# Twilio: SMS Delivery Delays To Multiple US Networks Causing Delays in Authy 2FA and Verify Retry Attempts

> Twilio status incident “SMS Delivery Delays To Multiple US Networks Causing Delays in Authy 2FA and Verify Retry Attempts” on 2021-12-07: impact minor (vendor’s label), 7.3 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/klqd16vk856s
Last updated: 2021-12-07T07:27:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-12-07 00:09 UTC · Resolved: 2021-12-07 07:27 UTC · Duration: 7.3 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/klqd16vk856s](https://status.twilio.com/incidents/klqd16vk856s)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-12-07 07:27 UTC: We are no longer experiencing SMS delivery delays with Authy 2FA and Verify to multiple US networks. This incident has been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2021-12-07 00:09 UTC, resolved after 7.3 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/klqd16vk856s
- Citation: Twilio, “SMS Delivery Delays To Multiple US Networks Causing Delays in Authy 2FA and Verify Retry Attempts” (2021-12-07 00:09 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/klqd16vk856s (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays To Multiple US Networks Causing Delays in Authy 2FA and Verify Retry Attempts (2021-12-07)](https://rewindex.com/company/twilio/incidents/klqd16vk856s)`


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Canonical: https://rewindex.com/company/twilio/incidents/klqd16vk856s · Markdown: https://rewindex.com/company/twilio/incidents/klqd16vk856s.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/klqd16vk856s · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:56:46.510Z