WordPress ACF to API with Filters

// EDIT YOUR POST TYPE
// Add it to functions.php one per post type

add_filter( 'rest_YOURPOSTTYPE_query', function( $args ) {
    $args['meta_query'][] = array();
    $ignore = array('status','per_page', 'page', 'search','order','orderby', 'slug', 'exclude', 'lang', 'offset', 'chapter','guid','type');
    foreach ( $_GET as $key => $value ) {
      if (!in_array($key, $ignore)) {
         $args['meta_query'][] = array(
           'key' => $key,
         'value' => esc_sql($value),
      );
    }
  }
  return $args;
});