Add a Metric Point to a Metric

        :param int metric_id: Metric ID
        :param int value: Value to plot on the metric graph
        :param str timestamp: Unix timestamp of the point was measured
        :return: Created metric point data (:class:`dict`)

        .. seealso:: https://docs.cachethq.io/reference#post-metric-points

def create(self, metric_id, value, timestamp=None):
        """Add a Metric Point to a Metric

        :param int metric_id: Metric ID
        :param int value: Value to plot on the metric graph
        :param str timestamp: Unix timestamp of the point was measured
        :return: Created metric point data (:class:`dict`)

        .. seealso:: https://docs.cachethq.io/reference#post-metric-points
        """
        data = ApiParams()
        data['value'] = value
        data['timestamp'] = timestamp
        return self._post('metrics/%s/points' % metric_id, data=data)['data']