SendGrid incident: Gateway API (Lookup API) Failure Increase on Three in United Kingdom

Affected components

• Legacy Identity MatchAndAttributes
• Lookup Identity Match
• Lookup SIM Swap

1. resolvedOct 27, 2026, 19:27 UTC

   The incident has been resolved and Lookup API transactions involving Three in the United Kingdom are operating normally.

2. monitoringOct 27, 2026, 17:19 UTC

   We have observed the recovery for Lookup API transactions involving Three 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.

3. identifiedOct 27, 2026, 16:17 UTC

   Twilio customers may be experiencing failure responses for Lookup API transactions on Three in United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

4. investigatingOct 27, 2026, 15:15 UTC

   Twilio customers may be experiencing failure responses for Lookup API transactions on Three in the United Kingdom. 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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How often does SendGrid have incidents?

SendGrid reported 498 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 9m. See SendGrid's uptime and incident history