How can i add my https url with port

Hi, i want to add my website to forestadmin.

my website url is

but my api is running at

but im getting this error

The url must be localhost (http://localhost[:port]) or a valid HTTPS address ( for security purpose

how can i do this ?

When do you have this error ?
What stack do you use ?
To install forestadmin you should have access to your source code. If you don’t have the source code or If you want to be in production instantly you can use the “instant setup”.