# SendGrid: Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) High Latency on KPN in Netherlands

- Provider: [SendGrid](https://outages.cc/sendgrid.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-30 16:26 UTC
- Resolved: 2026-10-31 04:41 UTC (lasted 12 h 15 min)
- Components: Verify Silent Network Auth, Lookup Identity Match, Lookup SIM Swap, Legacy Identity MatchAndAttributes, CARRIER NETWORK - Verify Silent Network Auth, CARRIER NETWORK - Lookup Identity Match, CARRIER NETWORK - Lookup SIM Swap, CARRIER NETWORK - Legacy Identity MatchAndAttributes
- Official update: https://stspg.io/3r6s2lcxmlb3

## Updates from SendGrid

### resolved, 2026-10-31 04:41 UTC

The incident has been resolved and API transactions for Silent Network Authentication (SNA) on KPN in Netherlands and Lookup API transactions involving KPN in Netherlands are operating normally.

### monitoring, 2026-10-31 03:41 UTC

We have observed the recovery in API transactions for Silent Network Authentication (SNA) on KPN in Netherlands and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

### monitoring, 2026-10-30 23:41 UTC

We have observed the recovery in API transactions for Silent Network Authentication (SNA) and the recovery for Lookup API transactions involving KPN in Netherlands and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

### monitoring, 2026-10-30 21:40 UTC

We have observed the recovery in API transactions for Silent Network Authentication (SNA) and Lookup API transactions involving KPN in the Netherlands and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### identified, 2026-10-30 21:40 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and increased latency for Lookup API transactions on KPN in Netherlands. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team is actively investigating the issue. We will provide another update in 1 hour or as soon as more information becomes available.

### investigating, 2026-10-30 20:42 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and increased latency for Lookup API transactions on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hours or as soon as more information becomes available.

### investigating, 2026-10-30 20:41 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and increased latency for Lookup API transactions on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1.1 hours or as soon as more information becomes available.

### investigating, 2026-10-30 19:28 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and increased latency for Lookup API transactions on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1.1 hours or as soon as more information becomes available.

### investigating, 2026-10-30 18:21 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) and increased latency for Lookup API transactions on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1.1 hours or as soon as more information becomes available.

### investigating, 2026-10-30 17:26 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 2 hours or as soon as more information becomes available.

### investigating, 2026-10-30 16:26 UTC

Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on KPN in Netherlands. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hour or as soon as more information becomes available.