WP-API remove featured_image field

kli-wp-api-remove-featured-image-field.php

<?php
/**
 * Use with JSON_API_VERSION <= 1.1.1
 * Note: Include the action in your functions.php
 */
 
 
/**
 * Remove featured_image field from response
 * @param  object $data   
 * @return object
 */
function kli_wp_api_remove_field_thumbnail_data( $data ){

    global $wp_json_media;

    remove_filter( 'json_prepare_post', array( $wp_json_media, 'add_thumbnail_data' ), 10 , 3);

    return $data;
}
add_action( 'json_prepare_post', 'kli_wp_api_remove_field_thumbnail_data', 5);