Example connecting to Tenable.io w/o pyTenable or the Python SDK

example_python_tio_session.py

import requests
from requests.packages.urllib3.util.retry import Retry

# Sets the retry adaptor with the ability to properly backoff if we get 429s
retries = Retry(
    total=3,
    status_forcelist={429, 501, 502, 503, 504}, 
    backoff_factor=1, 
    respect_retry_after_header=True
)
adapter = requests.adapters.HTTPAdapter(max_retries=retries)

# initiate the session and then attach the Retry adaptor.
session = requests.Session()
session.mount('https://', adapter)

# add the API keys to the session.
session.headers.update({
    'X-APIKeys': 'accessKey={}; secretKey={};'.format(
        access_key, secret_key)
})

# now make calls using session
session.get('https://cloud.tenable.com/scans')