The principles of this book, if followed while designing and maintaining an API, will ensure third-party developers grok your API while consequently reducing support tickets and emails. Developers will travel from tech conference to tech conference rejoicing what a pleasure working with your API has been, getting more developers to sign-up along the way. By the time you're done reading this book you'll have a high-level understanding of how to build an HTTP API Ecosystem which third-party developers will love.