rest_get_url_prefix()
Retrieves the URL prefix for any API resource.
Return
(string) Prefix.
Source
File: wp-includes/rest-api.php
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' );
}  Changelog
| Version | Description | 
|---|---|
| 4.4.0 | Introduced. | 
    © 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/functions/rest_get_url_prefix