Duration: 14 days and 21 hours

Affected Components: SendGrid (email delivery)

Sep 4, 17:53:40 GMT+0
Monitoring - We are continuing to seeing a recovery in our services for customer sending to Microsoft and MS 365 supported recipients, and we'll continue to monitor. Microsoft has acknowledged this issue here: https://x.com/MSFT365Status and we kindly ask our customers to reach out to them for more updates We'll provide more updates in 3 hours or as soon as they become available.

Sep 4, 18:56:09 GMT+0
Resolved - Our engineers have monitored the issue and confirmed the issue with email deliveries to Microsoft has recovered to normal levels. All services are now operating normally at this time..

Sep 4, 11:40:07 GMT+0
Investigating - Starting around 3:30 PST on September the 4th, our engineers began investigating an issue with all emails being delivered to Microsoft. Users may experience different 5XX errors such as: Email was deferred due to the following reason(s): [IPs were throttled by recipient server: Mail send is affected only when sending to Microsoft supported services We will provide another update in an hour or as soon as more information becomes available..

Sep 4, 13:21:35 GMT+0
Monitoring - We are seeing a recovery in our services for customer sending to Microsoft and MS 365 supported recipients, and we'll continue to monitor. Microsoft has acknowledged this issue here: https://x.com/MSFT365Status and we kindly ask our customers to reach out to them for more updates We'll provide more updates in 2 hours or as soon as they become available.

Sep 4, 12:59:09 GMT+0
Identified - Our engineers have identified the cause of the incident to be a change in the delivery policies with Microsoft as it has been acknowledged on their status post here: https://x.com/MSFT365Status. We encourage the customers to reach out to them directly for more information and updates including the affected IP and the exact message received. Errors such as "IPs throttled by recipient server" is a preemptive deferral in response to the "Server too busy" error, so we suggest that all errors should be read as literal and reach out Microsoft if you need more details on this: https://olcsupport.office.com/, and for Office 365 Anti-Spam IP delisting portal here: https://sender.office.com/ and their address for delisting is delist@microsoft.com. We will provide another update in 2 hours or as soon as more information becomes available..

Sep 4, 15:21:30 GMT+0
Monitoring - We are continuing to seeing a recovery in our services for customer sending to Microsoft and MS 365 supported recipients, and we'll continue to monitor. Microsoft has acknowledged this issue here: https://x.com/MSFT365Status and we kindly ask our customers to reach out to them for more updates We'll provide more updates in 2 hours or as soon as they become available.

Duration: 9 days, 3 hours and 47 minutes

Affected Components: Deepgram (transcription)

Aug 4, 14:30:34 GMT+0
Investigating - We are currently investigating an issue where batch and streaming STT requests have degraded performance..

Aug 4, 15:21:42 GMT+0
Monitoring - An ISP network failure resulted in poor performance along one network path, resulting in degraded performance that primarily affected STT traffic. All network traffic is now routed through a high quality network path and services have recovered. We are actively monitoring..

Aug 4, 18:10:21 GMT+0
Resolved - This incident has been resolved..

Jul 29, 16:00:07 GMT+0
Identified - Scheduled maintenance is currently in progress. We will provide updates as necessary..

Jul 9, 12:10:20 GMT+0
Scheduled - On July 29, 2026 at 9:00 AM PT (originally planned for July 22), SendGrid incident and maintenance notifications will move to the Twilio Status Page: https://status.twilio.com. Your existing SendGrid Status Page subscription will be migrated. Depending on how you currently receive notifications, you may need to confirm your subscription to continue receiving updates. What to expect: EMAIL SUBSCRIBERS: You should have received a confirmation email from status-help@statuspage.twilio.com on July 13 or 14. You must confirm your subscription via the email to continue receiving updates. SMS SUBSCRIBERS: You should have received a confirmation email from status-help@statuspage.twilio.com on July 13 or 14. You must confirm your subscription via the message to continue receiving updates. WEBHOOK SUBSCRIBERS: No action is required. Your webhook subscription will be migrated automatically and will continue to receive notifications without interruption. Post migration, you will continue to receive notifications for the SendGrid services you are currently subscribed to, delivered from the Twilio Status Page. Thank you for your continued trust in Twilio and SendGrid..

Jul 29, 15:00:22 GMT+0
Scheduled - Maintenance will begin as scheduled in 60 minutes..

Duration: 3 days, 12 hours and 51 minutes

Affected Components: OpenAI (AI fallback)

Jul 29, 00:55:27 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 29, 01:39:33 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 29, 02:20:19 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 26 days, 19 hours and 47 minutes

Affected Components: Deepgram (transcription)

Jul 28, 14:00:48 GMT+0
Investigating - We are currently investigating an issue where some batch requests are returning 400 errors due to remote content download errors. Retrying the request one or more times often succeeds..

Jul 28, 15:57:17 GMT+0
Investigating - We are continuing to investigate this issue..

Jul 28, 15:57:50 GMT+0
Monitoring - A fix has been implemented and we are monitoring the results..

Jul 28, 15:58:34 GMT+0
Monitoring - We are continuing to monitor for any further issues..

Jul 28, 16:03:10 GMT+0
Investigating - We are continuing to investigate an issue. STT batch requests may have returned 5xx errors, and some STT websockets may have experienced high latency, starting at 16:03 UTC..

Jul 28, 16:34:10 GMT+0
Monitoring - A fix has been implemented and traffic has returned to normal. We are monitoring the results..

Jul 29, 13:08:35 GMT+0
Resolved - This incident has been resolved..

Duration: 1 day, 12 hours and 39 minutes

Affected Components: OpenAI (AI fallback)

Jul 27, 15:30:00 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 27, 17:30:00 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 21 hours and 37 minutes

Affected Components: OpenAI (AI fallback)

Jul 25, 11:35:24 GMT+0
Identified - We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation..

Jul 25, 11:46:39 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 25, 11:57:02 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 4 days, 14 hours and 47 minutes

Affected Components: OpenAI (AI fallback)

Jul 25, 09:17:49 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 25, 10:02:52 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 25, 11:08:36 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 18 days and 13 hours

Jul 24, 12:06:36 GMT+0
Investigating - Starting around 4:09 am PST on Jul/24, our engineers began investigating an issue related to low success rates in the us-west-2 region. Customer shouldn't experience impact. This does not impact mail send. We will provide another update in an hour or as soon as more information becomes available..

Jul 24, 12:09:07 GMT+0
Monitoring - At 4:21 PST our engineers have isolated the degraded region and removed it from load balancing and are now mitigated and observing. We will provide another update in an hour or as soon as more information becomes available..

Jul 24, 19:31:37 GMT+0
Resolved - Our engineers have monitored the fix and confirmed the issue has been resolved. All services are now operating normally at this time..

Duration: 6 days, 3 hours and 25 minutes

Jul 24, 01:40:20 GMT+0
Investigating - Our engineers began investigating an issue with customers getting "no IPs are available for this account" when sending emails. Users may experience delays in email delivery.We will provide another update in 1 hour or as soon as more information becomes available..

Jul 24, 02:06:24 GMT+0
Identified - Our engineers have identified the issue and are working toward a fix. We will provide another update in an hour or as soon as more information becomes available..

Jul 24, 02:22:38 GMT+0
Monitoring - Our engineers have identified the problem and implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available..

Jul 24, 03:33:41 GMT+0
Monitoring - Our engineers are continuing to monitor the fix. Please note that email requests are now being delivered as expected for customers using shared IPs.We will provide another update in 4 hours or as soon as more information becomes available..

Jul 24, 04:07:46 GMT+0
Resolved - Our engineers have monitored the fix and confirmed the issue with shared Ips has been resolved. All services are now operating normally at this time..

Duration: 10 days, 21 hours and 19 minutes

Affected Components: OpenAI (AI fallback)

Jul 23, 15:36:02 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 23, 15:56:57 GMT+0
Identified - We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation..

Jul 23, 16:08:37 GMT+0
Identified - We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation..

Jul 23, 16:48:54 GMT+0
Identified - We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation with the downstream infrastructure provider..

Jul 23, 17:36:32 GMT+0
Identified - We are continuing to work on implementing a mitigation..

Jul 23, 17:58:26 GMT+0
Identified - We are continuing to work on implementing a mitigation..

Jul 23, 18:50:34 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 23, 19:37:21 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 23, 20:22:48 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 24, 09:56:47 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 24, 10:06:05 GMT+0
Investigating - We are investigating the issue for the listed services..

Jul 24, 11:34:20 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jul 24, 19:33:22 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 2 days, 1 hour and 24 minutes

Jun 24, 18:05:02 GMT+0
Investigating - Starting around 9:40 AM PST on June 24th 2026, our engineers began investigating an issue with Click Tracked links from EU Regionalized configured senders not working. Users may experience recipients seeing a 'Your connection is not private' when clicking links sent from EU regionalized configured accounts. This does not impact mail send. This does not impact accounts configured for Global sending. We will provide another update in 1 hour or as soon as more information becomes available..

Jun 24, 18:10:51 GMT+0
Identified - Our engineers have identified the issue and are working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available..

Jun 24, 18:15:54 GMT+0
Identified - Our engineers have implemented a fix and are monitoring system performance. We will provide another update in 30 minutes or as soon as more information becomes available..

Jun 24, 18:19:44 GMT+0
Monitoring - Our engineers have implemented a fix and are monitoring system performance. We will provide another update in 30 minutes or as soon as more information becomes available..

Jun 24, 18:54:27 GMT+0
Resolved - Our engineers have monitored the fix and confirmed the issue with Click Tracked links from EU Regionalized Senders has been resolved. All services are now operating normally at this time..

Duration: 7 hours and 59 minutes

Affected Components: OpenAI (AI fallback)

Jun 24, 05:59:33 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jun 24, 06:07:32 GMT+0
Resolved - All impacted services have now fully recovered..

Duration: 15 days, 12 hours and 46 minutes

Affected Components: Deepgram (transcription)

Jun 17, 13:35:10 GMT+0
Identified - Between the hours of 13:35 UTC - 19:47 UTC we noticed an increase in 400 errors returned on PreRecorded STT requests where the payload was a URL. They were transient errors, retrying the request was the recommended course of action and would typically result in a successful transcription..

Jun 17, 19:47:56 GMT+0
Resolved - The issue was resolved at 19:47 UTC..

Duration: 6 days, 14 hours and 5 minutes

Jun 14, 16:45:32 GMT+0
Investigating - Starting around 12:00 AM PDT on June 14, 2026, our engineers began investigating an issue with our core API and platform services. Users may experience high latency, timeouts, and 5xx errors with sending email through the API and the UI. We will provide another update in 30 minutes or as soon as more information becomes available..

Jun 14, 17:20:58 GMT+0
Investigating - Engineers are still investigating issues causing email sending delays. We will provide a status update in 30 minutes or as soon as more information becomes available..

Jun 14, 17:34:05 GMT+0
Identified - Our engineers have identified the issue and are working toward a fix. Mitigation efforts are underway to resolve the intermittent errors and delays. We will provide another update in 30 minutes or as soon as more information becomes available..

Jun 14, 18:11:07 GMT+0
Monitoring - Our engineers have implemented a fix and are monitoring system performance. We will continue to observe the platform for the next hour to ensure full stability, and will mark this incident as resolved if no further issues are seen. We will provide another update in 1 hour or as soon as more information becomes available..

Jun 14, 19:23:38 GMT+0
Resolved - Our engineers have monitored the fix and confirmed the issue with high latency and 5xx errors has been resolved. All services are now operating normally at this time..

Duration: 6 days, 1 hour and 42 minutes

Affected Components: OpenAI (AI fallback)

Jun 11, 22:22:14 GMT+0
Identified - We have identified that some users are experiencing elevated 431 errors for the impacted services. We are working on implementing a mitigation..

Jun 11, 22:59:24 GMT+0
Investigating - We are continuing to investigate the issue regarding elevated 431 errors and are working on the mitigation..

Jun 11, 23:25:36 GMT+0
Monitoring - We have applied the mitigation and are monitoring the recovery..

Jun 12, 00:47:57 GMT+0
Resolved - All impacted services have now fully recovered..

Affected Components: OpenAI (AI fallback)

May 28, 05:27:00 GMT+0
Resolved - Resolved - Some users were unable to complete subscriptions on web and mobile. Affected users may have experienced the Subscribe button becoming unresponsive or encountered the error message submit_error_source:email during checkout..

Duration: 15 days, 4 hours and 15 minutes

Duration: 6 days, 19 hours and 45 minutes