getting a error 403 server not response.

Hello @alsakb,

Thank you for contacting support.

It seems that you are talking about the Instant Indexing plugin to submit URLs to Google and in that case, we would recommend following the steps here to correct the issue: https://rankmath.com/blog/google-indexing-api/#num-6-2-403-permission-denied-failed-to-verify-the-url-ownership

Hope this helps solve your issues.

Don’t hesitate to get in touch if you have any other questions.