Twilio: AccSec Verizon US API Error - Unsupported Subscriber
Timeline of updates
- resolved
The incident affecting Verify API Silent Network Auth method which caused users to receive an "Unsupported Subscriber" error response has now been resolved. It was determined that the incident was related to incompatible handsets and was not caused by degraded carrier performance. The service is operational at this time.
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Twilio, started 2023-12-01 06:59 UTC, resolved after 3 d, 1 update(s).
- Title
- AccSec Verizon US API Error - Unsupported Subscriber
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/nqqk3t1tfvrn
Twilio profileRecent Twilio incidentsAll outages on December 1, 2023Twilio in December 2023MarkdownJSON