Twilio incident

SMS Delivery Failures from Twilio to Zong Pakistan

Minor Resolved View vendor source →

Twilio experienced a minor incident on August 12, 2026 affecting SMS, APAC, lasting 10h 48m. The incident has been resolved; the full update timeline is below.

Started
Aug 12, 2026, 01:38 PM UTC
Resolved
Aug 13, 2026, 12:26 AM UTC
Duration
10h 48m
Detected by Pingoru
Aug 12, 2026, 01:38 PM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Aug 12, 2026, 01:38 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 12, 2026, 01:48 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 12, 2026, 02:48 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 12, 2026, 04:49 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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 12, 2026, 08:49 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio to Zong network subscribers in Pakistan. 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. monitoring Aug 12, 2026, 10:22 PM UTC

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

  7. resolved Aug 13, 2026, 12:26 AM UTC

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