9 February

WordPress REST API – Everything We Know So Far for Web Development

WordPress REST API - Everything We Know So Far for Website Development

The WordPress REST API has all the capabilities to change WordPress. Though it is not completely available, as a lot of it is under the hood, but its implications make a huge difference to the future of WordPress web development company during website development, both in terms of codebase and usage.  If you are unaware of this, you might be wondering what it is. So let’s dive deep into its concepts for better understanding and implementation.

What is the WordPress REST API?

It is basically an interface allowing developers to access WordPress from outside without installing it. It can be accessed using JavaScript, helping to build interactive websites. REST refers to the Representational State Transfer and API is known for Application Programming Interface.

What is an Application Programming Interface (API)?

An Application Programming Interface is a communication medium between a client and a server intended to ease the building of software.

In layman’s terms, an API is a set of code allowing one system to interact with another. Many of you are aware of Google’s Maps API when adding a Google map to your WordPress site. The CMS already has a range of APIs, for elements like plugins, and settings. These can be used by WordPress developers to interact with WordPress core and make things happen.

What is meant by REST API for WordPress CMS?

Putting REST and API combined means that the set of code designed makess it possible for other systems to interface with WordPress. It is built in a way ensuring these systems will get to know each other. It means that a third-party website can smoothly access your WordPress database, to fetch and add data. There are a number of implications and uses for this, though.

History of REST API in WordPress

This was released in December 2016, but it was available as a plugin. It was designed to support a range of applications based on WordPress to transform the CMS into an application platform.

The REST API expands the functionality of WordPress to different industry domains. While a CMS excels at running a complex website, an application platform is perfect to power web-based single-page applications. Usually, the content is refreshed when the user takes action, instead of loading new pages. Because it uses JavaScript rather than PHP, the things occur in the user’s web browser without sending requests to the server.

Implications of REST API for WordPress Users and Developers

If you’re a user or a WordPress developer working with WordPress CMS, the REST API has numerous implications.

For users, it comprise of:

  • Modification to the interface, comprising the Gutenberg editor.
  • Improvements to the WordPress mobile app.
  • Self-hosted admin screens comprising WordPress.com screens over time.

For WordPress developers, it comprise of:

  • The feature to build SPAs using the REST API, extracting data from WordPress but looking a bit different from WordPress.
  • The ability to integrate WordPress with diverse technologies and systems.
  • For PHP developers, a growing need to expand your skills to comprise JavaScript.
  • Desired changes including the need to build Gutenberg blocks rather than Meta boxes in page and post-editing screens.

From the above, it can be initialized that with REST API WordPress core will be written in JavaScript and not PHP. If you’re a WordPress developer, knowledge of JavaScript is a must.

Wrapping Up

The REST API of WordPress offers some great challenges but also remarkable opportunities for both WordPress developers and users. It’s the future of the CMS and is likely to radically change the way we develop with WordPress and the way we use it. For further enhancement, business enterprises can consult WordPress plugin development to ensure the website developed is feature-rich. The team will guide you with the best solutions in order to serve your business with the right strategy. This will be fruitful for business in the long-term.

Frequently Asked Questions


How do I create a REST API in WordPress?

There are 4 Steps  to  create a Rest API in WordPress

Step 1: Familiarize Yourself With the Key Concepts of REST API.

Step 2: Get to Know the Most Useful REST API Endpoints.

Step 3: Learn the Basics of REST API Authentication.

Step 4: Select Your First WordPress Post With the REST API.

How do I fix REST API in WordPress?

The first thing to do is to update your WordPress to the latest version if not already done. Then if the problem is still there check your PHP version and try to increase your Server Memory Limits settings.

Can we use API in WordPress?

In particular, It enables you to connect your WordPress website with external applications. This means you can develop a mobile app using practically any programming language, and use the WP REST API to fetch data from WordPress.

How do I integrate API into WordPress?

Here are the main steps we will follow to integrate an API with WordPress through a Plugin:

  • Get an API key for the API.
  • Create a Plugin for adding a widget to your WordPress site.
  • Customize your plugin with your API key and specific information you want to display in the widget.
Make the Best Move with WordPress REST API Integration