[BUG] Basic Auth

[wm-ek]

Basic auth requires both username and password.

There are services, that will have a token as username and that's it.

Due to the validation, we can not authenticate with a service which implemented it that way

Authentication to the API is performed via HTTP Basic Auth. Provide your API key as the basic auth username value. You do not need to provide a password. This is done for every request, not just once.

It would be great to make password optional.

thank you