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Drupal’s Support for JSON:API

acretph_jessie
Jessie Allen Añosa
Technical Manager
August 8, 2025
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When it comes to building modern digital experiences, content needs to flow freely across different platforms. A single website is no longer enough. Businesses want their content to appear on mobile apps, smart devices, and other digital touchpoints without having to rewrite it each time. This is where APIs play a huge role, and Drupal makes it easier with its built-in JSON:API support.

What is JSON:API?

Before diving into Drupal, let’s quickly explain JSON:API.

JSON:API is a specification (or standard) for building APIs that return data in a structured, predictable format called JSON (JavaScript Object Notation). JSON is lightweight and widely used, making it a perfect choice for sharing content between systems.

With JSON:API, developers don’t need to build a custom API from scratch. It sets clear rules for how data should be requested and how responses should look. This makes it easier to connect different applications, regardless of the technology they are built with.

For example, if your Drupal site stores blog posts, a mobile app can fetch those posts through JSON:API without needing special code.

JSON:API in Drupal

Drupal officially added JSON:API to core in Drupal 8.7, which means you don’t need to install any extra modules to use it (though you can extend it if needed). By enabling it, every piece of content in your site—articles, pages, users, taxonomy terms—can be automatically exposed through an API endpoint.

Here’s why this is a big deal:

  • Out of the box: As soon as you turn it on, Drupal provides ready-made API endpoints. No need to spend weeks coding.
  • Consistent structure: The format follows the JSON:API specification, so developers instantly know how to work with it.
  • Powerful queries: You can filter, sort, and include related content in a single request. For instance, you can ask for a list of articles along with their authors and tags in one API call.

Why JSON:API Matters for Headless Drupal

One of Drupal’s biggest strengths is its ability to work as a headless CMS. In this setup, Drupal manages the content, while a separate frontend (like a React, Angular, or Vue.js app) handles how users see it.

JSON:API makes this possible by serving as the bridge between Drupal’s backend and any frontend application. Instead of developers having to figure out how to get content out of Drupal, JSON:API provides a standard way to fetch it.

Benefits for headless projects:

  • Faster development: Frontend teams can start building right away without waiting for backend developers to create custom APIs.
  • Flexibility: Content can be reused across different platforms, like a mobile app or kiosk, without duplication.
  • Future-ready: As new channels appear, JSON:API ensures your Drupal content is already portable.

Real-Life Use Cases

  • Mobile Apps: A news organization can manage all its articles in Drupal and deliver them to a mobile news app through JSON:API.
  • E-commerce: A store can keep its product catalog in Drupal and share it with both a website and a mobile shopping app.
  • IoT and Smart Devices: Drupal content can even be delivered to voice assistants, smart TVs, or digital displays, thanks to JSON:API.

Comparing JSON:API with Other Options

Drupal also supports other API approaches like REST and GraphQL. Here’s a simple comparison:

  • REST: Flexible, but often requires more custom setup.
  • GraphQL: Extremely powerful for specific queries, but needs extra setup and learning.
  • JSON:API: Standardized, built-in, and ready to use immediately.

For most projects, JSON:API strikes the right balance between ease of use and power.

Conclusion

Drupal’s support for JSON:API is a game-changer for anyone who wants to build modern, connected experiences. By exposing content in a clean, standardized way, Drupal makes it easy to integrate with apps, front-end frameworks, and future technologies. Whether you’re creating a headless website, a mobile app, or an omnichannel digital strategy, JSON:API ensures your content can go wherever your audience is.

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acretph_jessie
Jessie Allen Añosa
Technical Manager
"Kumusta!" I call myself Jessie! A Filipino nomad raised in the Philippines. With years of experience leading technical teams, I thrive at the intersection of technology, strategy, and people management. I specialize in guiding projects from concept to delivery, ensuring solutions are not only functional but scalable and user-focused. Trust me, I know things.

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