Outage in Twilio

Elevated Stir/Shaken Signing Failure for Calls

Resolved Minor
October 26, 2025 - Started 3 days ago - Lasted about 2 hours
Official incident page

Incident Report

We are experiencing Elevated Stir/Shaken Signing Failure for Calls. Our engineers are working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio PSTN

Need to monitor Twilio outages?

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Start Free Trial
Latest Updates ( sorted recent to last )
RESOLVED 3 days ago - at 10/26/2025 06:51PM

Elevated Stir/Shaken Signing Failure for Calls has been resolved and is operating normally at this time.

IDENTIFIED 3 days ago - at 10/26/2025 06:29PM

Our engineers have identified the issue causing Elevated Stir/Shaken Signing Failure for Calls and are working to deploy a fix. We expect to provide another update in 1 hour or as soon as more information becomes available.

MONITORING 3 days ago - at 10/26/2025 06:03PM

We have started seeing recovery on the Elevated Stir/Shaken Signing Failure for Calls. We will continue to monitor to ensure a full recovery. We expect to provide another update in 30 minutes or as soon as more information becomes available.

INVESTIGATING 3 days ago - at 10/26/2025 05:59PM

We have started seeing recovery on the Elevated Stir/Shaken Signing Failure for Calls. We will continue to monitor to ensure a full recovery. We expect to provide another update in 30 minutes or as soon as more information becomes available.

INVESTIGATING 3 days ago - at 10/26/2025 04:59PM

We are experiencing Elevated Stir/Shaken Signing Failure for Calls. Our engineers are working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Latest Twilio outages

SMS Delivery Delays to Google Voice in United States of America via Subset of Shortcodes - about 2 hours ago
Issue with port-in requests - about 4 hours ago
Flex Insights Historical Reporting Platform Outage - about 5 hours ago
SMS Delivery Delays and Failures to Globe in Philippines - about 6 hours ago
SMS Delivery Delays to Small US Carriers in United States of America for a Subset of Toll Free Numbers - about 8 hours ago

The Status Page Aggregator Built for IT Teams

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4522 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook