@classmethod
def endpoint(cls):
    """Return the :class:`sandman.model.Model`'s endpoint.

        :rtype: string

        """
    endpoint = ''
    if cls.__endpoint__ is not None:
        return cls.__endpoint__
    elif cls.__from_class__ is not None:
        endpoint = cls.__from_class__.__name__.lower()
    else:
        endpoint = cls.__tablename__.lower()
    if not endpoint.endswith('s'):
        endpoint += 's'
    return endpoint
