SendGrid incident: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom

Affected components

• Verify Silent Network Auth

1. resolvedOct 25, 2026, 13:22 UTC

   The incident has been resolved and API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom are operating normally.

2. monitoringOct 25, 2026, 11:15 UTC

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

3. monitoringOct 25, 2026, 07:15 UTC

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

4. monitoringOct 25, 2026, 05:10 UTC

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

5. investigatingOct 25, 2026, 02:20 UTC

   Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. 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 8 hours or as soon as more information becomes available.

6. investigatingOct 24, 2026, 22:20 UTC

   Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. 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 4 hours or as soon as more information becomes available.

7. investigatingOct 24, 2026, 19:43 UTC

   Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. 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.

8. investigatingOct 24, 2026, 18:42 UTC

   Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. 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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