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SendGrid: SMS Delivery Delays and Failures from Twilio to Zamtel Zambia

Affected components: CARRIER NETWORK - SMS, Middle East & AfricaSMS, Middle East & Africa

Timeline of updates

1. investigating2026-10-10 07:03 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel 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. investigating2026-10-10 08:03 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigating2026-10-10 10:04 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. monitoring2026-10-10 11:19 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.

5. resolved2026-10-10 13:22 UTC

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

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). SendGrid profile · Recent SendGrid incidents · Markdown · JSON