Backend error monitoring with replay built in
Error trackers tell you what blew up. ReplayStack shows the timeline around it and lets you replay the same payload path until the fix is verified.
Stack traces plus production context
Breadcrumbs, HTTP calls, and validation steps sit on one timeline—support and engineering see the same story.
From alert to verified fix
Compare replay output to the original failure, export a bug report, and close the loop without SSH or one-off scripts.
Framework-ready SDKs
Express, Next.js, and NestJS guides ship with runnable examples—install, capture, and inspect your first event in minutes.
Compare how ReplayStack fits your stack: Datadog, OpenTelemetry, Sentry.