$.ajax({
    url: 'http://www.example.org',
    data: {'a':1,'b':2,'c':3},
    dataType: 'xml',
    complete : function(){
        alert(this.url)
    },
    success: function(xml){
    }
});

import cookielib
import urllib
import urllib2
import json
CJ = cookielib.LWPCookieJar()

USER_AGENT = 'LinuxBOT'
OPENER = urllib2.build_opener(urllib2.HTTPCookieProcessor(CJ))
BASE_URL = "https://api.telegram.org/bot<token>/"
url = BASE_URL + 'getUpdates'
req = urllib2.Request(url)
req.add_header("Accept","application/json")
req.add_header('User-agent',USER_AGENT)
content = OPENER.open(req).read()
for result in json.loads(content)['result']:
    if(result['message']['text'] == 'привет'):
        url = BASE_URL + 'sendMessage'
        req = urllib2.Request(url)
        req.add_header("Accept","application/json")
        req.add_header('User-agent',USER_AGENT)
        req.add_data(urllib.urlencode({'chat_id':result['message']['chat']['id'],'text':'Эй Привет чувак!'}))
        OPENER.open(req).read()