Profile: parisK

add_filter( 'register_post_type_args', 'my_post_type_args', 10, 2 );
  
function my_post_type_args( $args, $post_type ) {
  
    if ( 'couples' === $post_type ) {
        $args['show_in_rest'] = true;
  
        // Optionally customize the rest_base or rest_controller_class
        $args['rest_base']             = 'couples';
        $args['rest_controller_class'] = 'WP_REST_Posts_Controller';
    }
  
    return $args;
}