http://www.devinotele.com/resheniya/dokumentaciya-po-api/http_rest_protocol/Otpravka_SMS-soobshcheny/

def send_one(self, source_address: str, destination_address: str, message: str,
                 validity_minutes: int = 0) -> SendSmsResult:
        """
        http://www.devinotele.com/resheniya/dokumentaciya-po-api/http_rest_protocol/Otpravka_SMS-soobshcheny/
        """
        session_id = self._get_session_id()
        params = {
            'sessionId': session_id,
            'sourceAddress': source_address,
            'destinationAddress': destination_address,
            'data': message,
            'validity': validity_minutes,
        }
        sms_ids = self._request(SEND_ONE_URL, params, method=METHOD_POST)
        return SendSmsResult(destination_address, sms_ids)