# User Authentication Identity Gateway API High Latency for T-Mobile in United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 3h 4m
- started 2026-04-15 02:18 UTC
- Lookup SIM Swap
- us
- id: DWN-71c2c99c46
- Official page: https://stspg.io/0vvm6mvdf054

## Updates from Twilio
### 2026-04-15 02:18 UTC: investigating
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.

### 2026-04-15 03:21 UTC: monitoring
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.

### 2026-04-15 05:22 UTC: resolved
The incident has been resolved and User Authentication Identity Gateway API high latency for T-Mobile in the United States is operating normally.

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