RapidAPI is the universe's largest API marketplace, and their goal is to make it as easy as possible for developers to connect to the world's best APIs. With a library of over 10,000 APIs, developers can explore and utilize powerful products from companies like Uber, Microsoft, Twilio, and Google, as well as by smaller upstarts. To further cultivate an API culture, RapidAPI offers free ebooks, tutorials, and other resources to help developers understand and grow more comfortable with APIs.