How to Use WordPress REST API

How to Use WordPress REST API

An Introduction to the WordPress REST API

The WordPress REST API is a powerful tool that allows you to interact with your WordPress website programmatically. It enables you to access and manipulate your website’s data, such as posts, pages, custom post types, and more, using standard HTTP requests. This makes it a versatile solution for developers looking to create custom applications, mobile apps, or integrate WordPress with other platforms.

It provides a structured and organized way to interact with WordPress, offering a wide range of functionalities and possibilities. Whether you’re a seasoned developer or a beginner, this guide will help you understand and utilize the WordPress REST API effectively.

Understanding What the WordPress REST API Can Do

Before diving into the practical steps of using the WordPress REST API, it’s essential to understand the scope of its capabilities. The API allows you to perform various tasks, including:

  • Retrieve Content: You can use the API to fetch posts, pages, and other content types from your WordPress site.
  • Create and Edit Content: It enables you to create, update, or delete posts and pages programmatically.
  • User Management: You can manage user accounts, roles, and permissions through the API.
  • Custom Post Types: Extend the API to handle custom post types, which is particularly useful for unique content types on your website.
  • Taxonomies: The API supports taxonomies like categories and tags.
  • Media Management: You can upload, retrieve, and manage media files, such as images and videos.
  • Comments: Interact with comments on your site, including moderating and replying to them.
  • Authentication: Implement secure authentication mechanisms to protect your API endpoints.

Understanding these capabilities will help you determine how this can best serve your specific needs.

How to Use WordPress as a Back End (In 3 Steps)

Now that you’re acquainted with the potential of the WordPress REST API, let’s delve into how to use it effectively as the back end for your applications or websites. We’ll break down the process into three manageable steps.

Step 1: Load Content Into WordPress and Test the REST API

The first step in using WordPress as a back end is to load your content into the platform. You can either start with existing content on your WordPress site or create new content.

Link: Learn more about content creation and loading in this detailed guide


Once your content is in place, you’ll need to enable and test the REST API to ensure it’s functioning correctly. The REST API is enabled by default on most WordPress installations, but you can verify this by accessing the following URL: Replace “” with your site’s domain.

Step 2: Set Up Your App or Website’s Front End Using React

To create a dynamic and responsive front end for your application or website, React is a popular choice among developers. Here’s a step-by-step guide on how to set up your front end with React:

  • Install React: Begin by installing React on your development machine using create-react-app or your preferred method.
  • Create Components: Design and create components to display your WordPress content. You can use Axios or the fetch API to make requests to your WordPress site and retrieve data through the REST API.
  • Display Content: Populate your React components with the content you fetch from your WordPress site.

Step 3: Connect Your WordPress Back End to Your Front End

The final step is connecting the back end (WordPress) to the front end (React) of your application or website. To do this, you need to make API requests from your React application to your WordPress site.

  • API Requests: Use Axios or the fetch API to make HTTP requests to the WordPress REST API endpoints. You can retrieve data and even update content from your React components.
  • Authentication: Implement authentication mechanisms to ensure that only authorized users can access or modify certain data. This is crucial for protecting your site’s content and user information.
  • Testing: Thoroughly test your application to ensure it functions as expected. Check for any issues related to data retrieval, authentication, and user experience.


In this guide, we’ve explored the power of the WordPress REST API and how to effectively use it as the back end for your applications or websites. Understanding its capabilities and following the three steps outlined here will help you harness the full potential of this versatile tool.

By leveraging the WordPress REST API and integrating it with a front-end framework like React, you can create dynamic and feature-rich websites and applications that provide a seamless user experience. Whether you’re building a blog, an e-commerce site, or a custom web application, the WordPress REST API is a valuable resource in your development toolkit.

Start experimenting, building, and exploring the endless possibilities that the WordPress REST API offers. The sky’s the limit when it comes to creating unique and interactive web solutions with WordPress at the core.