WP-API modify post response fields

kli-wp-api-modify-post-response-fields.php

<?php
/**
 * WP-API modify post response fields
 * 
 */

/**
 * Posts per page
 */
function kli_wp_api_query_post_per_page( $query ){
    if ( defined( 'JSON_REQUEST' ) && TRUE == JSON_REQUEST ){
            $query->set( 'posts_per_page', -1);
    }
}
add_action( 'pre_get_posts', 'kli_wp_api_query_post_per_page' );



/**
 * Modify Post Response - Remove Attachments
 * @param  object $data   
 * @return object
 */
function kli_wp_api_json_prepare_post( $data ){
    /**
     * Remove featured_image field from response
     *
     */
    remove_filter( 'json_prepare_post', array( $wp_json_media, 'add_thumbnail_data' ), 10 , 3);

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



/**
 * Prepare post fields - Remove some fields
 * @param  object $data   
 * @return object
 */
function kli_wp_api_prepare_post( $data ){

    // var_dump($data);
    // exit;

    // Remove fields
    // !!todo - check core feature - last checked jan2015
    $fields = explode(',', 'status,author,guid,parent,date,format,'
            .'_links,'
            .'comment_status,ping_status,sticky,date_gmt,featured_image');

    // var_dump($fields);
    // var_dump(each($fields));
    // exit;
    
    foreach ($fields as $value) {
        if ( isset($data[$value]) ) {
            unset($data[$value]);
        }
    }

    return $data;
}
add_action( 'json_prepare_post', 'kli_wp_api_prepare_post', 100);


/**
 * Prepare post fields - Remove attachments fields
 * @param  object $data   
 * @return object
 */
function kli_wp_api_prepare_attachment( $data ){
    // Remove fields
    // @TODO: check core feature - updated jan2015
    $fields = explode(',', 'type,menu_order,'
            .'_links,title,link,'
            .'content,modified,slug,modified_gmt,source,is_image,');
    
    // attachment_meta fields
    $attachment_meta_fields = explode(',', 'image_meta,'
                .'width,height,file'
                );

    if (isset($fields) && count($fields)) {
        foreach ($fields as $value) {
            if ( isset($data[$value]) ) {
                unset($data[$value]);
            }
        }
    }

    if (isset($attachment_meta_fields) && count($attachment_meta_fields) && isset($data['attachment_meta'])) {
        foreach ($attachment_meta_fields as $value) {
            if ( isset($data['attachment_meta'][$value]) ) {
                unset($data['attachment_meta'][$value]);
            }
        }
    }

    return $data;
}
add_action( 'json_prepare_attachment', 'kli_wp_api_prepare_attachment', 100);

Perfect, but have a one problem.

API alway return meta data (links, self, author, coollection, replies and version-history).
Can i filter this?

API always returns meta data (links, self, author, collection, replies and version-history).
Can i filter this?

Need to do this as well.

i ve use this but nothing seems working.
i use the code but when i view page by wp-json/wp/v2/posts it showing them all. Is there anything i missing still?