cname mapping does not work

I have successfully configured my domain’s CNAME dns record to point to I have successfully checked here that my domain ( has a cname entry for However, despite this, if I make some curl request to (with proper headers) I get a 404 http error. I also have properly configured the app’s settings as you can see from the attached screenshot. What am I doing wrong?

Thank you

Hello Simone,

to call api you have to use url, so you have to send request to