renanivo

Adds some Multisite-specific functions to WordPress’ XML-RPC interface (http://yourdomain.com/xmlrpc.php).
Using this plugin, you can create a blog, update the archived status and get a blog ID using a remote software (another server, a desktop software, a mobile software…)
The functions enabled by this plugin are:
<ul>
<li>Create Blog (ms.CreateBlog)</li>
<li>Get Blog Id (ms.GetBlogId)</li>
<li>Update Archived (ms.UpdateArchived)</li>
</ul>
refer to the <a href="http://wiki.github.com/renanivo/WP-Multisite-XML-RPC/" rel="nofollow ugc">wiki</a> for further documentation

Multisite XML-RPC

Adds some Multisite-specific functions to WordPress' XML-RPC interface.

Pascal CESCATO

Stop XML-RPC Attacks protects your WordPress site from XML-RPC brute force attacks, DDoS attempts, and reconnaissance probes while maintaining compatibility with essential services like Jetpack and WooCommerce.
Features:
<ul>
<li>Three security modes: Full Disable, Guest Disable, or Selective Blocking</li>
<li>Blocks dangerous methods: system.multicall, pingback.ping, and more</li>
<li>Compatible with Jetpack and WooCommerce</li>
<li>Optional user enumeration blocking</li>
<li>Attack logging for monitoring</li>
<li>Zero configuration required – works out of the box</li>
<li>Clean, intuitive admin interface</li>
</ul>

Stop XML-RPC Attacks

Blocks dangerous XML-RPC methods while preserving Jetpack, WooCommerce, and mobile apps compatibility.

Multisite XML-RPC vs Stop XML-RPC Attacks