Nagios is a comprehensive enterprise-class open source monitoring service. You can use our Metricly Event Handler to send your Nagios events to CloudWisdom. Sending Nagios Events to CloudWisdom Hover on your account name in the bottom left-hand corner and click API Keys from the drop-down menu. Copy the API Key from the Custom integration in the table. Install the Metricly Event Handler. Download the Netuitive Event Handler to the /bindirectory.