How can I get my vcards per url?

How can I get my vcards per url?

Hi,

how can I get my vCards per Url?

I tried:

https://contacts.zoho.eu/carddav/MYEMAIL/default/contacts/

But I got only white page. Any idea?

I want make some like this:

https://rinzewind.org/blog-en/2018/how-to-sync-fastmails-carddav-to-use-with-mutt-abook.html

Thanks :)