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

Affected components

• Legacy Identity MatchAndAttributes
• Lookup Identity Match
• Lookup SIM Swap
• Verify Silent Network Auth

1. resolvedOct 31, 2026, 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.

2. monitoringOct 31, 2026, 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.

3. monitoringOct 30, 2026, 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.

4. monitoringOct 30, 2026, 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.

5. identifiedOct 30, 2026, 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.

6. investigatingOct 30, 2026, 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.

7. investigatingOct 30, 2026, 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.

8. investigatingOct 30, 2026, 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.

9. investigatingOct 30, 2026, 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.

10. investigatingOct 30, 2026, 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.

11. investigatingOct 30, 2026, 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.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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