# Svix: Major incident: US region is failing with 5xx errors an most API calls

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2023-06-06 16:25 UTC · Detected: 2026-10-19 18:53 UTC
- [Source: https://stspg.io/hj87gxqx1k2n](https://stspg.io/hj87gxqx1k2n)
- [Company: Svix](https://rewindex.com/company/svix.md)
- Versions: before (none: first archived) → after incident\_version:756/zt3kbx41q8hc@78be945f16ae
- Change 1 of 1 for this incident

Incident page (full timeline): [US region is failing with 5xx errors an most API calls](https://rewindex.com/company/svix/incidents/zt3kbx41q8hc.md)
## What changed

**1. Added: Title**

```diff
+ US region is failing with 5xx errors an most API calls
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ postmortem
```

**4. Added: Start time**

```diff
+ 2023-06-06 16:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-06-06 16:25 UTC
```

**6. Added: Affected components**

```diff
+ API
```

**7. Added: Update** (investigating) · 2023-06-06 15:44 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (investigating) · 2023-06-06 15:52 UTC

```diff
+ Potential fix is being deployed.
```

**9. Added: Update** (monitoring) · 2023-06-06 16:12 UTC

```diff
+ Seems to be resolved. Still monitoring.
```

**10. Added: Update** (monitoring) · 2023-06-06 16:25 UTC

```diff
+ EDIT: duplicate of the above.
```

**11. Added: Update** (resolved) · 2023-06-06 16:25 UTC

```diff
+ It's confirmed to be working. Sorry about that, a post-mortem is coming.
```

**12. Added: Update** (postmortem) · 2023-06-07 20:57 UTC

```diff
+ Postmortem: [https://www.svix.com/blog/outage-us-june-2023/](https://www.svix.com/blog/outage-us-june-2023/)
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-06-06 16:25 UTC | Major incident: US region is failing with 5xx errors an most API calls (this change) | major |

All Svix changes: [timeline](https://rewindex.com/company/svix/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/i3be12e25bed5b8 · Markdown: https://rewindex.com/change/i3be12e25bed5b8.md · JSON: https://rewindex.com/api/v1/changes/i3be12e25bed5b8 · Generated 2026-10-19T21:56:51.083Z