# Unbounce: Major incident: Service Disruption Affecting Some Integrations

**Summary:** Unbounce reported a major Third-Party Integrations disruption causing delayed or failed integration events and notifications, starting 2026-05-25 14:33 UTC and resolved 2026-05-27 00:18 UTC (33 h 45 min). Engineers implemented a fix, cleared the backlog, backfilled affected events, and synced integration errors to the UI. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-05-25 14:33 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/wk72vdbycs4c](https://stspg.io/wk72vdbycs4c)
- [Company: Unbounce](https://rewindex.com/company/unbounce.md)
- Versions: before (none: first archived) → after incident\_version:265/50z48x077qz5@ad706247e355
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Service Disruption Affecting Some Integrations
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-05-25 14:33 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-05-27 00:18 UTC
```

**6. Added: Affected components**

```diff
+ Third-Party Integrations
```

**7. Added: Update** (investigating) · 2026-05-25 14:33 UTC

```diff
+ We are currently investigating an issue impacting some integrations. Affected users may experience delayed or failed delivery of integration events and notifications.
```

**8. Added: Update** (identified) · 2026-05-25 15:00 UTC

```diff
+ The issue has been identified, and our engineering team is actively working on a fix.
```

**9. Added: Update** (monitoring) · 2026-05-25 17:36 UTC

```diff
+ Our engineering team has implemented a fix, and lead delivery to integrations is now processing again. The system is currently working through a backlog of delayed integration events, and we expect catch-up processing to continue for several hours. During this time, newly submitted leads and integration deliveries may still experience delays while the backlog is being processed. We will continue to share updates as progress is made.
```

**10. Added: Update** (monitoring) · 2026-05-25 22:02 UTC

```diff
+ The backlog of delayed integration events has now been processed, and new events should be processed normally again in real time. Next, our Engineering team will work on backfilling any events impacted by the outage and syncing integration errors to the UI.
```

**11. Added: Update** (monitoring) · 2026-05-26 19:59 UTC

```diff
+ The integration events affected by the incident have all been backfilled. As a next step, our engineers will work towards syncing integration errors to the UI. Thank you for your patience so far, and don't hesitate to reach out to our Support Team if you have any questions. We'll continue to share updates as progress is made.
```

**12. Added: Update** (resolved) · 2026-05-27 00:18 UTC

```diff
+ This incident has been resolved. We've backfilled the events impacted by the outage and have completed syncing integration errors to the UI.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-05-25 14:33 UTC | Major incident: Service Disruption Affecting Some Integrations (this change) | degradation |

All Unbounce changes: [timeline](https://rewindex.com/company/unbounce/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i21c24b3cda06dc · Markdown: https://rewindex.com/change/i21c24b3cda06dc.md · JSON: https://rewindex.com/api/v1/changes/i21c24b3cda06dc · Generated 2026-10-18T03:55:51.290Z