API Error: Invalid server response.

Hello,

Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.

I have moved your question to your own thread so it is easier for us to help you.

Please ensure that your plugin is connected to your account at WordPress Dashboard > Rank Math > Dashboard > Help.

Then, also ensure your web host isn’t blacklisting our IP:
Rank Math’s IP: 104.20.193.153

Finally, please head over to WordPress Dashboard > Rank Math > Status & Tools > Tools > Clear SEO Analysis data.

Hit the button once.
https://i.rankmath.com/PtpZfv

Looking forward to helping you. Thank you.

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Hello,

Sorry, I was told we changed our IP so you should try this:

Please make sure to whitelist the IP 134.90.148.98 and the user-agent RankMathChecker/2.0.0; https://rankmath.com.

If you are not sure, please ask your web hosting provider to do it for you.

Once done, you can run the SEO Analysis once again.

Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.

Hello,

Could you let us know if you were able to fix it or if you contacted your hosting provider to add those settings to your host?

Looking forward to help you.