The Fetch API is a modern web API that allows developers to make network requests to servers and retrieve resources, such as data or files. It provides a more powerful and flexible feature set compared to the older XMLHttpRequest method. With the Fetch API, developers can easily handle responses in various formats, including JSON, text, and blobs, making it suitable for a wide range of applications. One of the key advantages of the Fetch API is its promise-based structure, which simplifies asynchronous programming. This means that developers can use async/await syntax to write cleaner and more readable code when handling requests and responses. Overall, the Fetch API enhances the way web applications interact with servers, improving both performance and user experience.