shortening_urls_with_google.py

import requests
import json

api_url = 'https://www.googleapis.com/urlshortener/v1/url'
api_key = '' # find here how to get yours https://developers.google.com/url-shortener/v1/getting_started#APIKey
url = '{0}?key={1}'.format(api_url, api_key)

headers = {'content-type': 'application/json'}
params = json.dumps({'longUrl': 'http://www.google.com'})

response = requests.post(url, data=params, headers=headers)
if response.ok:
    print (response.json()['id'])
else:
    print (response.status_code, response.reason)