# Twilio: Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica

> Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica. Detected 2026-11-12 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r82c2fba11c47cb
Last updated: 2026-11-12T23:33:39Z

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-11-12 23:33 UTC · Detected: 2026-11-12 23:33 UTC
- [Source: https://status.twilio.com/incidents/byymx2cv0kt1](https://status.twilio.com/incidents/byymx2cv0kt1)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/byymx2cv0kt1@439bfb97989a → after incident\_version:125/byymx2cv0kt1@9e97900c1f0f
- Change 1 of 2 for this incident

Incident page (full timeline): [SMS Delivery Receipt Failures from Twilio to Claro Costa Rica](https://rewindex.com/company/twilio/incidents/byymx2cv0kt1.md)
## What changed

**1. Added: Update** (investigating) · 2026-11-12 23:31 UTC

```diff
+ Twilio customers may be experiencing SMS delivery receipt failures from Twilio to Claro network subscribers in Costa Rica. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be failing. We will provide another update in 2 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-11-12 23:33 UTC | Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica (this change) |  |
| 2026-11-13 01:43 UTC | [Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica](https://rewindex.com/change/re7c7300ac2876c.md) |  |

Next: [change](https://rewindex.com/change/re7c7300ac2876c.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 Receipt Failures from Twilio to Claro Costa Rica on Twilio’s status page, changed 2026-11-12 23:33 UTC (change 1 of 2).

- Canonical URL: https://rewindex.com/change/r82c2fba11c47cb
- Citation: Twilio, “Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica” (2026-11-12 23:33 UTC). Archived by Rewindex: https://rewindex.com/change/r82c2fba11c47cb (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica (2026-11-12)](https://rewindex.com/change/r82c2fba11c47cb)`


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Canonical: https://rewindex.com/change/r82c2fba11c47cb · Markdown: https://rewindex.com/change/r82c2fba11c47cb.md · JSON: https://rewindex.com/api/v1/changes/r82c2fba11c47cb · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-13T02:17:28.647Z