# Twilio: Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil

> Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil. Detected 2026-10-23 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r4893e5c3f911e1
Last updated: 2026-10-23T21:13:50Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (typesafe/jev-1.13-20260917)
- Changed: 2026-10-23 21:13 UTC · Detected: 2026-10-23 21:13 UTC
- [Source: https://status.twilio.com/incidents/52y5t9kgn4h6](https://status.twilio.com/incidents/52y5t9kgn4h6)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/52y5t9kgn4h6@eced8f131979 → after incident\_version:125/52y5t9kgn4h6@acf0e89ba6bf
- Change 1 of 5 for this incident

Incident page (full timeline): [SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil](https://rewindex.com/company/twilio/incidents/52y5t9kgn4h6.md)
## What changed

**1. Changed: Title**

```diff
- SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil
+ SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil
```

**2. Added: Update** (identified) · 2026-10-23 21:07 UTC

```diff
+ Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-23 21:13 UTC | Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil (this change) | Normal progress |
| 2026-10-23 23:13 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil](https://rewindex.com/change/ra4e01c4ef71de6.md) | Normal progress |
| 2026-10-24 00:33 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil](https://rewindex.com/change/r36f12d7c62ff32.md) | Normal progress |
| 2026-10-24 02:33 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil](https://rewindex.com/change/r3f69c0885abc9e.md) | Normal progress |
| 2026-10-24 06:03 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil](https://rewindex.com/change/r1668b41ccccf7c.md) | Normal progress |

Next: [change](https://rewindex.com/change/ra4e01c4ef71de6.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/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._

## Cite this

Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil on Twilio’s status page, changed 2026-10-23 21:13 UTC (change 1 of 5).

- Canonical URL: https://rewindex.com/change/r4893e5c3f911e1
- Citation: Twilio, “Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil” (2026-10-23 21:13 UTC). Archived by Rewindex: https://rewindex.com/change/r4893e5c3f911e1 (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: SMS Delivery Delays from a Subset of Twilio Alphanumeric Sender IDs, Short Codes, and Long Codes to Claro Brazil (2026-10-23)](https://rewindex.com/change/r4893e5c3f911e1)`


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Canonical: https://rewindex.com/change/r4893e5c3f911e1 · Markdown: https://rewindex.com/change/r4893e5c3f911e1.md · JSON: https://rewindex.com/api/v1/changes/r4893e5c3f911e1 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:33:30.346Z