API documentation often falls short in user-friendliness, creating challenges for developers who are not yet committed to using the product. Effective documentation should be easily navigable, with a well-designed UI that keeps all information on a single dynamic page, enhancing accessibility through features like anchor links and navigation bars. The article contrasts the cumbersome navigation of Event Tracing's API with the streamlined single-page layout of Plaid's API, which allows users to search and find information quickly. Additionally, a three-pane view, as adopted by companies like Clearbit and later PayPal, offers a balanced presentation of navigation, explanations, and sample code, enabling users to comprehend and apply information efficiently. Incorporating an API Explorer, as demonstrated by Flickr's "App Garden," further reduces entry barriers by allowing users to make calls directly from the documentation page without cumbersome setup processes. Ultimately, combining thorough content with an intuitive UI is crucial for engaging users, and tools like ReadMe offer standardized templates to simplify this process.