# Twilio: Our Engineers are Reporting a Retroactive Issue with SHAKEN/STIR Signing Failures

> Twilio status incident “Our Engineers are Reporting a Retroactive Issue with SHAKEN/STIR Signing Failures” on 2021-05-24: impact minor (vendor’s label), 16 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6
Last updated: 2021-05-24T19:33:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-05-24 19:17 UTC · Resolved: 2021-05-24 19:33 UTC · Duration: 16 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/0fw2p6hq5nh6](https://status.twilio.com/incidents/0fw2p6hq5nh6)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-05-24 19:33 UTC: Our engineers are currently investigating the customer impact of a retroactive issue with SHAKEN/STIR on Saturday May 22, 5:26 PM to 5:56 PM PST due to Network Timeouts. During this period, customers may have experienced signing failures. We will follow up and provide customer impact details within 2 hours.

_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 2021-05-24 19:17 UTC, resolved after 16 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6
- Citation: Twilio, “Our Engineers are Reporting a Retroactive Issue with SHAKEN/STIR Signing Failures” (2021-05-24 19:17 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6 (CC BY 4.0).
- Markdown link: `[Twilio: Our Engineers are Reporting a Retroactive Issue with SHAKEN/STIR Signing Failures (2021-05-24)](https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6)`


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Canonical: https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6 · Markdown: https://rewindex.com/company/twilio/incidents/0fw2p6hq5nh6.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/0fw2p6hq5nh6 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T21:23:36.220Z