Twilio incident: Voice Call Failures from T-Mobile United States to a Subset of Twilio United States Phone Numbers

1. resolvedAug 18, 2026, 16:35 UTC

   We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Twilio'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 Twilio have incidents?

Twilio reported 500 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 5h 49m. See Twilio's uptime and incident history