Documentation
Connect your application, understand your data, and find the reference you need.
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Getting started
From an invitation to your first event, in about ten minutes.
Guides
Investigate a signup drop and reconcile the definitions behind your analytics counts.
SDKs and recipes
SDKs
The four packages, the event envelope they all post, and the one-line script tag.
Recipes
Working setups for Next.js, Vite, plain HTML, Express and Hono.
Modules
Analytics
Visitors, paths, retention, replay, heatmaps and the reports built on the events table.
Revenue
Attribution, ad spend, billing adapters and the crawlers that read you.
People
Profiles, segments, campaigns, surveys, feedback and lifecycle journeys.
Errors and metrics
Errors, traces, logs, checks, SLOs, on-call and the infrastructure they run on.
All 20 pages
- Discord
- WhatsApp Business
- Readable stack traces
- Release health and adoption
- Error ownership and GitHub workflow
- Issue grouping and reversible merges
- OpenTelemetry traces
- Structured application logs
- CPU and memory profiling
- Database performance
- Browser checks
- Browser performance diagnostics
- Cron and background jobs
- Service objectives and error budgets
- On-call routing and incident coordination
- Connected infrastructure
- Load tests and release budgets
Flags and evaluations
Rollouts, experiments, evaluation gates and production AI quality.
Data and integrations
Destinations, the signed connector, telemetry budgets and identity provisioning.
API, MCP and skills
Management API
Token scopes and every endpoint the console, the MCP server and your scripts share.