[[monitoring-logstash]] == Monitoring Logstash with APIs When you run Logstash, it automatically captures runtime metrics that you can use to monitor the health and performance of your Logstash deployment. The metrics collected by Logstash include: * Logstash node info, like pipeline settings, OS info, and JVM info. * Plugin info, including a list of installed plugins. * Node stats, like JVM stats, process stats, event-related stats, and pipeline runtime stats. * Hot threads. You can use <> provided by Logstash to retrieve these metrics. These APIs are available by default without requiring any extra configuration. Alternatively, you can <> to send data to a monitoring cluster. NOTE: Monitoring is a feature under the Basic License and is therefore *free to use*. include::monitoring-apis.asciidoc[]