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Heartbeat 9.3.2, published by Elastic, is a lightweight shipper whose sole purpose is to verify that remote services are reachable and responsive. Operating as one of the 18 maintained releases in the Beats family, the program sends scheduled PING probes over ICMP, raw TCP sockets, or higher-level protocols such as HTTP, TLS, and gRPC, then reports latency, status codes, and certificate expiry back to Elasticsearch or Logstash for centralized dashboarding. Typical use cases include continuous uptime monitoring of web APIs, databases, load balancers, DNS servers, and Docker containers, allowing DevOps teams to trigger alerts the moment a route times out or a certificate approaches renewal. Configuration is declarative: administrators list endpoints, desired intervals, and optional payload or headers in a YAML file, after which Heartbeat runs as a portable Windows service without further dependencies. Because the agent is elastic-stack-native, its data can be correlated with logs and metrics to pinpoint whether an outage stems from network loss, slow TLS handshake, or application-layer failure. The utility is especially popular for synthetic user-experience monitoring, multi-region SLA validation, and pre-production smoke testing, where low-overhead, agent-based polling is preferred over heavier appliances. Heartbeat is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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