Get shorten url via bitly v4 API with Python

bitlyapi.py

#
# Get access_token from: https://app.bitly.com/settings/api/
# Then, just call this function with your long url and access token
# 
# Ref
# - https://dev.bitly.com/api-reference/#createBitlink
# - https://dev.bitly.com/docs/getting-started/introduction/

import requests

def get_shorten_url(long_url, access_token):
    url = 'https://api-ssl.bitly.com/v4/shorten'

    headers = {"Authorization": f"Bearer {access_token}",
               "Content-Type": "application/json"
               }
    body = {'long_url':long_url}
    res = requests.post(url, headers=headers, json=body).json()
    return res["link"] # shorten url