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SMS Delivery Delays and Failures from Twilio to Zamtel Zambia

Minor Impact Resolved Duration: 6h 21m October 10, 2026
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Current answer

SendGrid experienced a minor incident: SMS Delivery Delays and Failures from Twilio to Zamtel Zambia. ServiceAlert observed recovery on Oct 10, 2026.

Official SendGrid status page Current SendGrid status ServiceAlert observed status change:

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Incident Lifecycle

Investigating Investigating Investigating Monitoring
Affected Components
SMS, Middle East & Africa

Incident Timeline

Monitoring
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.
Oct 10, 2026 at 11:19 AM UTC
Investigating
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.
Oct 10, 2026 at 10:04 AM UTC
Investigating
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.
Oct 10, 2026 at 8:03 AM UTC
Investigating
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.
Oct 10, 2026 at 7:03 AM UTC
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