def api_call(self, method, **params):
        """
        Call Telegram API.

        See https://core.telegram.org/bots/api for reference.

        :param str method: Telegram API method
        :param params: Arguments for the method call
        """
        coro = self._api_call(method, **params)
        # Explicitly ensure that API call is executed
        return asyncio.ensure_future(coro)
Call Telegram API.

        See https://core.telegram.org/bots/api for reference.

        :param str method: Telegram API method
        :param params: Arguments for the method call