An example of Bitly API use.

bitly_test.py

import requests
from urllib import urlencode

token = '**************************************************'
url_base = 'https://api-ssl.bitly.com/v3/'

url = 'http://www.repubblica.it'

parameters = [('access_token', token), ('longUrl', url)]
request = requests.get(url_base + 'shorten/', params = urlencode(parameters))

short_url = request.json()['data']['url']
hash_code = request.json()['data']['hash']

parameters = [('access_token', token), ('hash', hash_code)]
request = requests.get(url_base + 'info', params = urlencode(parameters))