[Answered ]-How to use a web API with Django

You can do like this

import urllib2
url = 'http://samples.openweathermap.org/data/2.5/weather?zip={0},us&appid=0b7f3cd153bc12d3accb83f9682bccbb'.format(zipcode) # if zipcode is defined
response = urllib2.urlopen(url)
response.read()

By Using API you mean sending GET, POST, PUT etc. requests to some server. For that you can use python’s requests module. Like this:

### Installation
pip install requests

### Usage
import requests
url = 'http://samples.openweathermap.org/data/2.5/weather?zip={0},us&appid=0b7f3cd153bc12d3accb83f9682bccbb'.format(zipcode)
req = requests.get(url)

### if json response is coming
response = req.json()

### else
response = req.content

More information at Python Requests Documentation