Replay your backend exactly as it ran in production.
Run production code again — exactly as it happened.
Status
failed (503)
Total time
1280ms
Network calls
3
Timeline
Timeline
What happened → Where it broke → Continue
Timeline
7 events{ "entry": "app/api/orders/[id].ts", "name": "orders.getById" }
Replay
Replay
Capture → Jump → Continue
Replay Execution
Re-run this execution on your agent using the original captured inputs. Encrypted env values are decrypted locally — nothing leaves your machine.
Production
https://app.fluxrun.dev/api/replay
Local agent
· session onlyNetwork
Network
Replay from here →
Request Summary
Failed Request: 503
This request resulted in an error status code. Check the Response tab for more details about the failure.
Sensitive Data
Performance
Performance
Time breakdown
Performance Summary
Bottlenecks
Critical Path
Execution Waterfall
Time Breakdown
Flow
Request flow
Root handler → services → result
Request Flow
5Selected request
app/api/orders/[id].ts
Root handler → services → result.
Replay production failures.
Timeline, network, performance, and flow are the same surfaces used in the app, shown as one debugging narrative.
Need docs first? Getting started · Security details here.