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Public demo modeRead-only mock data for demo.errornotifier.com, shop.demo.errornotifier.com, api.demo.errornotifier.com, docs.demo.errornotifier.com, and hooks.demo.errornotifier.com. Placeholder secrets such as ensk_demo_placeholder_do_not_use are fake and cannot write data.
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Simulated incident story

This demo data is read-only and follows one deploy from failing tests to recovery.

Simulated
  1. Bad deployStorefront release 2026.05-demo shipped with a checkout regression.
  2. Failed CI/test runGitHub Actions posted a failed unit test run with two checkout failures.
  3. Latency spikeAPI checks degraded while checkout health checks started returning errors.
  4. Confirmed incidentErrorNotifier opened a critical incident after repeated external failures.
  5. Alert routedEmail, Slack, and a signed automation webhook received delivery records.
  6. ResolutionThe deploy was rolled back, recovery was confirmed, and the report budget was updated.

Issues

Grouped error events with stack traces, breadcrumbs, replay, feedback, releases, and activity foundations. Duplicate source rows are shown as one latest keeper issue with preserved totals.

Showing grouped issues for shop.demo.errornotifier.com in last 24 hours. Rows are grouped by normalized issue signature; retained raw event volume stays separate from keeper-row totals.
No error events yetInstall the JavaScript SDK or send a test event to create the first grouped issue.Send test event