# Statsig: Critical incident: Drop in success rate for /api/v1/log_event and /api/v1/rgstr

**Summary:** Statsig reported a critical drop in success rate for /api/v1/log\_event and /api/v1/rgstr, affecting the Log Event API. The incident started at 2025-08-25 18:20 UTC and lasted 40 min, resolving at 2025-08-25 19:00 UTC; Statsig said it had been mitigated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-08-25 18:20 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/fbmvv00t79fl](https://stspg.io/fbmvv00t79fl)
- [Company: Statsig](https://rewindex.com/company/statsig.md)
- Versions: before (none: first archived) → after incident\_version:208/phx5pzw1qr0d@b07397b83626
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Drop in success rate for /api/v1/log_event and /api/v1/rgstr
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-08-25 18:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-08-25 19:00 UTC
```

**6. Added: Affected components**

```diff
+ Log Event API
```

**7. Added: Update** (investigating) · 2025-08-25 18:20 UTC

```diff
+ There was a drop in success rate between 11:20am PST and 12:00pm PST for the /api/v1/log_event and /api/v1/rgstr endpoints. This has now been mitigated. Mitigated: 08/25/2025 11:51:00 GMT-0700 (Pacific Daylight Time)
```

**8. Added: Update** (resolved) · 2025-08-25 19:00 UTC

```diff
+ Resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-08-25 18:20 UTC | Critical incident: Drop in success rate for /api/v1/log\_event and /api/v1/rgstr (this change) | outage |

All Statsig changes: [timeline](https://rewindex.com/company/statsig/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._


---
Canonical: https://rewindex.com/change/i221b42d32ed2e4 · Markdown: https://rewindex.com/change/i221b42d32ed2e4.md · JSON: https://rewindex.com/api/v1/changes/i221b42d32ed2e4 · Generated 2026-10-18T03:55:38.915Z