is available to all machines that are able to access ZAP's proxies that expose the API. 
To access the API Web UI point your browser to the host and port that ZAP is listening on.<br/>

<h3>Secure Only</h3>

If enabled then the API will only be available via HTTPS. Otherwise it will be available via both HTTP and HTTPS.<br/>

<h3><a name="filexferenabled">File Transfer Enabled</a></h3>

If enabled then files can be transfered to and from ZAP via the API.
This option is only available if the API key is <i>no