Introduction
Last9 is an observability platform for logs, metrics, and traces. Built on OpenTelemetry and Prometheus with high-cardinality storage, alerting, and SLOs.
New to Last9? Read What is Last9? for a product overview, or jump to the Quick Start Guide to send your first telemetry data. This documentation covers ingestion via OpenTelemetry and Prometheus, the Control Plane, alerting and SLOs, log and trace exploration, dashboards, and the Last9 MCP server for AI agents.
Getting Started
Understand what Last9 is and how to quickly start sending data
Control Plane
Manage your telemetry data, its configurations, and its lifecycle
Discover
Auto-discover and monitor services, background jobs, infra and more with OpenTelemetry
Logs
Explore your logs data, its details, and related telemetry
Traces
Explore your trace spans, its dependencies and timeline charts, and span details
Real User Monitoring
Monitor your web application's performance from your users' perspective
Alerting
Set up alerts, pattern matching, receive notifications, an IaC tool for alerting
Instrumentation
Send data via OpenTelemetry, Prometheus, AWS Cloudwatch, and more
SLOs
Monitor and manage your service reliability with SLOs and SLIs
Tutorials
Common how-tos for Prometheus, Kubernetes, VictoriaMetrics, etc.
FAQs
Frequently asked questions about Last9 — what, why, how