Twilio incident: SMS Delivery Delays from Twilio Phone Numbers to T-Mobile United States

1. resolvedMay 21, 2026, 20:12 UTC

   We have been able to confirm stability and recovery with the traffic sent to T-Mobile Network in the US , and we are resolve the issue.

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