Outage in SendGrid
SMS Delivery Receipt Delays from Twilio to CTBC Brazil
Minor
September 28, 2026 - Started 1 day ago
Official incident page
Official incident page
Incident Report
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
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Latest Updates ( sorted recent to last )
IDENTIFIED
about 14 hours ago - at 09/29/2026 05:23AM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
IDENTIFIED
about 22 hours ago - at 09/28/2026 09:23PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
IDENTIFIED
1 day ago - at 09/28/2026 05:22PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
IDENTIFIED
1 day ago - at 09/28/2026 03:17PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
IDENTIFIED
1 day ago - at 09/28/2026 02:12PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
INVESTIGATING
1 day ago - at 09/28/2026 01:25PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to CTBC network subscribers in Brazil. 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.
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