# Amplitude: Critical incident: Amplitude Website Outage

**Summary:** Amplitude reported a critical site-wide outage starting 2026-04-03 21:52 UTC, affecting web applications, reporting, data services, Experiment, and other components. It lasted 2 h 0 min and was resolved at 2026-04-03 23:52 UTC; Amplitude said its data pipelines were catching up with no expected data loss. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-04-03 21:52 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/m0qq81sqq32y](https://stspg.io/m0qq81sqq32y)
- [Company: Amplitude](https://rewindex.com/company/amplitude.md)
- Versions: before (none: first archived) → after incident\_version:49/mcs1hsjxz8nx@b6a3ec05a812
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Amplitude Website Outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-03 21:52 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-03 23:52 UTC
```

**6. Added: Affected components**

```diff
+ Agents and Chat, AI Feedback, Analytics - Web Application, Analytics - Web Reporting, Audiences - Web Application, Data - Data Export, Data - Data Processing, Data - Event Streaming, Data Export, Data Processing, Data - Web Application, Evaluation API, Event Streaming, Experiment - Evaluation API, Experiment - Web Application, Guides & Surveys, Session Replay, Web Application, Web Reporting
```

**7. Added: Update** (investigating) · 2026-04-03 21:52 UTC

```diff
+ We are currently investigating a site-wide outage.
```

**8. Added: Update** (investigating) · 2026-04-03 21:56 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (investigating) · 2026-04-03 22:07 UTC

```diff
+ We have identified the issue and a fix has been deployed, services are being restored. Analytics event collection is not been impacted and no data loss is expected.
```

**10. Added: Update** (monitoring) · 2026-04-03 22:14 UTC

```diff
+ We're continuing to monitor as services recover.
```

**11. Added: Update** (monitoring) · 2026-04-03 22:23 UTC

```diff
+ Our data pipeline are catching up with no expected data loss, incident is expected to be fully resolved shortly.
```

**12. Added: Update** (monitoring) · 2026-04-03 23:33 UTC

```diff
+ All systems are operational.
```

**13. Added: Update** (resolved) · 2026-04-03 23:52 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-03 21:52 UTC | Critical incident: Amplitude Website Outage (this change) | outage |

All Amplitude changes: [timeline](https://rewindex.com/company/amplitude/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/i764ebdd0b24e49 · Markdown: https://rewindex.com/change/i764ebdd0b24e49.md · JSON: https://rewindex.com/api/v1/changes/i764ebdd0b24e49 · Generated 2026-10-18T01:53:37.620Z