Companies / SendGrid / incidents

SendGrid: SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to Multiple Networks in New Zealand

Affected components: CARRIER NETWORK - SMS, APACSMS, APAC

Timeline of updates

1. investigating2026-10-10 03:43 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

2. identified2026-10-10 04:48 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

3. identified2026-10-10 05:49 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

4. identified2026-10-10 07:49 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

5. identified2026-10-10 11:50 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

6. identified2026-10-10 19:51 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

7. identified2026-10-11 11:51 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

8. identified2026-10-12 11:52 UTC

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in New Zealand. 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.

9. monitoring2026-10-12 16:57 UTC

   We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to multiple networks in New Zealand and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

10. resolved2026-10-12 18:59 UTC

    The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to affected networks in New Zealand are 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