A Complete Guide to xmlrpc

mouakter13 · Post by **mouakter13** » Thu Feb 20, 2025 4:27 am

The WordPress XML-RPC specification was developed to standardize communication between different systems, meaning that applications outside of WordPress (such as other blogging platforms and desktop clients) could interact with WordPress.

This specification has been a part of WordPress since its inception and has done a lot of useful work. Without it, WordPress would have been in its own silo, separated from the rest of the Internet.

However, xmlrpc.php has its drawbacks. It can introduce vulnerabilities into your WordPress site and has been superseded by the WordPress REST API , which does a much better job of opening up WordPress to other czech republic phone number data applications.

In this post, we'll explain what xmlrpc.php is, why you should

Ready? Let's dive in!

What is xmlrpc.php?
XML-RPC is a specification that enables communication between WordPress and other systems. It did so by standardizing those communications, using HTTP as the transport mechanism and XML as the encoding mechanism.

XML-RPC predates WordPress: it was present in the b2 blogging software, which was forked to create WordPress in 2003. The system code is stored in a file called xmlrpc.php , in the root directory of the site. And it's still there, although XML-RPC is very outdated.