API documentation is a crucial part of any web development project, as it helps developers and users understand how to interact with your application. However, writing and maintaining API documentation can be a tedious and time-consuming task, especially if you have to update it manually every time you make changes to your code. Fortunately, there are tools and standards that can help you generate API documentation automatically from your code annotations or comments, such as Swagger and Javadoc. In this article, we will compare these two popular options and show you how to use them for your web development projects.