az cdn --help Manage Azure Content Delivery Networks (CDNs).

addaxnasom

Group
    az cdn : Manage Azure Content Delivery Networks (CDNs).

Subgroups:
    custom-domain : Manage Azure CDN Custom Domains to provide custom host names for endpoints.
    edge-node     : View all available CDN edge nodes.
    endpoint      : Manage CDN endpoints.
    origin        : List or show existing origins related to CDN endpoints.
    profile       : Manage CDN profiles to define an edge network.

Commands:
    name-exists   : Check the availability of a resource name.
    usage         : Check the quota and actual usage of the CDN profiles under the given
                    subscription.