Building APIs your consumers will love is easier said than done. It requires substantial expertise and experience.API-University is here to help. Here you get books, courses and free advice, so you can build APIs that your consumers love. The API-University is the place to learn about best practices on APIs.The API-University publishes a modular series of books on API-related topics. Each book focuses on a particular API topic, so you can select the topics within APIs, which are relevant for you.The API-University also offers courses on API-related topics. Our courses provide practical knowledge that can be directly applied in your projects. Courses are available both online and as in-person workshops.A lot of the information on APIs is available on the web. Most of it is published by vendors of API products. I am always a bit suspicious of technical information pushed by product vendors. This book is different. In this book, a product-independent view on API architecture is presented.