Twilio incident

SMS Delivery Delays from Twilio to Zamtel Zambia

Minor Resolved View vendor source →

Twilio experienced a minor incident on July 30, 2026 affecting SMS, Middle East & Africa, lasting 7h 31m. The incident has been resolved; the full update timeline is below.

Started
Jul 30, 2026, 05:23 AM UTC
Resolved
Jul 30, 2026, 12:54 PM UTC
Duration
7h 31m
Detected by Pingoru
Jul 30, 2026, 05:23 AM UTC

Affected components

SMS, Middle East & Africa

Update timeline

  1. identified Jul 30, 2026, 05:23 AM UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Zamtel network subscribers in Zambia. 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.

  2. monitoring Jul 30, 2026, 06:18 AM UTC

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

  3. monitoring Jul 30, 2026, 08:19 AM UTC

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

  4. monitoring Jul 30, 2026, 12:25 PM UTC

    We have observed a recovery in SMS delivery from Twilio to Zamtel network subscribers in Zambia and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  5. resolved Jul 30, 2026, 12:54 PM UTC

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