and further help you develop confidence making web requests in Clojure.