# Increased 500 Errors on Pipeline and Workflow API Endpoints and UI

- Provider: [CircleCI](https://down.guide/providers/circleci)
- Confidence: Confirmed
- Impact: Degraded
- lasted 58m
- started 2026-06-09 17:45 UTC
- CircleCI API, CircleCI UI
- CircleCI states the impact was 2026-06-09 13:29 to 18:20 UTC (4h 51m)
- id: DWN-5d2bea8c69
- Official page: https://stspg.io/frwqpjlwzb9r

## Updates from CircleCI
### 2026-06-09 17:45 UTC: investigating
Some customers are experiencing 500 errors when making requests to the pipeline values and workflow API endpoints, as well as errors in the UI. 
Engineers are actively investigating.

### 2026-06-09 18:20 UTC: investigating
Our engineers are continuing to investigate the 500 errors customers are experiencing on the pipeline values and workflow API endpoints, as well as errors in the UI. Jobs currently running are not impacted.

### 2026-06-09 18:32 UTC: monitoring
A fix has been deployed for the 500 errors customers were experiencing on the pipeline values and workflow API endpoints and in the UI. Engineers are monitoring the change. Jobs running are not impacted

### 2026-06-09 18:43 UTC: resolved
Between 13:29 UTC and 18:20 UTC on June 9, 2026, some customers experienced 500 errors when making requests to the pipeline values and workflow API endpoints, as well as errors in the UI. Jobs running were not impacted during this window. The issue has been resolved and all affected functionality has returned to normal. We thank you for your patience while our team worked on implementing a fix.

From the builder: does your app depend on CircleCI? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=circleci) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention CircleCI.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-5d2bea8c69), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.