Twilio incident

SMS Delivery Failures from Twilio Phone Numbers to MTN Zambia

Minor Resolved View vendor source →

Twilio experienced a minor incident on August 25, 2026 affecting SMS, Middle East & Africa, lasting 11h 55m. The incident has been resolved; the full update timeline is below.

Started
Aug 25, 2026, 06:07 PM UTC
Resolved
Aug 26, 2026, 06:02 AM UTC
Duration
11h 55m
Detected by Pingoru
Aug 25, 2026, 06:07 PM UTC

Affected components

SMS, Middle East & Africa

Update timeline

  1. investigating Aug 25, 2026, 06:07 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to MTN network subscribers in Zambia. 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 25, 2026, 06:10 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to MTN 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.

  3. identified Aug 25, 2026, 07:15 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to MTN network subscribers in Zambia. 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 25, 2026, 09:17 PM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to MTN network subscribers in Zambia. 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 26, 2026, 01:25 AM UTC

    Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to MTN network subscribers in Zambia. 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 26, 2026, 03:48 AM UTC

    We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN 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.

  7. monitoring Aug 26, 2026, 05:56 AM UTC

    We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN 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.

  8. resolved Aug 26, 2026, 06:02 AM UTC

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