User Authentication Identity Gateway API Failure Increase and High Latency for T-Mobile in United States

Incident Report for Twilio

Resolved

We have observed a recovery in User Authentication Identity Gateway API failure increase and high latency for T-Mobile in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Posted May 06, 2026 - 06:15 PDT

Update

We have observed a recovery in User Authentication Identity Gateway API failure increase and 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.

Posted May 06, 2026 - 04:10 PDT

Update

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase and high latency for T-Mobile in the United States. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted May 06, 2026 - 04:09 PDT

Monitoring

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase and Gateway API high latency for T-Mobile in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted May 06, 2026 - 02:03 PDT

Investigating

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase and 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.

Posted May 06, 2026 - 01:01 PDT

This incident affected: CARRIER NETWORK (Lookup SIM Swap, Legacy Identity MatchAndAttributes).