# Twilio: Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom

> Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom. Detected 2026-10-28 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/rd62c2eb0714436
Last updated: 2026-10-28T17:03:47Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-28 17:03 UTC · Detected: 2026-10-28 17:03 UTC
- [Source: https://status.twilio.com/incidents/xgmn4ck4q5xj](https://status.twilio.com/incidents/xgmn4ck4q5xj)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/xgmn4ck4q5xj@1b701b4d39f7 → after incident\_version:125/xgmn4ck4q5xj@8e0899e5ca0d
- Change 1 of 3 for this incident

Incident page (full timeline): [Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom](https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj.md)
## What changed

**1. Added: Update** (identified) · 2026-10-28 16:55 UTC

```diff
+ Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) and failure responses for Lookup API transactions on EE in the United Kingdom. API transactions may temporarily fail over to secondary methods like SMS OTP. 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 |
| --- | --- | --- |
| 2026-10-28 17:03 UTC | Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (this change) | Normal progress |
| 2026-10-28 17:34 UTC | [Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom](https://rewindex.com/change/raf8704829be78d.md) | Normal progress |
| 2026-10-28 19:44 UTC | [Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom](https://rewindex.com/change/r19075e4c177c83.md) | Normal progress |

Next: [change](https://rewindex.com/change/raf8704829be78d.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: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom on Twilio’s status page, changed 2026-10-28 17:03 UTC (change 1 of 3).

- Canonical URL: https://rewindex.com/change/rd62c2eb0714436
- Citation: Twilio, “Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom” (2026-10-28 17:03 UTC). Archived by Rewindex: https://rewindex.com/change/rd62c2eb0714436 (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (2026-10-28)](https://rewindex.com/change/rd62c2eb0714436)`


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Canonical: https://rewindex.com/change/rd62c2eb0714436 · Markdown: https://rewindex.com/change/rd62c2eb0714436.md · JSON: https://rewindex.com/api/v1/changes/rd62c2eb0714436 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:53:02.846Z
