WordPress Version: 4.6
/**
* Retrieves the URL prefix for any API resource.
*
* @since 4.4.0
*
* @return string Prefix.
*/
function rest_get_url_prefix()
{
/**
* Filters the REST URL prefix.
*
* @since 4.4.0
*
* @param string $prefix URL prefix. Default 'wp-json'.
*/
return apply_filters('rest_url_prefix', 'wp-json');
}