SendGrid incident: Voice Call Failures Between a Subset of Twilio Phone Numbers and Multiple Networks in Japan

1. resolvedAug 21, 2026, 04:50 UTC

   Upon further investigation into reported voice call disruptions in Japan, our team verified that the impact is limited to a single account rather than a platform-wide issue. Consequently, we are closing this public status page entry. Our team has reached out directly to the impacted customer to deliver targeted support and resolution details.

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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