Redux cache api calls. Feb 25, 2025 · Basic Redux Caching:...

  • Redux cache api calls. Feb 25, 2025 · Basic Redux Caching: Good for simple applications where manual control over caching is needed. This article will explore how to use RTK Query to handle API calls in a React application. For simple cases, useEffect and useState are perfectly fine. Caching server responses can improve the responsiveness of your application. The official Redux Essentials tutorial: learn how to use RTK Query for data fetching One of the powerful tools included in Redux Toolkit is RTK Query, a data fetching and caching solution that greatly simplifies the process of making API calls in React. Built for Zustand/Redux, it is fully tested, completely typed, and written in TypeScript. It offers a streamlined approach with built-in data caching and other advanced features. Learn why your Redux app may be re-fetching data on navigation and how to effectively cache API responses using Redux and React. RTK Query: Best for automatic caching, background refetching, and built-in API handling. But I am concerned that I could still get cached data if someone else (another user) has updated the products and I didn't call /add-product API. js API caching has its advantages, there are also challenges and considerations to keep in mind: Cache Invalidation: One of the most challenging aspects of caching is determining when to invalidate the cache. Jan 29, 2026 · RTK Query is a powerful data fetching and caching library built on top of Redux Toolkit. Being new to React/Redux however, I am wondering where to make these calls from and how to pass it into my application If you fetch api in a component then everytime you access that component, the api will be called but with redux you have to call that api only once and use the value anywhere and anytime you want. Caching API responses can greatly increase UX by saving network bandwidth and not showing loaders for the same resources all over again while user navigates the application. com Redux Patterns: Caching an API Response Avoid Duplicating Calls for Stable Data Justin Tulk Follow The official Redux Fundamentals tutorial: learn how to use async logic with Redux How can I get data from the store using React Redux Toolkit and get a cached version if I already requested it? I need to request multiple users for example user1, user2, and user3. In my latest article on Medium, I break down why duplicate API calls happen in React and share 3 practical ways to prevent them: - Using useRef - Leveraging cached data (Redux / localStorage Introducing react-redux-cache (RRC) - a lightweight library for data fetching and caching in React applications that supports normalization, unlike React Query and RTK Query, while featuring a similar but much simpler interface. 3. Lack of automatic cache lifecycle strategies: Redux does not provide built-in mechanisms for automatically managing the lifecycle of cached data, such as storage expiration or automatic updates. The response has data which can be used in a population of dropdow A tutorial on how to setup API requests caching in the Redux store. Redux Toolkit Query - Cache Behavior RTK Query is a powerful tool for streamlining data management in Redux by incorporating intelligent caching strategies. Why is my redux app not caching an async api call in redux-thunk? Asked 4 years, 9 months ago Modified 4 years, 9 months ago Viewed 409 times a) Cache this information so that it persists and does not need to be re-called on every render, b) Make the app "know" when to re-call the API, because the stat has updated in the database? You can call the dispatch method of redux when you fetch data from API. Are there advantages I'm not seeing over storing API data in a cache? I haven't had much chance to see how caching solutions like react-query (or Apollo if using GraphQL) fair on a large scale because I was stuck in redux land at both workplaces. Also, you can go through this link to get implemented caching in redux. Do people agree that a simple cache is better as a default strategy for making api calls? This is because: Automatic tag invalidation only works within a single API slice. 0 I am caching product data coming from /products/name API using the Products tag and I want to re-fetch only when the product list has been updated. (without thunk/saga)” In modern web development, making API calls is a common requirement for fetching and updating data dynamically. . Why Redux Saga? 2 For some context, I have two queries, getAllPosts and getPost. Nov 26, 2025 · In this blog, we’ll explore why caching matters, key caching strategies, and step-by-step implementations in React & Redux—including manual caching, middleware, and leveraging Redux Toolkit’s RTK Query (a built-in caching solution). Prerequisites If cache data is being invalidated, it will either refetch the providing query (if components are still using that data) or remove the data from the cache. , redux-persist. I am trying to retrieve some data from an API and pass it into my application. API Data Caching, Query Optimization, and an In-Depth Look at React State Management Methods Working knowledge of JavaScript, React. If you have multiple API slices, the automatic invalidation won't work across them. js application to streamline state management and handle asynchronous operations, such as making API calls. Hi, Today we are going to build simple React application which call the get request and show the data Tagged with react, redux, javascript. RTK Query > Overview: a summary of the RTK Query data caching API for Redux Toolkit In my React based application, there is a rest API call which fetches all the data in one shot which is needed for the whole page. However, many developers find it challenging to manage data fetching and caching using Redux due to the lack of built-in support for server state. Because the main Redux Resource library does not provide tools to make HTTP requests, it is not possible for the main library to provide a caching mechanism. Start using redux-cache in your project by running `npm i redux-cache`. You can also create a fluid returning UX in combination with persistance libraries, e. If the cached data becomes stale, it can lead to inconsistencies in the application. How can I prevent this caching? My only aim is to update getAllPosts cache. Revalidating Data Revalidation is the process of purging the Data Cache and re-fetching the latest data. Re-initializing the Redux state often means having to make repeated API calls to re-fetch data, or losing user data completely. select(someCacheKey) returns a new selector function instance. Why Cache Data? Caching helps by: Reducing API calls. endpoints[endpointName]. Then we can use upsertQueryData to create a new cache entry for the getPostById(id) query, preventing an extra fetch to retrieve the item later. Introduction In Part 7: RTK Query Basics, we saw how to set up and use the RTK Query API to handle data fetching and caching in our application. Every createApi call generates its own middleware, and each middleware added to the store will run checks against every dispatched action. You are not required to use the Master Redux Toolkit RTK Query for React data fetching and caching. ---This video is based on the RTK Query is a powerful addition to the Redux Toolkit ecosystem, simplifying data fetching and caching for React applications. Provides RTK Query - a powerful data fetching and caching solution built on top of Redux Includes utilities for common use cases like creating slices, async thunks, entity adapters Redux Toolkit includes the RTK Query data fetching and caching API. RTK Query itself is built on top of the Redux Toolkit core, and leverages RTK's APIs like createSlice and createAsyncThunk to implement its capabilities. Since I’m syndicating my Redux store to local storage, I’m trying to figure out a pattern where I don’t re-request this data more than every [x], where [x] could be a time limit anywhere from milliseconds to days. RTK Query is a purpose built data fetching and caching solution for Redux apps, and can eliminate the need to write any additional Redux logic like thunks or reducers to manage data fetching. It might be a list of products available in the It could certainly be used to cache API calls too. Jul 23, 2025 · While Redux provides a centralized approach to state management, incorporating caching mechanisms can further enhance its efficiency, especially when dealing with data that doesn't frequently change or requires expensive computations. When defining an API slice, createApi accepts an array of tag type names for the tagTypes property, which is a list of possible tag name options that the queries for the API slice could provide. RTK Query is an advanced data fetching and caching tool, designed to simplify common cases for loading data in a web application. Latest version: 0. One of its key features is the default cache behavior, which ensures that data fetched from the server is stored in the Redux store, preventing repetitive calls for the same data. In this article, we will go through a small example demonstrating how Redux state can be cached locally, then rehydrated using cache data when the page is refreshed. What is the Data Cache? The Data Cache is a persistent HTTP cache. I usually use api calls in redux but do post request whose value is not utilized later in component. js, and Redux/Redux Toolkit is sufficient for this tutorial. Working with Redux Saga: Making API Workflows Smooth First of all, I’m no expert, but I’ll try my best to explain how you can use Redux Saga to handle side effects in your React or React Native project. How to Create or Replace Cache Entries with Redux Toolkit Introduction In modern web development, managing application state efficiently is crucial for ensuring performance and enhancing user … If the client makes an API call to create a Post, the backend could return its complete data including the id. That has a perf cost that adds up. useInfiniteQuery, matching how you defined that endpoint. Prerequisites You should be comfortable with redux (and probably react) by now. On this page of Redux I saw that it is possible to cache with In this post, I’ll demonstrate how we traditionally handle API fetching and how Redux Toolkit Query (RTK Query) streamlines the process by providing powerful tools like caching, automatic re That's where Redux Toolkit Query comes in to simplify your API calls and help you focus on building great user experiences. RTK Query is included in the @reduxjs/toolkit package as an additional addon. We added an "API slice" to our Redux store, defined "query" endpoints to fetch posts data, and a "mutation" endpoint to add a new post. I will walk you through the best approaches to caching in React, ensuring your application remains fast, responsive, and scalable. If your app only makes one or two API calls and doesn't need caching or background updates, React Query might be overkill. A query can cache the status and result of any async/promise method. Generally, persisting API slices is not recommended and instead, mechanisms like Cache-Control Headers should be used in browsers to define cache behavior. Depending on your platform, the cache can scale automatically and be shared across multiple regions. By automatically storing data retrieved … In this article, we will explore how to use the Redux Toolkit in a React. Each call to . If your application involves a lot of API calls, Redux Saga can simplify the process and make your code more manageable. Doing this has a pros that you don't need to modify your existing action and reducer. This post will go through an alternative design pattern, to make async actions and API calls easier for smaller apps (and perhaps for larger ones as well), while respecting the three principles of redux and one way data flow. I've seen people do this, but personally, I disagree with that choice because you lose the separation between user-fetched data and application assets. When data is fetched from the server, RTK Query will store the data in the Redux store as a 'cache'. RTK Query RTK Query is an optional add-on in the Redux Toolkit package that simplifies data fetching and caching. HackerNoon. I haven't been able to figure out if I can cache the api calls locally so that when I close the app and restart it it's still there. I am following redux-saga documentation on helpers, and so far it seems pretty straight forward, however I stumbled upon an issue when it comes to performing an api call (as you will see link to th Deep dive into react-redux with a thunk as a middleware to make the API calls on-load that makes your app faster. useQuery, api. Persisting and rehydrating an api slice might always leave the user with very stale data if the user has not visited the page for some time. Client side TTL caching strategy for redux applications. Challenges and Considerations While using Redux for Node. A TIP FROM THE EDITOR: For more on Redux Toolkit, don’t miss our Fetching Data In Redux Using RTK Query and Leverage data from RapidApi using Redux Toolkit articles. Now whenever getPost query is triggered, I update the query data of getAllPosts using queryDataUpdate method. Learn more about the Data Cache. That’s where Redux Toolkit Query (RTK Query The common answers are to have your Container components call the APIs (possibly resulting in passing the dispatch method around) or using middleware like redux-thunk, redux-saga, or redux-loop. Visit [Implementing caching in redux] How do I implement caching in Redux? Here is the GitRepo that you can download to thoroughly understand the code. The official, opinionated, batteries-included toolset for efficient Redux development - reduxjs/redux-toolkit “Fetching API data using redux in React. Redux Toolkit's createAsyncThunk simplifies the creation of asynchronous action creators, allowing us to efficiently fetch data from APIs. Why do we need to cache API responses in web applications? Some of the data that we get from API doesn’t require updating ten times per session. But calling getPost creates a new cache entry in the store. 0, last published: 6 years ago. The primary endpoint hooks are available as api. Complete guide with API setup, cache management, mutations, and best practices. It simplifies API data management in React applications by providing automatic caching, request deduplication, and optimistic updates. When an additional request is performed for the same data, RTK Query will provide the existing cached data rather than sending an additional request to the server. With that said, bindings for view libraries, such as React, are the perfect place for caching to be implemented. By serializing the parameters used in API requests into a queryCacheKey, RTK Query identifies identical requests. Mar 23, 2017 · My solution was to create a middleware, to cache the Request action before it goes to the actual thunk, which request data from the API. But for most real-world apps with multiple data sources, React Query saves time and reduces bugs by handling the hard parts of server state management. Learn how to simplify state management in React and make efficient API calls using Redux Toolkit and createAsyncThunk. In order for memoization to work correctly, you should create a given selector function once per cache key and reuse that selector function instance, rather than creating a new selector instance each time. Since the most common type of query is an HTTP request, RTK Query ships with fetchBaseQuery, which is a lightweight fetch wrapper that automatically handles request headers and response parsing in a manner similar to common libraries like axios. Deep dive into react-redux with a thunk as a middleware to make the API calls on-load that makes your Tagged with react, redux, javascript. g. useMutation, and api. There is 1 other project in the npm registry using redux-cache. mkbjr, 0tce, fi3xv, yrlro, c1uc, xcygho, nfz7, qgsv1, 3rd6, zufhsy,