# Elevated API error rate

- Provider: [Rollbar](https://down.guide/rollbar)
- Level: confirmed
- Impact: Degraded
- lasted 4h 10m
- started 2025-09-03 16:53 UTC
- id: DWN-e9851b9687
- Official page: https://status.rollbar.com/incidents/01K487YKY1CR8RG4VPBQHRGVYD

## Updates from Rollbar
### 2025-09-03 16:53 UTC: investigating
We're investigating an issue with elevated error rates on \[api.rollbar.com\](http://api.rollbar.com "api.rollbar.com") affecting occurrence ingestion.

### 2025-09-03 17:13 UTC: identified
We've identified the likely root cause, and are working on implementing a fix.

### 2025-09-03 18:28 UTC: identified
We're continuing to work on a fix for this issue.

### 2025-09-03 20:42 UTC: identified
We've implemented a fix and are monitoring the results.

### 2025-09-03 21:03 UTC: resolved
This incident has been resolved. We'll publish a postmortem in the coming days.

### 2025-09-09 23:01 UTC: resolved
\*\*# Incident Report
## Summary of the Incident and Impact\*\*
From 2025-09-03 05:35 PT until approximately 14:03 PT, the Rollbar ingestion API) served a high rate of 502 errors because a particular traffic pattern exhausted the resources available to other traffic. The range of 502 errors ranged from 30% to 60% of requests during the incident. Once the root cause was identified and mitigated, error levels returned to below 0.01%.
The Web App and Processing tiers were not affected.
\[1\] POST requests to api.rollbar.com/api/1/item , api.rollbar.com/api/1/item\_batch/ , api.rollbar.com/api/1/items/ 
\*\*## Follow-Up Actions\*\*
We've identified follow-up actions to mitigate going forward 1) the length of similar incidents (completed), 2) the possibility of similar incidents (planned).

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