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

Event timeline

How this incident unfolded, from the official status page.

1. Investigating

   14 days ago

   SendGrid

   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. Identified

   14 days ago

   SendGrid

   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. Identified

   14 days ago

   SendGrid

   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. Identified

   14 days ago

   SendGrid

   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. Identified

   14 days ago

   SendGrid

   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. Identified

   14 days ago

   SendGrid

   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. Identified

   13 days ago

   SendGrid

   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. Identified

   12 days ago

   SendGrid

   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. Monitoring

   12 days ago

   SendGrid

   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. Resolved

    12 days ago

    SendGrid

    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.