Twilio incident
User Authentication Identity Gateway API High Latency for T-Mobile in United States
Twilio experienced a minor incident on July 27, 2026 affecting Lookup SIM Swap, lasting 3h 6m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 27, 2026, 09:51 PM UTC
Twilio customers may be experiencing User Authentication Identity Gateway API high latency for T-Mobile in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Jul 27, 2026, 10:05 PM UTC
Twilio customers may be experiencing User Authentication Identity Gateway API high latency for T-Mobile in the United States. 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.
- monitoring Jul 27, 2026, 10:58 PM UTC
We have observed a recovery in User Authentication Identity Gateway API high latency for T-Mobile in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Jul 28, 2026, 12:57 AM UTC
The incident has been resolved and User Authentication Identity Gateway API high latency for T-Mobile in the United States is operating normally.