Grumpy Playground
Run integration tests against your backend. Verify error ingestion, deduplication, rescue patches, and crash handling.
Sandbox Environment
Errors sent from this playground automatically use your Sandbox Project. They won't trigger external webhooks or affect your live stats.
Provisioning...
Tests
Health Check
Checks /health endpoint
Error Ingestion
KEY REQUIREDSends a test error to the ingestion pipeline
Deduplication
KEY REQUIREDSends same error twice, expects dedup on second
Rescue Engine
KEY REQUIREDTriggers AI patch generation (needs AI configured)
Backend Crash Handler
Triggers /api/v1/test-crash endpoint
Interactive Rescue Simulation
Live demo: broken payment flow → Grumpy catches → generates patch → auto-fix
Console Output
Run a test to see output here...