Amplitude: Amplitude web application not loading

Impact: majorStatus: resolvedStarted 2026-04-23 19:56 UTCResolved 2026-04-23 20:32 UTC (36 min)3 updatesSource: stspg.io

Summary

Amplitude reported a major US web application outage starting 2026-04-23 19:56 UTC, resolved at 2026-04-23 20:32 UTC (35 min). Customers could encounter page-loading errors; EU and data ingestion were unaffected, with no data lost. Amplitude attributed the issue to a misconfigured feature-flag configuration and reverted the change.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: Data - Web ApplicationWeb ApplicationAnalytics - Web ApplicationWeb ApplicationAudiences - Web ApplicationWeb ApplicationMCPGuides & SurveysExperiment - Web ApplicationWeb Application

Timeline of updates

investigating2026-04-23 19:56 UTC
Amplitude web application in US is not accessible. The issue started around 12:20 PST we're still investigating the root cause. Amplitude in EU is working as expected. a) Our ingestion systems were working as expected and we were not losing any data. b) Impacted customers might experience errors when loading Amplitude web pages.
monitoring2026-04-23 20:02 UTC
We have identified the issue to be related to a misconfigured configuration in our feature flags. We have reverted the change as of 1PM PT and we should be back to normal now. We'll still monitor this for a bit before resolving the issue.
resolved2026-04-23 20:32 UTC
This incident has been resolved.

Rewindex changes for this incident

Major incident: Amplitude web application not loading 2026-04-23 19:56 UTC

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Amplitude profile · Recent Amplitude incidents · Markdown · JSON