Twilio incident

SMS Delivery Delays from Twilio to KDDI Corporation Japan

Minor Resolved View vendor source →

Twilio experienced a minor incident on August 15, 2026 affecting SMS, APAC, lasting 18h 20m. The incident has been resolved; the full update timeline is below.

Started
Aug 15, 2026, 06:58 AM UTC
Resolved
Aug 16, 2026, 01:18 AM UTC
Duration
18h 20m
Detected by Pingoru
Aug 15, 2026, 06:58 AM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Aug 15, 2026, 06:58 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation 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.

  2. identified Aug 15, 2026, 06:59 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation network subscribers in Japan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

  3. identified Aug 15, 2026, 07:59 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI 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.

  4. identified Aug 15, 2026, 10:00 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI Corporation network subscribers in Japan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

  5. identified Aug 15, 2026, 02:09 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI network subscribers in Japan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

  6. identified Aug 15, 2026, 10:10 PM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to KDDI network subscribers in Japan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

  7. monitoring Aug 15, 2026, 10:50 PM UTC

    We have observed a recovery in SMS delivery from Twilio to KDDI 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.

  8. monitoring Aug 16, 2026, 12:50 AM UTC

    We have observed a recovery in SMS delivery from Twilio to KDDI network subscribers in Japan and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  9. resolved Aug 16, 2026, 01:18 AM UTC

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