Outage in Twilio
Inconsistencies with Suppressions - Block Lists
Resolved MinorIncident Report
Summary AI Generated
Starting around 11:45 AM PDT on August 31, 2026, Twilio's SendGrid experienced inconsistencies in Suppression - Blocks list data, affecting both the API (v3/suppression/blocks) and the UI dashboard for users in certain regions. Mail delivery was not impacted throughout the incident. After approximately 20.8 hours of investigation, engineers confirmed a fix on September 1, 2026, restoring normal and timely updates to block suppression data across all affected regions.
Starting around 11:45 AM PDT, our engineers began investigating an issue where users may experience inconsistencies while viewing Suppression - Blocks list data via API (v3/suppression/blocks) and the dashboard. Mail send is not impacted. We will provide another update in an hour or as soon as more information becomes available.
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Latest Updates ( sorted recent to last )
RESOLVED
21 days ago - at 09/01/2026 04:27PM
Our engineers have monitored the fix and confirmed that the issue with Suppression Blocks List Data Inconsistencies has been resolved. The previous impact where a subset of requests from certain regions may not have received timely updates on Block suppressions has been resolved for the SendGrid UI dashboard and for the API. All services are now operating normally at this time.
MONITORING
21 days ago - at 09/01/2026 04:27AM
We are continuing to monitor the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail delivery is fully operational. We will provide the next update tomorrow morning PDT or sooner if details change.
INVESTIGATING
22 days ago - at 09/01/2026 03:41AM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 09/01/2026 02:45AM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 09/01/2026 01:43AM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 09/01/2026 12:33AM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 08/31/2026 11:32PM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 08/31/2026 10:33PM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 08/31/2026 09:36PM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 08/31/2026 08:42PM
Our engineers are continuing to investigate the issue causing inconsistencies with Suppression - Blocks list data (v3/suppression/blocks). Mail send remains unaffected. We will provide another update in an hour or as soon as more information becomes available.
INVESTIGATING
22 days ago - at 08/31/2026 07:45PM
Starting around 11:45 AM PDT, our engineers began investigating an issue where users may experience inconsistencies while viewing Suppression - Blocks list data via API (v3/suppression/blocks) and the dashboard. Mail send is not impacted. We will provide another update in an hour or as soon as more information becomes available.
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