# Brex: Critical incident: Notifications Partial Outage

**Summary:** Brex reported a critical partial notifications outage: some notifications, including MFA and 3DS challenges, were not sent between 18:18–18:54 UTC. The incident record started and resolved at 2026-10-02 22:36 UTC (computed duration: 0 min); Brex attributed it to a transient issue and confirmed notifications were sending correctly again. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-10-02 22:36 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/k6tbw24h6l29](https://stspg.io/k6tbw24h6l29)
- [Company: Brex](https://rewindex.com/company/brex.md)
- Versions: before (none: first archived) → after incident\_version:217/1frp71v7spwm@99fde1d17d00
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Notifications Partial Outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-02 22:36 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-02 22:36 UTC
```

**6. Added: Update** (resolved) · 2026-10-02 22:36 UTC

```diff
+ A transient issue caused some notifications to not be sent between 18:18–18:54 UTC. This includes MFA and 3DS challenges. The issue has been resolved and we are now sending notifications correctly.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-02 22:36 UTC | Critical incident: Notifications Partial Outage (this change) | degradation |

All Brex changes: [timeline](https://rewindex.com/company/brex/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/i6860500e073481 · Markdown: https://rewindex.com/change/i6860500e073481.md · JSON: https://rewindex.com/api/v1/changes/i6860500e073481 · Generated 2026-10-18T01:54:29.330Z