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

Affected components

• Verify Silent Network Auth

1. resolvedOct 11, 2026, 11:59 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 11, 2026, 07:58 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.

3. monitoringOct 11, 2026, 05:58 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.

4. identifiedOct 11, 2026, 05:17 UTC

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

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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