To authenticate a user to Url Shorter, you will need to provide an API key along with each request to the Url Shorter API, as a GET or POST parameter. (e.g ?key=API_KEY_HERE)
The API will reply in plain_text or json. The response type can be set by providing the response_type argument to the request. If not provided, the response type will default to plain_text.
Example: GET https://url.itunix.eu/api/v2/action/shorten?key=API_KEY_HERE&url=https://google.com&is_secret=false
API is activated after writing an email to the administrator , just simple "Hi , I would like access to the API", please enter your username in the mail.