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This article explains how to use TanStack Query to improve data fetching and mutation handling in React applications. It provides a practical guide on implementing useQuery and useMutation for GET and POST requests, respectively. The tutorial is written by Poornakumar Rasiraju, a DZone contributor, and covers key concepts such as caching, retries, and background refetching. It is worth reading because it helps developers reduce boilerplate code and manage state more efficiently. Readers will learn how to implement TanStack Query in their React projects and leverage its features for better performance and maintainability.

Key facts

• TanStack Query simplifies data fetching and mutation handling in React applications by providing built-in caching, retries, and synchronization.
• The useQuery hook is used for GET requests, allowing developers to fetch data and manage loading, error, and success states seamlessly.
• The useMutation hook is designed for POST, PUT, and DELETE requests, enabling developers to perform mutations and refresh data automatically.
• TanStack Query reduces the need for manual state management by handling loading, error, and data states internally.
• Features like retry logic, conditional fetching, caching, request cancellation, and background refetching enhance the user experience and application reliability.