### Getting started Applications communicate with Parallels RAS by sending HTTP or HTTPS requests. Parallels RAS answers with a JSON file in a response to every HTTP request. All HTTP requests that you will use to retrieve and manage Parallels RAS resources have the following base structure: `https://<API-host>/api/<URI>` The parameters in the above URL are: `<API-host>` is the IP address or FQDN of the server on which the RAS Web Administration Service is installed. `<URI>` is a path to a REST resource that you would like to work with.