WordPress API
Retrieve All needed Posts Related information with the _embed Parameter

Lately at Kickersoft, we have been asked by a client to migrate all his WordPress content (over 6000 blog articles) to a custom CMS. Handling such a transfer can be a challenge, in especial when you have a diversity of builders used to create the content of such articles. This project as been the opportunity to take a little dive on WordPress REST API. Today we offer you to talk about the “_embed” parameter.

The WordPress REST API provides an efficient and flexible way to interact with your WordPress site programmatically. One of the useful features of this API is the _embed parameter, which allows developers to fetch embedded resources along with the primary request, reducing the need for additional HTTP requests.

Prerequisites:

  • A WordPress site with the REST API enabled.
  • Basic knowledge of RESTful APIs and JSON.
  • Access to a tool for making HTTP requests (e.g., cURL, Postman).

Step 1: Understanding the _embed Parameter

The _embed parameter in the WordPress REST API can be appended to the query to automatically include linked resources in the API response. This includes data from related endpoints such as the post’s author, featured media, and associated terms like categories and tags.

Step 2: Making a Request

To use the _embed parameter, you need to make a GET request to the posts endpoint of your WordPress site. Here is the format:

				
					GET /wp-json/wp/v2/posts?_embed
				
			

Example using cURL:

				
					curl "https://yourwordpresssite.com/wp-json/wp/v2/posts?_embed"
				
			

Step 3: Examining the Response

The response returned by the server will be a JSON object that includes the standard post data as well as embedded objects. For instance, the author data can be accessed under the _embedded key in the JSON response.

Step 4: Handling the Data

With the data returned, you can access various embedded resources:

  • Author details: Found under _embedded.author[0].name
  • Featured image: Available at _embedded['wp:featuredmedia'][0].source_url (ensure the post has a featured image).
  • Categories and tags: Located at _embedded['wp:term'][0] for categories and _embedded['wp:term'][1] for tags.

Step 5: Using the Data in Your Application

You can now use this data in your application to create richer post displays without needing to send additional requests to retrieve author info, media, or categories/tags separately.

Conclusion

Utilizing the _embed parameter with the WordPress REST API is a powerful way to enhance the efficiency of your data retrieval processes for building applications. By reducing the number of requests and leveraging the full capabilities of the API, you can improve performance and the user experience of your applications.

At Kickersoft we help companies to empower their apps and create user friendly solutions. Let’s talk about your project in the contact section