Capture, group, and fix errors in your Express application. Set up in minutes with automatic exception capture, smart grouping, and instant Slack alerts.
Install the SDK, add your API key, and errors flow into your dashboard automatically.
Express error middleware
Automatic request context
Async route error capture
Works with any Express version
Smart error grouping — thousands of events become one actionable issue
Slack & email alerts with progressive throttling
AI-native MCP server — let Claude Code and Cursor fix bugs directly
Set up error tracking in under 2 minutes. No credit card required.