Outage in PostHog EU
Feature flags API: elevated latency and error rates
Resolved Minor
April 28, 2026 - Started 20 days ago
- Lasted about 4 hours
Incident Report
Summary AI Generated
PostHog EU's Feature Flags API experienced elevated latency and error rates for 3.6 hours, causing flag evaluations to fail or fall back to default behavior for some requests. The issue was identified within 13 minutes of detection, and a fix was deployed that restored normal metrics. The incident was classified as minor and is now resolved with continued monitoring.
A fix has been deployed, and our metrics have returned to normal. We’ll continue to monitor the situation.
Components affected
PostHog EU Feature Flags APITrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
INVESTIGATING
20 days ago - at 04/28/2026 04:21PM
We’re investigating elevated latency error rates on the feature flags API. Flag evaluations may fail or fall back to default behavior for some requests.
IDENTIFIED
20 days ago - at 04/28/2026 04:34PM
We have identified the issue, and latency/error rates are decreasing
MONITORING
20 days ago - at 04/28/2026 04:46PM
A fix has been deployed, and our metrics have returned to normal. We’ll continue to monitor the situation.
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