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    Heap outage history

    70 recorded Heap incidents since January 2025, with official updates, affected components, duration and resolution information.

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    User property data delayed in Heap connect syncs (US customers only)

    Started October 14, 2026 at 1:03 PM UTC · 6h 41m

    IssuesMinor incident
    Affected components
    Heap ConnectApp
    1. October 14, 2026 at 1:03 PM UTCinvestigating

      We are investigating delays in user property updates appearing in the Heap connect syncs for some customers. Our engineering team is working to identify the cause and restore normal processing. Data continues to be collected and no data has been lost.

    2. October 14, 2026 at 7:44 PM UTCresolved

      This incident has been resolved.

    User property data delayed in Heap connect syncs (US customers only)

    Started October 7, 2026 at 11:20 PM UTC · 16h 14m

    IssuesMinor incident
    Affected components
    Heap ConnectApp
    1. October 7, 2026 at 11:20 PM UTCinvestigating

      We are investigating delays in user property updates appearing in the Heap connect syncs for some customers. Our engineering team is working to identify the cause and restore normal processing. Data continues to be collected and no data has been lost.

    2. October 8, 2026 at 12:56 AM UTCinvestigating

      We are continuing to investigate this issue.

    3. October 8, 2026 at 3:50 AM UTCmonitoring

      A fix has been implemented, and latency is recovering. We continue to monitor.

    4. October 8, 2026 at 3:33 PM UTCresolved

      This incident has been resolved. Latency is back to normal levels. Connect data will catch up on the next regularly scheduled sync.

    Salesforce integration: data-in not syncing

    Started October 2, 2026 at 9:49 PM UTC · Ongoing

    OutageMajor incident
    Affected components
    Integrations - Sources
    1. October 2, 2026 at 9:49 PM UTCidentified

      Salesforce data isn't syncing into Heap, and new connections or reconnections are failing. We've identified the root cause and are working on a fix. Please don't try to reconnect until we post an update. Thank you for your patience!

    2. October 2, 2026 at 9:57 PM UTCidentified

      We are continuing to work on a fix for this issue.

    Heap Connect Syncs: Possibility Of Stale Data

    Started September 23, 2026 at 10:15 PM UTC · 2h 40m

    IssuesMinor incident
    Affected components
    Heap Connect
    1. September 23, 2026 at 10:15 PM UTCidentified

      We are experiencing latency in our upstream data source. Syncs running during this period may have stale data. We will post an update within the hour.

    2. September 24, 2026 at 12:38 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. September 24, 2026 at 12:55 AM UTCresolved

      This incident has been resolved.

    Third party integration events latency impacting some customers

    Started September 22, 2026 at 10:43 PM UTC · 15h 52m

    IssuesMinor incident
    Affected components
    AppIntegrations - Sources
    1. September 22, 2026 at 10:43 PM UTCidentified

      We have identified an issue where users may see delays in 3rd party integration events getting to the app, and potentially split users.

    2. September 23, 2026 at 2:54 AM UTCidentified

      We are continuing to work on a fix for this issue.

    3. September 23, 2026 at 2:35 PM UTCresolved

      This incident has been resolved

    Heap Connect Sync Delays

    Started September 11, 2026 at 3:39 AM UTC · 40m

    Pending
    Affected components
    Heap Connect
    1. September 11, 2026 at 3:39 AM UTCinvestigating

      We are currently experiencing delays for Connect Syncs. Our engineering team is currently working to identify a root cause and implement a solution. We will post an update in 30 minutes.

    2. September 11, 2026 at 3:53 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. September 11, 2026 at 4:07 AM UTCmonitoring

      A fix has been deployed and we are monitoring. Latency is starting to recover.

    4. September 11, 2026 at 4:19 AM UTCresolved

      This incident has been resolved.

    Heap Connect Syncs: Possibility Of Stale Data

    Started August 28, 2026 at 1:42 PM UTC · 23h 14m

    IssuesMinor incident
    Affected components
    Heap Connect
    1. August 28, 2026 at 1:42 PM UTCmonitoring

      We have identified and resolved an issue affecting upstream data sources for connect syncs. While many syncs have automatically retried, some customers may still be observing stale data. Upcoming scheduled syncs should resolve the staleness issue, and we expect complete resolution within 24 hours.

    2. August 29, 2026 at 12:56 PM UTCresolved

      Our monitoring shows that all syncs are still operating normally, and no remaining customer should observe staleness issues at this time.

    Heap Connect Syncs: Possibility Of Stale Data

    Started August 15, 2026 at 2:32 PM UTC · 1d 22h

    Pending
    Affected components
    Heap Connect
    1. August 15, 2026 at 2:32 PM UTCidentified

      We are experiencing latency in our upstream data source. Syncs running during this period may have stale data. We will post an update in 2 hours.

    2. August 15, 2026 at 4:26 PM UTCidentified

      We are continuing to work on a fix for this issue.

    3. August 16, 2026 at 2:59 PM UTCmonitoring

      US Data Lake ingestion latency is now back within nominal values. Some US Connect customers may still see stale data, but all customers will see fresh data upon their next sync

    4. August 17, 2026 at 1:03 PM UTCresolved

      This incident has been resolved.

    Heap Connect Syncs: Possibility Of Stale Data (US)

    Started August 12, 2026 at 6:42 PM UTC · 4h 17m

    IssuesMinor incident
    Affected components
    Heap Connect
    1. August 12, 2026 at 6:42 PM UTCidentified

      We are experiencing latency in our upstream data source. Syncs running during this period may have stale data. We will post an update within the hour.

    2. August 12, 2026 at 8:43 PM UTCidentified

      We are continuing to work on a fix for this issue.

    3. August 12, 2026 at 9:33 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    4. August 12, 2026 at 10:39 PM UTCmonitoring

      We are continuing to monitor for any further issues.

    5. August 12, 2026 at 10:59 PM UTCresolved

      This incident has been resolved.

    US connect customers: possibility of stale data

    Started August 12, 2026 at 4:35 AM UTC · 2h 4m

    IssuesMinor incident
    Affected components
    Heap Connect
    1. August 12, 2026 at 4:35 AM UTCidentified

      We are experiencing latency in data getting to connect syncs. Any syncs running during this time may get stale data.

    2. August 12, 2026 at 5:47 AM UTCmonitoring

      Latency is recovered, we continue to monitor. Your data will automatically catch up during the next regularly scheduled sync.

    3. August 12, 2026 at 6:39 AM UTCresolved

      This incident has been resolved

    EU hosted | Heap Charts and Dashboards results not loading

    Started August 10, 2026 at 10:34 AM UTC · 4h 9m

    Pending
    Affected components
    App
    1. August 10, 2026 at 10:34 AM UTCinvestigating

      We are currently investigating this issue.

    2. August 10, 2026 at 2:44 PM UTCresolved

      This incident has been resolved.

    Heap Connect Syncs: Possibility Of Stale Data

    Started August 4, 2026 at 11:39 PM UTC · 3h 1m

    IssuesMinor incident
    Affected components
    Heap Connect
    1. August 4, 2026 at 11:39 PM UTCidentified

      We are experiencing latency in our upstream data source. Syncs running during this period may have stale data. We will post an update within the hour.

    2. August 4, 2026 at 11:47 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. August 5, 2026 at 2:39 AM UTCresolved

      This incident has been resolved.

    Temporary Data Latency - Investigating

    Started July 27, 2026 at 6:12 PM UTC · 4h 20m

    IssuesMinor incident
    Affected components
    Data CollectionApp
    1. July 27, 2026 at 6:12 PM UTCinvestigating

      We are currently experiencing delays in data being available in the app for a subset of customers. You may notice missing data in your reports. Data collection is unaffected, and no data has been lost. Our engineers are currently investigating the issue.

    2. July 27, 2026 at 7:09 PM UTCinvestigating

      We are continuing to investigate the issue

    3. July 27, 2026 at 7:45 PM UTCmonitoring

      Latency is resolving. We are currently monitoring.

    4. July 27, 2026 at 10:32 PM UTCresolved

      This incident has been resolved.

    Connect Sync Delays

    Started July 26, 2026 at 2:06 PM UTC · 3h 0m

    Pending
    Affected components
    Heap Connect
    1. July 26, 2026 at 2:06 PM UTCidentified

      Some US customers using HFT syncs may experience delays in data processing or availability. The issue has been identified, and our teams are working on a resolution.

    2. July 26, 2026 at 5:06 PM UTCresolved

      This incident has been resolved

    Some US Connect customers may be impacted by delays in data lake ingestion

    Started July 21, 2026 at 6:34 AM UTC · 2h 31m

    OutageMajor incident
    Affected components
    Heap Connect
    1. July 21, 2026 at 6:34 AM UTCinvestigating

      We are currently investigating this issue.

    2. July 21, 2026 at 6:36 AM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. July 21, 2026 at 9:06 AM UTCresolved

      This incident has been resolved.

    Some US customers may experience PA query failures in the app.

    Started July 20, 2026 at 5:44 PM UTC · 12h 12m

    IssuesMinor incident
    Affected components
    App
    1. July 20, 2026 at 5:44 PM UTCinvestigating

      We are currently investigating this issue.

    2. July 20, 2026 at 6:05 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. July 21, 2026 at 5:56 AM UTCresolved

      This incident has been resolved.

    Dashboard and Chart loading issues

    Started July 12, 2026 at 1:54 PM UTC · 22h 55m

    OutageMajor incident
    Affected components
    App
    1. July 12, 2026 at 1:54 PM UTCinvestigating

      We are currently investigating an issue causing dashboards and charts to experience loading delays or failures.

    2. July 13, 2026 at 12:49 PM UTCidentified

      This incident has been resolved

    3. July 13, 2026 at 12:49 PM UTCresolved

      This incident has been resolved.

    Temporary Data Latency

    Started July 7, 2026 at 2:37 AM UTC · 12h 34m

    IssuesMinor incident
    Affected components
    Data CollectionApp
    1. July 7, 2026 at 2:37 AM UTCidentified

      We are currently experiencing delays in data being available in the app. You may notice missing data in your reports. Data collection is unaffected, and no data has been lost. Our engineers are currently investigating the issue. We'll be posting another update in 2 hours.

    2. July 7, 2026 at 6:17 AM UTCidentified

      We are continuing to work on a fix.

    3. July 7, 2026 at 3:11 PM UTCresolved

      This incident has been resolved.

    Slow Queries

    Started July 2, 2026 at 4:30 PM UTC · 20m

    IssuesMinor incident
    Affected components
    App
    1. July 2, 2026 at 4:30 PM UTCinvestigating

      We are current investigating an issue with slow/unresponsive queries for a subset of customers. No data is lost. We will post an update in 2 hours.

    2. July 2, 2026 at 4:40 PM UTCmonitoring

      Queries have resumed. We are monitoring.

    3. July 2, 2026 at 4:50 PM UTCresolved

      This incident has been resolved.

    Incoming data is delayed for customers in US. Both the Heap app and Connect are impacted.

    Started June 20, 2026 at 5:10 PM UTC · 7h 26m

    IssuesMinor incident
    Affected components
    Heap ConnectAppIntegrations - Destinations
    1. June 20, 2026 at 5:10 PM UTCidentified

      No data has been lost. We are working on a fix

    2. June 20, 2026 at 6:06 PM UTCidentified

      We continue to work on a fix for this issue

    3. June 20, 2026 at 6:59 PM UTCidentified

      We are continuing to work on the fix for this issue.

    4. June 20, 2026 at 8:54 PM UTCidentified

      We continue to work on a fix for this issue. We will post an update as soon as one is available.

    5. June 20, 2026 at 9:22 PM UTCmonitoring

      The fix has been applied and latency is recovering. We continue to monitor.

    6. June 21, 2026 at 12:10 AM UTCmonitoring

      Latency has recovered for the App. Latency is still recovering for Connect syncs. We continue to monitor.

    7. June 21, 2026 at 12:36 AM UTCresolved

      Latency has recovered for all components. No data was lost. Connect syncs will sync the latest data on the next regularly scheduled sync. We will continue to monitor.