Frequently asked questions
Answers about ReplayStack, billing, safe replay, and how teams use it in production.
What is ReplayStack?
ReplayStack is a backend event replay and debugging platform. It helps developers capture backend events, inspect failed requests, replay them safely, compare original vs replay results, and generate developer-ready bug reports.
What problem does ReplayStack solve?
ReplayStack solves the common issue where a production bug occurs, but developers cannot reproduce it locally or in staging.
It captures the actual failed backend event, including payload, response, error message, stack trace, line number, breadcrumbs, service version, and commit hash. Developers can then replay the event safely and compare the result.
Who should use ReplayStack?
ReplayStack is useful for:
Backend developers
QA engineers
API-heavy SaaS teams
DevOps/debugging teams
Agencies managing multiple backend systems
Teams working with complex user flows
Teams facing difficult-to-reproduce production bugs
What types of events can ReplayStack capture?
ReplayStack can capture:
API requests
API responses
Failed requests
Queue jobs
Cron jobs
Webhook events
Custom backend events
Exceptions
Stack traces
Breadcrumbs
Optional logs
Still have questions? Contact us.