400 Error – Initial Setup

Hello,

I apologize for the issue you are facing with the Rank Math plugin and the 400 error. It seems like there could be several reasons for this error. Here are some steps you can take to troubleshoot and potentially resolve the issue:

1. Check Website Status

Make sure your website is returning a 200 status code. You can check the status of your website using this tool: Check Website Status. Enter your URL and click Check Status.

2. API Timeout

If your website takes more than 30 seconds to load, it may result in a timeout error. Ensure that your site is loading quickly.

3. API Requests Blocked by Firewall

Even if you have removed geo-blocking, ensure that your server’s firewall is not blocking our API requests. You may need to whitelist the following IP addresses:

46.30.212.200
46.30.212.201
46.30.212.202
46.30.212.203

You can do this in your firewall settings or ask your web hosting provider for assistance.

4. Locally Hosted Website

If your site is hosted locally, the SEO Analyzer module will not work and will return an API error. Ensure that your site is live and accessible from external sources.

If you continue to experience issues after trying these steps, please reply to this ticket with any additional details or errors you encounter, and a human agent from our support team will assist you further.

Sources:
Why Am I Getting "API Error: HTTP 400" Error » Rank Math
Why Am I Getting "API Error: HTTP 400" Error » Rank Math
Why Am I Getting "API Error: HTTP 400" Error » Rank Math

Hello,

Your site is getting a Connection timed out error in https://httpstatus.io/.

Please note that the SEO Analyzer tool only works for websites that return a 200 OK status.

You can get in touch with your web host to fix this issue on your site.

Looking forward to helping you.

Hello,

Since your site is publicly accessible and self-hosted, there’s no issue with the type of installation. The main requirement is that the site must return a valid 200OK status and allow external API requests on port 443 (HTTPS). No additional ports are needed.

Please review your server or firewall configuration to ensure nothing is blocking outgoing or incoming requests on HTTPS. Once your site responds with 200 OK, the SEO Analyzer and plugin scan should work correctly.

Hope that helps.