SendGrid incident: Voice Call Failures from Twilio Phone Numbers to Core Communications United States

1. resolvedAug 3, 2026, 16:36 UTC

   We have completed our investigation and determined that this event did not result in any customer impact. Therefore, voice calls from Twilio Phone Numbers to network subscribers in the United States are operating normally.

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 356 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 17m. See SendGrid's uptime and incident history