RestClient - Titanium HttpClient with API key and callback

RestClient.js

function RestClient(apiKey){
        
        this.apiKey = apiKey;
        
        this.get = function(url,callback){
                
                var request = Ti.Network.createHTTPClient({
                        timeout: 20000
                });             
        
                request.open('GET',url,false);
                
                request.setRequestHeader('X-API-KEY',this.apiKey);
                
                request.onload = function(){    
                        callback(JSON.parse(this.responseText));
                };
                
                request.onerror = function(e){
                        callback(e);    
                }
                
                request.send(); 
        }
        
        this.post = function(url,data,callback){
                
                var request = Ti.Network.createHTTPClient({
                        timeout: 20000
                });             
        
                request.open('POST',url,false);
                
                request.setRequestHeader('X-API-KEY',this.apiKey);
                
                request.onload = function(){    
                        callback(JSON.parse(this.responseText));
                };
                
                request.onerror = function(e){
                        callback(e);    
                }
                
                request.send(data);     
        }
                
        return this;
}

module.exports = RestClient;