# MessageBird (Bird): Major incident: Slow processing of messages through Viber

**Summary:** MessageBird (Bird) reported a major Viber messaging degradation from 2025-10-21 14:11 UTC to 2025-10-24 07:43 UTC, lasting 2 days 17 h. Sending was slow due to reduced processing rates from Viber, and a limited subset of customers could not send messages. The vendor confirmed sending was fully restored and resolved the incident. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-10-21 14:11 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/509z3q1915yc](https://stspg.io/509z3q1915yc)
- [Company: MessageBird (Bird)](https://rewindex.com/company/messagebird-bird.md)
- Versions: before (none: first archived) → after incident\_version:122/z1sthyqdpy3n@07566242eee5
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Slow processing of messages through Viber
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-21 14:11 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-24 07:43 UTC
```

**6. Added: Affected components**

```diff
+ Connectivity Platform - Conversations - API, Conversations - API
```

**7. Added: Update** (investigating) · 2025-10-21 14:11 UTC

```diff
+ We are currently experiencing slower than expected sending of messages through Viber due to a slowdown in processing rate from Viber.
```

**8. Added: Update** (investigating) · 2025-10-23 12:11 UTC

```diff
+ A limited subset of customers are unable to send messages through Viber channel; investigation and remediations ongoing.
```

**9. Added: Update** (investigating) · 2025-10-24 07:42 UTC

```diff
+ Ability to sent messages through Viber has been fully restored.
```

**10. Added: Update** (resolved) · 2025-10-24 07:43 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-21 14:11 UTC | Major incident: Slow processing of messages through Viber (this change) | degradation |

All MessageBird (Bird) changes: [timeline](https://rewindex.com/company/messagebird-bird/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/ie80197f32e4101 · Markdown: https://rewindex.com/change/ie80197f32e4101.md · JSON: https://rewindex.com/api/v1/changes/ie80197f32e4101 · Generated 2026-10-18T02:31:38.123Z