Advanced Custom Fields REST API Filter

Description

Advanced Custom Fields REST API Filter is a WordPress plugin that extends the REST API by:
✅ Adding all ACF fields to REST API responses.
✅ Enabling filtering by any ACF field dynamically via query parameters.

Features

• Automatically includes ACF fields in REST API responses.
• Allows filtering posts by any ACF field using query parameters.
• Supports multiple filters at once.
• Open-source and lightweight.

Installation

1. Download the plugin as a .zip file or clone the repository.
2. Upload the folder to wp-content/plugins/acf-rest-filter/.
3. Activate the plugin from the WordPress admin panel.

Usage

1. Get Posts with ACF Fields

Make a GET request to:

https://example.com/wp-json/wp/v2/work

This will return all posts with an acf object containing the ACF fields.

2. Filter by a Single ACF Field

https://example.com/wp-json/wp/v2/work?acf_filter[featured]=1

Filters posts where the ACF field featured is true (1).

3. Filter by Multiple ACF Fields

https://example.com/wp-json/wp/v2/work?acf_filter[category]=design&acf_filter[status]=active

Filters posts where category = design and status = active.

License

This plugin is open-source and licensed under the MIT License.

Author

Developed with ❤️ by Othmane N.