SendGrid incident: SMS Delivery Receipt Delays from Twilio to MTN Cameroon

Affected components

• SMS, Middle East & Africa

1. resolvedSep 26, 2026, 20:32 UTC

   The incident has been resolved and SMS delivery receipts from Twilio to MTN network subscribers in Cameroon are operating normally.

2. monitoringSep 26, 2026, 17:00 UTC

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

3. monitoringSep 26, 2026, 14:49 UTC

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

4. identifiedSep 25, 2026, 18:34 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.

5. identifiedSep 25, 2026, 02:34 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.

6. identifiedSep 24, 2026, 18:25 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.

7. identifiedSep 24, 2026, 14:25 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

8. identifiedSep 24, 2026, 12:24 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

9. identifiedSep 24, 2026, 11:24 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

10. investigatingSep 24, 2026, 11:13 UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to MTN network subscribers in Cameroon. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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