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Heap Outage History

Every past Heap outage tracked by IsDown, with detection times, duration, and resolution details.

There were 328 Heap outages since May 2020. The 35 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor June 2, 2026

June 2026: EU customers may be experiencing slightly longer-than-normal query times

Detected Jun 2, 2026 4:54 AM CDT · Resolved Jun 2, 2026 2:50 PM CDT · Duration about 10 hours

Heap experienced a minor service incident where EU customers encountered slightly longer-than-normal query response times. The issue affected query performance for European users over a period of 9.9 hours. The problem was identified and a fix was implemented, with the incident fully resolved after monitoring confirmed the solution was effective.

Minor May 29, 2026

May 2026: Heap Connect Sync Delays (Bigquery)

Detected May 29, 2026 7:26 AM CDT · Resolved May 29, 2026 12:36 PM CDT · Duration about 5 hours

Heap Connect experienced sync delays affecting BigQuery environments for 5.2 hours. The engineering team deployed a fix and worked to catch up the delayed environments. The incident was fully resolved after all affected environments recovered.

Minor May 5, 2026

May 2026: Query failures impacting some customers in EU

Detected May 5, 2026 7:35 AM CDT · Resolved May 5, 2026 10:07 AM CDT · Duration about 3 hours

Heap experienced a connectivity issue that caused query failures for some customers in the EU region, affecting the main app functionality. The incident lasted 2.3 hours before a fix was applied and the service was restored. The issue was resolved after monitoring confirmed the fix was successful.

Minor April 1, 2026

April 2026: Temporary Data Latency - Investigating

Detected Apr 1, 2026 3:36 PM CDT · Resolved Apr 1, 2026 5:42 PM CDT · Duration about 2 hours

Heap experienced data latency issues affecting a subset of customers for 2.1 hours, causing delays in data appearing in the app and missing data in reports. Data collection continued normally and no data was lost during the incident. The issue was resolved after engineers implemented a fix and monitored the recovery.

Minor March 30, 2026

March 2026: Heap Connect Syncs: Possibility Of Stale Data (EU Only)

Detected Mar 30, 2026 9:30 AM CDT · Resolved Mar 30, 2026 1:07 PM CDT · Duration about 4 hours

Heap experienced latency issues with their upstream data source that caused EU-region Heap Connect syncs to potentially contain stale data for 3.6 hours. The incident affected the Heap Connect component specifically for European users. The issue was resolved after a fix was applied and latency recovered to normal levels.

Minor March 26, 2026

March 2026: Customers having to re-login in to Heap

Detected Mar 26, 2026 9:17 AM CDT · Resolved Mar 30, 2026 9:09 AM CDT · Duration 4 days

Heap customers experienced authentication issues requiring them to repeatedly log back into the application. The incident affected the main Heap app for approximately 96 hours. The issue was identified, a fix was implemented, and the incident was resolved after a monitoring period.

Minor March 18, 2026

March 2026: We are currently experiencing delays in 3rd party integrations events being available in the app

Detected Mar 18, 2026 12:41 PM CDT · Resolved Mar 18, 2026 3:37 PM CDT · Duration about 3 hours

Heap experienced delays in 3rd party integration events appearing in the application, affecting the Integrations - Destinations component for 2.9 hours. Data collection continued to function normally during the incident. The issue was resolved after engineering investigation.

Minor March 18, 2026

March 2026: Some customers may be experiencing errors when running queries

Detected Mar 18, 2026 11:34 AM CDT · Resolved Mar 18, 2026 12:57 PM CDT · Duration about 1 hour

Some Heap customers experienced errors when running queries, affecting the App component for 1.4 hours. The issue was identified and a fix was implemented, with monitoring confirming the resolution.

Minor March 15, 2026

March 2026: Partial service disruption for some Heap/PA customers

Detected Mar 15, 2026 11:43 AM CDT · Resolved Mar 15, 2026 11:00 PM CDT · Duration about 11 hours

Heap experienced a partial service disruption lasting 11.3 hours where some customers encountered stale data in the app and experienced query timeouts or failures. The issue was identified and resolved with a fix that restored normal latency, while data collection continued throughout the incident with no data loss.