async def get_daily_helper(session: Optional[aiohttp.ClientSession] = None) -> DailyRESTHelper:
    """Get a Daily REST helper with the configured API key."""
    if session is None:
        session = aiohttp.ClientSession()

    return DailyRESTHelper(
        daily_api_key=os.getenv("DAILY_API_KEY", ""),
        daily_api_url=os.getenv("DAILY_API_URL", "https://api.daily.co/v1"),
        aiohttp_session=session,
    )
Get a Daily REST helper with the configured API key.
examples/phone-chatbot/daily-pstn-dial-in/utils/daily_helpers.py