# Telnyx: Major incident: Intermittent 5XX responses on various API endpoints

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-09-23 13:49 UTC · Detected: 2026-10-19 17:33 UTC
- [Source: https://status.telnyx.com/incidents/01M378DSKYYXBS4V46VY5GDC9N](https://status.telnyx.com/incidents/01M378DSKYYXBS4V46VY5GDC9N)
- [Company: Telnyx](https://rewindex.com/company/telnyx.md)
- Versions: before (none: first archived) → after incident\_version:705/01M378DSKYYXBS4V46VY5GDC9N@57c1dcd5fd4d
- Change 1 of 1 for this incident

Incident page (full timeline): [Intermittent 5XX responses on various API endpoints](https://rewindex.com/company/telnyx/incidents/01M378DSKYYXBS4V46VY5GDC9N.md)
## What changed

**1. Added: Title**

```diff
+ Intermittent 5XX responses on various API endpoints
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-23 13:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-23 15:50 UTC
```

**6. Added: Update** (investigating) · 2026-09-23 13:49 UTC

```diff
+ Our engineering team is investigating this with priority. This may also impact 2FA login to the portal. Updates will be provided on this status page.
```

**7. Added: Update** (monitoring) · 2026-09-23 14:39 UTC

```diff
+ We have implemented a fix and are monitoring the results.
```

**8. Added: Update** (resolved) · 2026-09-23 15:50 UTC

```diff
+ The issue is confirmed to be resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-23 13:49 UTC | Major incident: Intermittent 5XX responses on various API endpoints (this change) | major |

All Telnyx changes: [timeline](https://rewindex.com/company/telnyx/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/i3352c22dcdaeba · Markdown: https://rewindex.com/change/i3352c22dcdaeba.md · JSON: https://rewindex.com/api/v1/changes/i3352c22dcdaeba · Generated 2026-10-19T21:43:16.033Z