# Deepgram: Major incident: Aura-2 TTS Elevated Error Rates for English Voices

**Summary:** Deepgram reported a major incident affecting its TTS API: some Aura-2 TTS requests for English voices returned elevated 503 Service Unavailable errors. It started at 2026-09-22 12:10 UTC and was resolved at 2026-09-22 12:50 UTC, with a computed duration of 39 min; no cause or fix was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-22 12:10 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/1mbrwsmd1034](https://stspg.io/1mbrwsmd1034)
- [Company: Deepgram](https://rewindex.com/company/deepgram.md)
- Versions: before (none: first archived) → after incident\_version:12/qn4dn4kskjt1@fb4240765837
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Aura-2 TTS Elevated Error Rates for English Voices
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-22 12:10 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-22 12:50 UTC
```

**6. Added: Affected components**

```diff
+ Deepgram Public API (api.deepgram.com) - TTS API, TTS API
```

**7. Added: Update** (investigating) · 2026-09-22 12:10 UTC

```diff
+ We are investigating elevated 503 Service Unavailable errors affecting some Aura-2 TTS requests for English voices. We are working to identify the cause and restore full service availability.
```

**8. Added: Update** (resolved) · 2026-09-22 12:50 UTC

```diff
+ The issue has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-22 12:10 UTC | Major incident: Aura-2 TTS Elevated Error Rates for English Voices (this change) | outage |

All Deepgram changes: [timeline](https://rewindex.com/company/deepgram/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/i48e91c482d1a09 · Markdown: https://rewindex.com/change/i48e91c482d1a09.md · JSON: https://rewindex.com/api/v1/changes/i48e91c482d1a09 · Generated 2026-10-18T00:37:43.466Z