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

> Twilio status incident “Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom” on 2026-10-28: impact minor (vendor’s label), 3.8 h, 6 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj
Last updated: 2026-10-28T19:44:22Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-28 15:54 UTC · Resolved: 2026-10-28 19:39 UTC · Duration: 3.8 h
- Updates: 6 · Affected components: CARRIER NETWORK - Lookup Identity Match, CARRIER NETWORK - Verify Silent Network Auth, Lookup Identity Match, Verify Silent Network Auth
- [Vendor status page: https://status.twilio.com/incidents/xgmn4ck4q5xj](https://status.twilio.com/incidents/xgmn4ck4q5xj)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **investigating** 2026-10-28 15:54 UTC: 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. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hour or as soon as more information becomes available.
- **identified** 2026-10-28 15:54 UTC: 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 1 hour or as soon as more information becomes available.
- **identified** 2026-10-28 16:55 UTC: 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.
- **monitoring** 2026-10-28 17:32 UTC: We have observed recovery in API transactions for Silent Network Authentication (SNA) and the recovery for Lookup API transactions involving EE in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- **monitoring** 2026-10-28 19:38 UTC: We have observed recovery in API transactions for Silent Network Authentication (SNA) and for Lookup API transactions involving EE in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- **resolved** 2026-10-28 19:39 UTC: The incident has been resolved and API transactions for Silent Network Authentication (SNA) and Lookup API transactions involving EE in the United Kingdom are operating normally.

## Rewindex changes for this incident

- 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](https://rewindex.com/change/rd62c2eb0714436.md)
- 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)
- 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)

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2026-10-28 15:54 UTC, resolved after 3.8 h, 6 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj
- Citation: Twilio, “Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom” (2026-10-28 15:54 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj (CC BY 4.0).
- Markdown link: `[Twilio: Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (2026-10-28)](https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj)`


---
Canonical: https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj · Markdown: https://rewindex.com/company/twilio/incidents/xgmn4ck4q5xj.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/xgmn4ck4q5xj · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:06:18.856Z