Free Online XML-RPC Validator for WordPress Websites

Test your WordPress site's XML-RPC endpoint in seconds.

Is your WordPress site’s xmlrpc.php working properly? Use our free online XML-RPC Validator tool to instantly test and verify your XML-RPC response. Whether you’re debugging Jetpack, remote publishing, or pingbacks, this tool provides instant diagnostics and suggestions to help you fix common issues.

What is XML-RPC in WordPress?

XML-RPC is a core WordPress feature that allows remote access to your site using APIs and apps. It’s required for:

Jetpack & other Automattic services

Mobile apps (iOS & Android)

Remote publishing tools

Pingbacks & trackbacks

Third-party tools like Microsoft Word or Open Live Writer

Why Use an XML-RPC Validator?

Why Use an XML-RPC Validator?

Many web hosts, firewalls, and security plugins block access to xmlrpc.php for security reasons — even when it’s needed.

Our validator helps you:

  • ✅ Test if XML-RPC is enabled and accessible
  • 🛑 Identify security blocks (403 Forbidden, 405 Method Not Allowed, etc.)
  • 🧠 Get human-friendly explanations and solutions
  • ⚡ Quickly debug Jetpack, mobile publishing, or API errors

No registration. No spam. 100% free.

Common XML-RPC Issues We Detect
Problem Meaning
403 Forbidden XML-RPC is blocked by a firewall or security plugin
404 Not Found File is missing, or wrong URL entered
405 Method Not Allowed Server doesn’t allow POST requests to XML-RPC
Timeout or No Response Hosting or DNS issues, or plugin conflict
Invalid Response Theme/plugin conflict, malformed output, or HTML instead of XML
How to Use This Tool
  • Enter the full URL to your xmlrpc.php file (e.g. https://yourdomain.com/xmlrpc.php)
  • Click “Test XML-RPC”
  • Get an instant diagnostic response
  • You’ll see whether XML-RPC is functioning and what to fix if it’s not.
Who Should Use This?

This tool is useful for:

  • WordPress developers
  • Site owners and bloggers
  • Support teams
  • Security auditors
  • Plugin developers
Is XML-RPC Safe?


While XML-RPC can be abused for brute-force attacks or DDoS, completely disabling it may break legitimate services. The best approach is securely managing XML-RPC access — whitelist trusted apps, monitor traffic, or use plugins to restrict access.