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How can I create a custom post type with specific REST API endpoints in WordPress?

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How can I create a custom post type with specific REST API endpoints in WordPress?

Asked on Jan 25, 2026

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Creating a custom post type in WordPress with specific REST API endpoints involves registering the post type and configuring its REST API settings. This process is done through your theme's `functions.php` file or a custom plugin.

<!-- BEGIN COPY / PASTE -->
    function my_custom_post_type() {
        $args = array(
            'label' => 'Books',
            'public' => true,
            'show_in_rest' => true, // Enables REST API support
            'rest_base' => 'books', // Custom REST API base endpoint
            'supports' => array('title', 'editor', 'thumbnail'),
        );
        register_post_type('book', $args);
    }
    add_action('init', 'my_custom_post_type');
    <!-- END COPY / PASTE -->

Additional Comment:

The 'show_in_rest' parameter must be set to true to enable REST API support for the custom post type.
The 'rest_base' parameter allows you to define a custom endpoint for your post type in the REST API.
Ensure your theme or plugin is active to register the custom post type properly.
Use the REST API endpoint "/wp-json/wp/v2/books" to interact with the custom post type.

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How can I create a custom post type with specific REST API endpoints in WordPress?

Asked on Jan 25, 2026

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