Outage in Zipwhip

SMS Delivery Delays from Twilio to Softbank Japan

Resolved Minor

March 30, 2026 - Started 21 days ago - Lasted about 5 hours
Official incident page

Incident Report

Twilio customers may be experiencing SMS delivery delays from Twilio to Softbank network subscribers in Japan. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

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Latest Updates ( sorted recent to last )

RESOLVED 20 days ago - at 03/30/2026 04:01PM

The incident has been resolved and SMS delivery from Twilio to Softbank network subscribers in Japan is operating normally.

MONITORING 20 days ago - at 03/30/2026 02:07PM

We have observed a recovery in SMS delivery from Twilio to Softbank network subscribers in Japan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 20 days ago - at 03/30/2026 12:20PM

Twilio customers may be experiencing SMS delivery delays from Twilio to Softbank network subscribers in Japan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 21 days ago - at 03/30/2026 11:20AM

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