@classmethod
def _get_vt_api_url(cls, api_type: str) ->str:
    """
        Return the VirusTotal API URL for the supplied type.

            :param api_type: The IoC type
        """
    if api_type not in cls._VT_API_TYPES:
        raise LookupError('Unknown api type "{}"'.format(api_type))
    return cls._VT_API.format(type=api_type)
