# Courier: Major incident: Delayed Message Processing

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2024-10-24 22:38 UTC · Detected: 2026-10-19 18:33 UTC
- [Source: https://stspg.io/jczn8vwfkh55](https://stspg.io/jczn8vwfkh55)
- [Company: Courier](https://rewindex.com/company/courier.md)
- Versions: before (none: first archived) → after incident\_version:730/l0bjy301yq0w@2cfbe081665e
- Change 1 of 1 for this incident

Incident page (full timeline): [Delayed Message Processing](https://rewindex.com/company/courier/incidents/l0bjy301yq0w.md)
## What changed

**1. Added: Title**

```diff
+ Delayed Message Processing
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-10-24 22:38 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-10-25 02:48 UTC
```

**6. Added: Affected components**

```diff
+ API, Courier - API
```

**7. Added: Update** (investigating) · 2024-10-24 22:38 UTC

```diff
+ Courier has identified a delay in message processing for the messages API. We are currently investigating the root cause and will update you periodically.
```

**8. Added: Update** (investigating) · 2024-10-24 23:01 UTC

```diff
+ We are continuing to monitor the root cause of the delayed message processing.
```

**9. Added: Update** (investigating) · 2024-10-24 23:29 UTC

```diff
+ The team is still investigating and discussing the root cause internally. Messages are experiencing longer than normal processing times.
```

**10. Added: Update** (identified) · 2024-10-25 00:00 UTC

```diff
+ The team has identified the issue and is rolling out a fix for the message delays.
```

**11. Added: Update** (identified) · 2024-10-25 00:40 UTC

```diff
+ Fix has been deployed and will be live in around 1hr.
```

**12. Added: Update** (identified) · 2024-10-25 01:31 UTC

```diff
+ The team identified an issue with the latest fix and reverted it. A new fix has been published to mitigate the message delay issue. ETA to land in production ~45 minutes.
```

**13. Added: Update** (monitoring) · 2024-10-25 02:43 UTC

```diff
+ A fix has been implemented and delivery times are beginning to returning to expected levels. The team will continue to monitor.
```

**14. Added: Update** (resolved) · 2024-10-25 02:48 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-10-24 22:38 UTC | Major incident: Delayed Message Processing (this change) | major |

All Courier changes: [timeline](https://rewindex.com/company/courier/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/i261702242d69e8 · Markdown: https://rewindex.com/change/i261702242d69e8.md · JSON: https://rewindex.com/api/v1/changes/i261702242d69e8 · Generated 2026-10-20T00:48:51.205Z