Simple Python 3 script to pull emails related to a domain from hunter.io and parse the data

hunter.py

import requests
import sys
if len(sys.argv) is 3:
  domain = sys.argv[1]
  api_key = sys.argv[2]
  if domain is not None:
    url = "https://hunter.io/v2/domain-search?limit=10000&offset=0&domain="\
    +domain+"&api_key="+api_key+"&format=json"
    hunterJsonData = requests.get(url)
    for email in hunterJsonData.json()['data']['emails']:
      print(email['value'])
else:
  print("Missing some values. Correct usage is 'python DOMAIN APIKEY'")