CORS blocking POST request

I’m sorry, but our hosting only supports hosting websites, not APIs for external things. Any such requests will be blocked by this security system before it hits your actual website:

The “CORS script” you have appears to be Node.js code to run an Express web server with CORS headers. But please note that we only provide PHP hosting, so you cannot host any Node.js code with us to begin with.

Is the website on a purely static site (or at least does it not use any server side code that’s not PHP)? If so, you could work around this limitation by simply moving that website to the same domain on our hosting as your database script you are already hosting with us. As long as they are on the same (sub)domain, your AJAX requests will work.