global class IpdReqDev {
    String url;
    String data;
    String token{get;set;}
    Public String mytext {get;set;}
    public IpdReqDev() {
            url = 'some landing api url/index.php?action=api';
    }


    public void authenticate(){
           param = '{"func":"auth","username":"myusername","pass":"mypassword"};
           somejson_contains_token = establish_connection();
           //parse json
           return token;
    }

    public String establish_connection(){
            Http h = new Http();
            // Instantiate a new HTTP request, specify the method (GET) as well as the endpoint
            HttpRequest req = new HttpRequest();
            //String url;
            url +="&"+data
            req.setEndpoint(url);
            req.setMethod('GET');
            // Send the request, and return a response
            HttpResponse res = h.send(req);
            System.debug(url);
            return res.getBody();
            //System.debug(res.getBody());
            //System.debug('------------------------------------------------------');
    }
}