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.
XML-RPC is a core WordPress feature that allows remote access to your site using APIs and apps. It’s required for:
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:
No registration. No spam. 100% free.
| 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 |
This tool is useful for:
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.