SendGrid Outage History
Past incidents and downtime events
Complete history of SendGrid outages, incidents, and service disruptions. Showing 50 most recent incidents.
May 2026(6 incidents)
SenderAuth and Whitelabel domain errors
3 updates
Our engineers have monitored the fix and confirmed the issue with SenderAuth and Whitelabel domains has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Starting around 10:17AM on May 22 2026, our engineers began investigating an issue affecting SenderAuth and Whitelabel domains. A subset of customers may be experiencing errors when attempting to make updates to their whitelabel domains. Mail send is not impacted. We will provide another update as soon as more information becomes available.
Sender Engagement Quality (SEQ) API Endpoint Degraded
4 updates
Our engineers have monitored the fix and confirmed the issue with Sender Engagement Quality (SEQ) API endpoint has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. SendGrid Engagement Quality API endpoint is now working as expected with API keys. We will provide another update in 30 minutes or as soon as more information becomes available.
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.
Starting around 9:34 AM on May 14th 2026, our engineers began investigating an issue with the Sender Engagement Quality (SEQ) API endpoint not working as expected. Users may experience the Sender Engagement Quality (SEQ) API endpoint not working with the correct permission keys. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.
SendGrid - Subset to email services experiencing 5xx errors
2 updates
Our engineers have monitored the fix and confirmed all services are now operating normally.
Between 16:10 PDT and 16:27 PDT on 05/12/2026, our engineers began investigating an issue with a subset of services experiencing 5xx errors. Users may have experienced issues when accessing subusers, authenticating domains and link branding records, accessing the account, and checking account stats. This does not impact mail send. Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Teammates invited to SendGrid are prompted to create standalone Unified accounts instead of joining the inviting one
4 updates
Our engineers have monitored the fix and confirmed the issue with teammate account creation has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. Teammates that were impacted by the issue need to request a new invite link and delete cache and cookies on their browsers before attempting to join again. We will provide another update in one hour or as soon as more information becomes available.
Our engineers have identified the issue and are working toward a fix. We will provide another update in one hour or as soon as more information becomes available.
Starting around 9 AM PDT on Tuesday, 5/12/2026, our engineers started investigating an issue with teammates, where invitees could not join their organizations and instead they were led to creating standalone Twilio Unified accounts. New teammates, therefore, are unable to join their organizations at the time. This issue does not impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Mail Delay
5 updates
Our engineers have monitored the fix and confirmed the issue with Mail delay has been resolved. All services are now operating normally at this time
Our engineering team has identified the root cause of the issue and is actively working on a resolution. Please note that new Mail Send requests are processing as expected and are not impacted. We will share another update within the next two hours, or sooner if additional information becomes available.
Our engineers have identified the issue and are working toward a fix. New Mail Send requests are not affected and are processing normally. We are still actively working on delivering previously delayed mails. We will provide another update in next 2hr or as soon as more information becomes available.
New mail send requests are not affected. Our engineers are actively working on remediating the delayed mails. We will provide another update in 30 minutes or as soon as we have more information.
Customers may have experienced mail delay between 5pm and 5:15pm PDT.Our engineers have been alerted and are investigating. We will provide another update in 30 minutes or as soon as we have more information.
Incorrect Tax Amount in Invoices
6 updates
Our engineers have monitored the fix and confirmed the issue with Twilio SendGrid invoices and the tax amounts has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We have resolved the tax calculation issue, and customer invoices have been corrected with the appropriate tax amounts. If you were overcharged, your refund will be automatically processed to your card on file within 7–10 business days. If you were undercharged, the corrected tax balance has been applied; please log in to your console to validate the updated invoice details. We will provide another update in an hour or as soon as more information becomes available.
Our engineers have identified the issue and are continuing on working toward a fix. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers have identified the issue and are continuing on working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available.
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.
Starting around 9am PST on May 5, 2026, our engineers began investigating an issue with the most recent Twilio SendGrid invoices and the tax amounts on those invoices not being charged correctly. Users may experience issues with the tax amounts on the most recent invoices. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.
April 2026(12 incidents)
Delays with Contact Engagement Tracking and Segmentation in Legacy Marketing
9 updates
Our engineers have successfully completed processing all delayed Engagement Tracking and Segmentation data for Legacy Marketing Campaigns. All contact engagement data and segmentation features are now fully up-to-date and functioning normally. We sincerely apologize for any inconvenience this delay caused. This issue is now resolved, but if you experience any further issues please reach out to our SendGrid Technical Support Team for further assistance.
Our system is still processing the delayed Engagement Tracking and Segmentation data for Legacy Marketing Campaigns; currently, the data should be up-to-date up through May 1. We will provide another update in 24 hours or as soon as more information becomes available.
Our system is still processing the missing Engagement Tracking and Segmentation data for Legacy Marketing Campaigns. We will provide another update in 24 hours or as soon as more information becomes available.
We've identified the issue and still are working towards a fix. We will provide another update in 12 hours or as soon as more information becomes available.
Our engineers have implemented a fix and are continuing to monitor system performance and recovery. During this time a subset of Legacy Marketing customers may continue to see delays in updating contact engagement data. We will be providing a daily update moving forward, or as soon as we have new information to share.
Our engineers have implemented a fix and are monitoring system performance. . We will provide another update in 6 hours or as soon as more information becomes available.
We've identified the issue and still are working towards a fix. We will provide another update in 6 hours or as soon as more information becomes available.
We've identified the issue and still are working towards a fix. We will provide another update in 4 hours or as soon as more information becomes available.
Our engineers have identified an issue that is causing delays in updating individual contacts with recent engagement data (such as clicks and opens) for a subset of Legacy Marketing customers (TNE Marketing Campaigns are NOT affected). As a result, affected customers may experience delays when segmenting lists based on recent engagement, and the option to export campaign click data may appear disabled. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
Design Editor Template Not Allowing Movement of Modules
6 updates
Our engineers have monitored the fix and confirmed the issue with module movement in the Design Editor has been resolved. All services are now operating normally at this time.
Our team is still investigating this issue, and we still don't have updates to provide. For now, latest recommendation persist: For the best experience, please use the latest version of Safari or Firefox while we work on a fix. We will provide another update as soon as more information becomes available.
Our engineers are continuing to investigate the issue with the Design Editor preventing module movement. Initial findings suggest Chrome's latest update (ver.147) from last Wednesday may be the cause. For the best experience, please use the latest version of Safari or Firefox while we work on a fix. We will provide another update as soon as more information becomes available.
Our engineers are continuing to investigate the issue with the Design Editor preventing module movement. Initial findings suggest Chrome's latest update (ver.147) from last Wednesday may be the cause. For the best experience, please use the latest version of Safari or Firefox while we work on a fix. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers are continuing to investigate the issue with the Design Editor preventing module movement. We will continue to provide another update in 2 hours or as soon as more information becomes available.
Starting around 8:22 AM PST on April 22nd, 2026, our engineers began investigating an issue where module movement is not functioning properly within the Design Editor. Customers may experience the inability to select modules for drag-and-drop repositioning. This does not impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Mail Send Delays
1 update
Our engineers have investigated and resolved the issues with delayed delivery of emails for a subset of customers. From 12:05 pm PST to 12:45 pm PST customers may have seen a delay in the delivery of their emails. The issue has been resolved and all impacted services are operating normally.
Contact uploads being delayed - TNE Marketing Campaigns
3 updates
Our engineers have monitored the fix and confirmed the issue with Marketing Campaign uploads and deletion has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Starting around 04:30 PST on April 17th, 2026, our engineers began investigating an issue with contact upload delays when using TNE Marketing Campaings (Legacy Marketing is NOT affected). Customer may experience delays after uploading or deleting contacts using their Marketing Campaing plans. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
EU located subusers unable to send emails
4 updates
Our engineers have monitored the fix and confirmed the issue with EU subusers unable to send emails has now been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
We are continuing investigating this issue. We will provide more updates in 2 hours, or as soon as they become available.
Starting around 08:30 AM PST on April 15th, 2026, our engineers began investigating an issue with EU subusers that are unable to send emails. Customer may experience the error "User is not authorized to send mail based on their regional attribute." This is currently being investigated. This impacts mail send only for subusers located in EU. We will provide another update in an hour or as soon as more information becomes available.
Customers unable to raise support tickets
3 updates
Our engineers have monitored the fix and confirmed the issue with the support page and ticket creation has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Starting around 07:30 AM PST on April 15th, 2026, our engineers began investigating an issue with users able to open support tickets. Customers are being redirected to a blank page when trying to open a support ticket, but chat options are still available. This does not impact mail send. We will provide another update in two hours or as soon as more information becomes available.
Email Delivery Latency Resolved
1 update
Our engineers have resolved the issue affecting the Low Rate email swimlane in the email pipeline. The impact lasted approximately 40 minutes and affected customers who attempted to send mail between 11:57 PM and 12:35 AM Pacific Time. All services are now operating normally.
[Retroactive] Customers Unable to Access Support Portal
1 update
Our engineers have identified an issue with accessing SendGrid's Support Portal around 1:20pm PDT on April 8th. Some customers may have experienced issues with accessing the support UI, which inhibited the ability to access and create new support requests. Our engineers have implemented a fix, and monitored and confirmed the issue as being resolved. All services are now operating normally at this time.
Legacy Marketing Campaigns not loading for some customers
3 updates
Our engineers have monitored the fix and confirmed the issue with Legacy Marketing Campaigns unable to load has been resolved. All services are now operating normally at this time.
Our engineers are continuing to monitor the fix for the issue. We will provide another update in another hour, or as soon as more information becomes available.
Starting around 08:00 AM PDT on April 8th, 2026, our engineers began investigating an issue with a subset of customers not being able to access Legacy Marketing Campaigns. They have deployed a fix & are continuing to monitor for functionality. This did not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.
Retroactive Incident - Email Log and Activity Data Delayed
1 update
Our engineers have identified a delay in Email Log Data as well as Email Activity Data starting around 2pm PST on April 7th. All Email Log Data and Activity Feed Data was restored and no longer delayed at 3pm PST. Our engineers have monitored and confirmed the delay with Email Log and Activity Data has been resolved. All services are now operating normally at this time.
Billing Payment Processing Failures
10 updates
Our engineers have monitored the fix and confirmed the issue with the Billing processing payment failures has been resolved. All services are now operating normally at this time. Thank you for your understanding and patience.
Our engineers are continuing to monitor the fix for the issue. We will provide another update in 3 hours or as soon as more information becomes available.
We are continuing to monitor for any further issues.
Our engineers are continuing to monitor the fix for the issue. We will provide another update in 3 hours or as soon as more information becomes available.
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Our engineers are continuing to monitor the fix for the issue causing intermittent errors with account-level actions, including management and settings changes, as well as other account-specific functions such as login-related activity. At this time, there is no new information to share. Mail send is not impacted. We will provide another update in 3 hours or as soon as more information becomes available.
Our engineers have identified a fix for the issue affecting our customers’ ability, and our systems’ ability, to process payments. Customers may continue to experience notifications about their payments not being processed while we work to implement the fix. We have also identified that customers using Email Validation may receive 403 errors until their account is activated. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers have identified a fix for the issue affecting our customers’ ability, and our systems’ ability, to process payments. Customers may continue to experience notifications about their payments not being processed while we work to implement the fix. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers are continuing to investigate an issue affecting our customers’ ability, and our systems’ ability, to process payments. Customers may experience notifications about their payments not being processed, and we are aware of this issue. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
Starting around 05:30 AM, PST, on April 6th, 2026, our engineers began investigating an issue with our customer's ability (and system's ability) to process their payments. Customer may experience notifications about their payments not being processed, and we are aware of this issue. This does not impact mail send. We will provide another update in 2 hours or as soon as more information becomes available.
Intermittent Account Access and Management Issues
4 updates
Our engineers have monitored the fix and confirmed the issue with intermittent errors with account-level actions, including management and settings changes, as well as other account-specific functions such as login-related activity has been resolved. All services are now operating normally at this time.
Our engineers are continuing to monitor the fix for the issue causing intermittent errors with account-level actions, including management and settings changes, as well as other account-specific functions such as login-related activity. At this time, there is no new information to share. Mail send is not impacted. We will provide another update as soon as more information becomes available.
Our engineers have implemented a fix for the issue causing intermittent errors with account-level actions, including management and settings changes, as well as other account-specific functions such as login-related activity. We are now monitoring to ensure the fix is working as expected. Mail send is not impacted. We will provide another update in 2 hours or as soon as more information becomes available.
Starting around 7:44 AM PT on April 6, 2026, our engineers began investigating an issue causing intermittent errors with account-level actions. This affects management and settings changes, as well as other account-specific functions such as login-related activity. Customers may experience intermittent failures when attempting to update account settings, manage their accounts, or log in. Mail send is not impacted. We will provide another update in 2 hours or as soon as more information becomes available.
March 2026(7 incidents)
Retroactive Incident - EU Mail Delays
1 update
From 9:08 AM PT - 9:22AM PT today, customers in the EU region may have experienced mail delay for up to 14 minutes. Customer may have received "Internal Deferral" errors when attempting to send mail at this time. Our engineers have investigated and resolved the issue. All impacted services are operating normally.
Login Issue Cloudflare CAPTCHA Failing to Load
6 updates
Our engineers have monitored the fix and confirmed the issue with CAPTCHA has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. Users that were previously impacted by failed CAPTCHA errors should now have the capacity to login without issue. We will provide another update in an hour or as soon as more information becomes available.
Our engineers are continuing to investigate the issue. We will provide another update two hours or as soon as more information becomes available.
Our engineers are continuing to investigate the issue. We will provide another update in hour or as soon as more information becomes available.
Our engineers are continuing to investigate the issue. We will provide another update in hour or as soon as more information becomes available.
Starting around 11:06 AM PST on March 18, 2026, our engineers began investigating an issue with Cloudflare CAPTCHA failing to load on SendGrid and Twilio login pages. Customers may experience difficulty accessing the user console, as the failing CAPTCHA prevents successful login. This does not impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Delay in Email Event Processing and Stats
1 update
Between 8:53 AM and 9:37 AM PST, customers may have experienced delays in email event processing, including click and open data. Our Engineers identified a bottleneck, and have resolved the issue. While email delivery continued with low execution times, the reporting of these events to the Stats API and your dashboard was delayed. However, all downstream queues, including Engagement Stats, have fully caught up as of 9:45 AM PST and are resolved at the time.
v3 Timezones Update Delay
1 update
Our engineers have investigated and resolved an issue that occurred causing delays in timezone updates. On 03/03 ~2:09PM customers would have seen errors in the console when trying to update their timezone setting or while fetching timezones via /v3/timezones. A fix was deployed a fix on 03/04 ~7:48AM. This issuse has now been resolved
Retroactive Incident - Failures Processing Subset of Webhook Events
1 update
Our engineers have investigated and resolved the issues that began on 3/4/2026 from 8am PST to 3/9/2026 at 5pm PST that impacted the reporting for a subset of group unsubscribe and group resubscribe Event Webhooks. Users may have experienced issues with group unsubscribes and group resubscribes that were not processed, although the api calls for those events were processed. The issue has been resolved and all impacted services are operating normally.
Delay in Events being sent to Global Stats
1 update
Between 4:00 PM and 5:04 PM PST, customers may have experienced delays when viewing Global Stats. Our Engineers identified and resolved the issue
Mail delivery delays
1 update
Between 4:00pm to 4:30pm PT, some mail delivery were delayed. There was no data loss or API unavailability. Our Engineers identified and resolved the issue.
February 2026(7 incidents)
Customers in Argentina Unable to Authenticate Card in Twilio SendGrid
8 updates
Our engineers have confirmed this issue is now resolved. Customers in Argentina should now be able to authenticate and add credit cards successfully. If you are located in Argentina and are still experiencing issues adding or authenticating a credit card, please reach out to Support for additional assistance.
Our engineering team is continuing to monitor system performance. For customers located in Argentina impacted by this issue, please reach out to our support teams for additional assistance. We will provide another update as soon as more information becomes available.
Our engineering team is continuing to monitor system performance. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers have implemented a fix and are monitoring system performance. A backend change has been made to our third-party billing system and payments will be retried for individual users. We will provide another update in an hour or as soon as more information becomes available.
Our engineering team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineering team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineering team is continuing to investigate this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Starting around 8:40PM PDT on Friday, 2/27/25, our engineers are investigating an issue with Twilio SendGrid users in Argentina are unable to authenticate their credit cards. Customers in Argentina may not be unable to add their credit card into the system. This does not impact mail send. We will provide updates in the next hour or sooner as they become available.
SendGrid Email Send Delays (High Latency) – February 26, 2026
1 update
Our engineers have investigated and resolved an issue that caused high latency when sending email through SendGrid. From 8:24 AM PST to 9:15 AM PST on Thursday, February 26, 2026, customers may have experienced delays sending email from both the SendGrid dashboard (web app) and email sent via SMTP or API. The issue has been resolved, and all SendGrid email sending is operating normally across the dashboard, SMTP, and API.
Incomplete Advanced Statistics
10 updates
Our engineers have monitored the fix and confirmed the issue with Advanced Statistics has been resolved. All services are now operating normally at this time.
Our engineering team has identified the root cause of the issue and is continuing to work on implementing a fix. We will provide the next update in four hours or as soon as additional information becomes available.
Our engineering team has identified the root cause of the issue and is actively working on implementing a fix. We will provide the next update within four hours or sooner if additional information becomes available.
Our engineers have identified the issue and are currently implementing a fix. We will provide another update in next four hours or as soon as more information becomes available.
Our engineers have identified the issue and are currently implementing a fix. We will provide another update as soon as more information becomes available.
Our engineers have identified the issue and are currently implementing a fix. We will provide another update in next two hour or as soon as more information becomes available.
We are continuing to investigate this issue and will provide an update in the next four hours or as soon as more information becomes available.
We are continuing to investigate this issue and will provide an update in the next two hours or as soon as more information becomes available.
We are continuing to investigate this issue and will provide an update in the next hour or as soon as more information becomes available.
Starting around 1pm PST on February 7th, our engineers began investigating an issue with Advanced Statistics (Geographical, Mailbox Provider, Browser, etc.). Customer may experience Incomplete Advanced Statistics for the following date and time frames: 1pm - 5pm PST and 7pm - 9pm PST on 02/07/2026. This does not impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Unable to Create Support Ticket from SendGrid Help Center
5 updates
Our engineers have monitored the fix and confirmed the issue with Ticket Creation within the SendGrid Help Center has been resolved. All services are now operating normally at this time.
We are continuing to monitor for any issues. We will provide another update in an hour or as soon as more information becomes available.
We are continuing to monitor for any issues. We will provide another update in an hour or as soon as more information becomes available.
Our engineers have implemented a fix and are monitoring system performance. Customer should be able to submit a support ticket through the SendGrid Help Center now. We will provide another update in an hour or as soon as more information becomes available.
Starting around 8:15 am PST on February 11th, our engineers began investigating an issue with the SendGrid Help Center and the Ticket Creation process. Customer may experience errors when creating a support ticket request within the SendGrid Help Center. This does not impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Sender Authentication Degraded
4 updates
Our engineers have monitored the fix and confirmed the issue with Sender Authentication has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. Due to a third-party provider, we were experiencing issues with verifying records within Sender Authentication. We will provide another update in 1 hour or as soon as more information becomes available.
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.
Starting around 10am on February 4, 2026, our engineers began investigating an issue with Sender Authentication. Users may experience newly created records within the Sender Authentication page not verifying which includes Domain Authentication and Link Branding records that were created after 8:45am PST. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.
Advance Stats Data Delay
9 updates
Our engineering team identified a processing gap which occurred within the Advanced Stats dataset on January 27, 2026, between 07:00 AM PT and 09:00 AM PT. During this two-hour window, data may be incomplete. Impacted reports may show inaccuracies of approximately 8.3% for daily, 1.2% for weekly, and 0.3% for monthly stats. Our engineering team has confirmed that the Advanced Stats API is fully operational.
Our engineering team is actively investigating this issue, and we will provide an update as soon as more information becomes available.
Our engineering team is currently investigating this issue. Since the team is still working to identify the root cause, it may take some additional time to resolve. We will provide the next update in 8 hours or so.
Our engineering team is actively investigating this issue and we will provide an update as soon as more information becomes available.
Our engineering team is actively investigating this issue and we will provide an update as soon as more information becomes available.
Our engineering team is actively investigating this issue and we will provide another update as soon as more information becomes available.
Our engineers have identified the issue and are working toward and testing a fix. We will provide another update in hour or as soon as more information becomes available.
Our engineering team is actively investigating this issue and we will provide another update in one hour or as soon as more information becomes available.
Starting around 11:00 AM PST, February 2nd, 2026, our engineers began investigating an issue affecting Advanced stats. Our engineers have identified that a processing delay prevented about two hours of Advanced Stats data from January 27, 2026 from being included. As a result, customers may see incomplete Advanced Stats results when querying reports that include that time window. The Advanced Stats API remains available, but the data returned may be missing information for that period. This is currently being investigated and our team is working on a fix. Email sending is not affected. We’ll share another update within the next hour, or sooner as we learn more.
Retroactive Incident - Marketing Campaigns and API failures
1 update
On February 3, 2026 between 10:08 and 10:26AM PT, our engineering team investigated a service disruption that impacted Marketing Campaigns creating Single Sends, Automations, Contact uploads, and API configuration requests. Customers would have experienced 500 errors. Mail send was not impacted and Legacy Marketing Campaigns were not impacted. Our engineering teams have identified the root cause and restored full functionality. No mail was lost. Services are now operational. We apologize for any inconvenience.
January 2026(6 incidents)
Increased Microsoft Inbox Provider Blocks
11 updates
Our Engineering team has completed monitoring and confirmed that no SendGrid-specific issues remain at this time. Microsoft has acknowledged that some senders may continue to experience elevated throttling, and has confirmed that this behavior is not isolated to SendGrid nor specific to our sending configuration. Microsoft has advised that any additional updates will be communicated via their Smart Network Data Service (SNDS) page. Customers who continue to experience deferrals or blocks when sending to Microsoft Outlook Consumer domains (for example, hotmail.com or outlook.com) are encouraged to open a support request directly with Microsoft for further assistance: https://olcsupport.office.com/ All SendGrid services are operating normally, and we will continue to monitor for any relevant upstream updates.
We have acknowledgment from Microsoft about the change in delivery behavior on their consumer email platform. Microsoft has acknowledged that the behavior is not isolated to SendGrid's environment and is not specific to our sending configuration. Our engineering team is seeing improvement (reduction) of deferrals since the start of the incident on 1/14. Blocks have also reduced but are still at elevated levels; we will keep monitoring the behavior. Customers that feel they are continuing to observe excessive deferrals and/or blocks should fill out the OLC Support request form at https://olcsupport.office.com/
Our engineers continue to work with Microsoft and will provide additional details and guidance shortly.
Our engineering team is still actively investigating this issue, and we will provide more updates as soon as they become available.
Our engineering team is still actively investigating this issue, and we will provide more updates as soon as they become available.
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
Our engineering team is still actively investigating this issue and we will provide more updates as soon as they become available.
Our engineering team is actively investigating this issue and we will provide more updates as soon as they become available.
Starting around 3:00 am PST on January 14, our engineers began investigating an issue with emails sent to Microsoft Outlook Consumer domains. Some customers may experience an increase in email block rates to Microsoft Outlook Consumer domains which include Hotmail and Outlook domains. Our Engineers are working with Microsoft. We will provide another update in two hours or as soon as more information becomes available.
Gmail Delivery Latency
4 updates
Our engineers have monitored the fix and confirmed the issue with email delivery to Gmail recipients has been resolved. All services are now operating normally at this time.
We are observing that email delivery to Gmail recipients is recovering. However, we will continue to monitor the situation closely and await Google’s next official update. Additional updates will be shared as more information becomes available.
Gmail has confirmed that their services are currently affected, so we are continuing to monitor the situation closely while awaiting their next official update. We will provide another update as soon as more information becomes available.
Starting around 1:00 PM UTC on January 24, 2026, our engineers began investigating an issue with email delivery to Gmail recipients. Users may experience delivery delays, with emails taking up to 5x longer than usual to reach Gmail addresses. This is due to an issue on the Gmail/Google side, as other email providers remain unaffected. This does not impact mail send; Emails are successfully delivered to Gmail's mail servers; however, Gmail is experiencing delays in delivering those messages to recipient inboxes. You can monitor the status of Google services via the official Google Status Page: https://www.google.com/appsstatus/dashboard/ We will provide another update as soon as more information becomes available.
Delayed Event Webhook and Stats
3 updates
Our engineers have monitored the fix and confirmed the issue impacting Event Webhook deliveries and engagement tracking events has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in 1 hour or as soon as more information becomes available.
Starting at approximately 8:34 AM PST on January 23, our engineers began investigating an issue causing delays in engagement tracking events and Event Webhook deliveries. Some customers may experience increased latency in receiving these events. Email sending is not impacted at this time. We will provide another update within two hours, or sooner as additional information becomes available.
Microsoft365 (Business or Enterprise)
2 updates
Our engineers have monitored the fix and confirmed the issue with Microsoft 365 has been resolved. Users can now send or receive emails as normal at this time.
Starting around 10:00 AM PST on January 22nd, our engineers began investigating an issue with users not able to send or receive email through Microsoft 365. Some customers may experience elevated deferrals with Microsoft 365. Please reference Microsoft's Status Page here: https://status.cloud.microsoft/m365. We will provide another update in two hours or as soon as more information becomes available.
Unable to Create Support Ticket from SendGrid Console
7 updates
Our engineers have monitored the fix and confirmed the issue affecting https://support.sendgrid.com/ has been resolved. All services are now operating normally at this time and users can submit support tickets.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update as soon as more information becomes available.
We are still investigating this issue affecting SendGrid users to create new support tickets over the SendGrid portal (Twilio console is not affected). Our engineering team is actively investigating this issue and we will provide more updates as soon as they become available. As a temporary workaround, Twilio SendGrid Unified Account users can submit support tickets via https://help.twilio.com/, or raise a chat support request too.
We are continuing to investigate this issue affecting https://support.sendgrid.com/ which may prevent users from submitting support tickets. Our engineering team is actively working to resolve the problem and will provide an update within the next few hours or as soon as additional information becomes available. As a temporary workaround, Twilio SendGrid Unified Account users can submit support tickets via https://help.twilio.com/
We are continuing to investigate this issue affecting https://support.sendgrid.com/ which may prevent users from submitting support tickets. Our engineering team is actively working to resolve the problem and will provide an update within the next 2 hours or as soon as additional information becomes available. As a temporary workaround, Twilio SendGrid Unified Account users can submit support tickets via https://help.twilio.com/
We are currently investigating an issue affecting https://support.sendgrid.com/ which may prevent users from submitting support tickets. Our engineering team is actively working to resolve the problem and will provide an update within the next hour or as soon as additional information becomes available. As a temporary workaround, Twilio SendGrid Unified Account users can submit support tickets via https://help.twilio.com/
Single Send Stats Delayed
4 updates
Our engineers have monitored the fix and confirmed the issue with single send stats has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. Single send stats are populating without a delay again. We will provide another update in 1 hour or as soon as more information becomes available.
Our engineers have identified the issue and are currently implementing a fix.
As of 05/01 at 1:45 AM (PST), our engineering team has identified an issue affecting SendGrid Marketing (Single Send) statistics. Impacted customers may experience delays in statistics being populated. We will provide an update within the next hour or sooner as additional information becomes available.
December 2025(7 incidents)
New Marketing Campaigns Contact Writes Are Delayed
11 updates
Our engineers have monitored the fix implemented by our third-party vendor and confirmed the issue with contact writes for new marketing campaigns has been resolved. All services are now operating normally at this time.
The third-party vendor has deployed a fix, and our engineers are actively monitoring system performance. Customers should begin to see improvements, specifically with contact writes for new marketing campaigns. We’ll provide another update within the next hour, or sooner if additional information becomes available.
We are still closely monitoring the progress of the fix and will provide an update within one hour or as soon as more information becomes available.
We are still closely monitoring the progress of the fix and will provide an update within one hour or as soon as more information becomes available.
The third-party vendor is currently implementing a fix. We are closely monitoring progress and will provide an update within two hours or as soon as more information becomes available.
The third-party vendor is currently implementing a fix. We are closely monitoring progress and will provide an update within two hour or sooner as more information becomes available
The third party vendor is still implementing a fix. We will provide another update in 2 hours or as soon as more information becomes available.
The third party vendor is still implementing a fix. We will provide another update in 1 hour or as soon as more information becomes available.
We are continuing to work on a fix for this issue.
The third party vendor is still implementing a fix. All customers will continue to experience delay in New Marketing Campaigns Contact writes. Mail send is not affected. We will provide another update in 1 hour or as soon as more information becomes available.
Starting around 19:48 PT on 12/15/2025, all customer using New Marketing Campaigns contact writes may experience delays due to an ongoing issue with our third party vendor. The third party vendor has identified the issue and is working on a fix. Mail send is not affected. We will provide another update in 60 minutes.
SendGrid - Unable to edit existing contact segments.
9 updates
Our engineers have monitored the fix and confirmed the issue with Segments for Marketing Campaigns has been resolved. All services are now operating normally at this time.
Our engineers are still monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
Our engineers are still monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
Our engineers continue monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
Our engineers are still monitoring system performance. We will provide another update in one hour or as soon as more information becomes available.
Our engineers have identified the issue and have implemented a fix. Any segments created during 12/05 10:00 am (PST) and 12/09 3:53 am (PST) may still experience issues editing segments in the UI, if so a workaround would be to use an api call to update the segment which would also fix the UI.
Our engineering team is continuing to investigate this issue. We will provide another update as soon as more information becomes available. Thank you for your patience.
Our engineering team is continuing to investigate this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Starting around 12:30 AM, PST on 8th Dec, our engineers began investigating an issue with editing currently existing segments. Customers may experience an error in the UI that states 'You can't edit the conditions in this segment This segment contains conditions that cannot be edited in the ui. Please contact your developer to edit the conditions contained in this segment.' This does impact mail send. We will provide another update in an hour or as soon as more information becomes available.
Encountering errors while attempting to create a support ticket via the SendGrid portal
3 updates
Our engineers have monitored the fix and confirmed the issue has been resolved. All services are now operating normally at this time.
Our engineers have identified the problem and implemented a fix and are monitoring system performance. We will provide another update in 30 minutes or as soon as more information becomes available
Starting around 8.30 PM PST on Dec 4, our engineers began investigating an issue with our support portal. Customers may experience issues in submitting a ticket. We will provide another update in an hour or as soon as more information becomes available
Error creating API Keys & Teammates in SendGrid console
2 updates
Our engineers have monitored the fix and confirmed that users can now create API Keys & teammates again.
Starting around 3:40 pm PST on 12/04/2025, our engineers began investigating an issue creating API Keys with custom access & teammates in the UI. API calls to create API Keys & teammates were not impacted. This did not impact mail send. Our engineers have implemented a fix and are monitoring system performance. Users can now create API Keys & teammates again. We will provide another update in 1 hour or as soon as more information becomes available.
Stats Delays Due to Increased Latency and Timeouts
2 updates
Our engineers have monitored the fix and confirmed that the delays across the Stats service have been resolved. All services are now operating normally.
Between 01:32 to 02:12 AM UTC increased latency and timeouts were observed which resulted in delays across the Stats service, including global stats, advanced stats, and category stats. All latencies have returned to normal. We will provide another update in one hour or sooner if additional information becomes available.
Mail sending delays.
3 updates
Our engineers have monitored the fix and confirmed the issue with mail send has been resolved. All services are now operating normally at this time.
Starting around 4:10 PM PDT on 2/12/2025, our engineers began investigating an issue with mail send. Customers may have experienced delays during this time. The delay ended at approximately 4:41 PM PDT. We will continue to monitor the situation and provide another update in one hour or as soon as more information becomes available.
Starting around 4:10 PM PDT on 2/12/2025, our engineers began investigating an issue with mail send. Customers may have experienced delays during this time. The delay ended at approximately 4:41 PM PDT. We will continue to monitor the situation and provide another update in one hour or as soon as more information becomes available.
Global Stats Delayed
6 updates
Our engineers have monitored the fix and confirmed that the customers should not be observing delays any more. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance, customers should not be observing delays anymore. We will provide another update in an hour or as soon as more information becomes available.
We are continuing to monitor queues. Users will see stats fluctuate between 1 - 2 hour delays.
Our engineers have identified the issue and are currently implementing a fix.
Our engineers are continue to investigate the issue regarding Global Stats. We will provide another update in 1 hour or as soon as more information becomes available.
Beginning at 12/01 8:06 AM (PST) - Our engineers have identified an issue regarding SendGrid Global Stats. Affected customers may experience up to 2 hour delay for global stats to populate. We will provide another update in 1 hour or as soon as more information becomes available.
November 2025(4 incidents)
Minor Delays in Mail Send
5 updates
Our engineers have monitored the fix and confirmed that the issue causing minimal intermittent mail-send delays has been fully resolved. All services are now operating normally at this time.
All latencies remain normal. Our engineers are continuing to monitor system performance to ensure latencies remain normal and will continue to monitor overnight. We will provide another update on Friday 11/21/2025 or as soon as more information becomes available.
Our engineers have implemented a fix and are monitoring system performance. All latencies are back to normal. We will provide another update in 1 hour or as soon as more information becomes available.
Our engineering team is continuing to investigate this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Starting around 5:48AM PST on 11/20/2025, our engineers began investigating minimal, intermittent delays in API mail sending. Engineering is engaged and has redistributed traffic. Customers may see a brief ~50 ms increase in latency. The team is actively troubleshooting to ensure the delays do not persist. We will provide another update in 1 hour or as soon as more information becomes available.
Errors loading Legacy Transactional Templates
4 updates
Our engineers have monitored the fix and confirmed the issue with the Legacy Transactional Templates has been resolved. All services are now operating normally at this time.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in 30 min or as soon as more information becomes available.
We are continuing to investigate the issue impacting legacy transactional templates. We will provide an update in 1 hour or as soon as one is available.
Starting around 11:58 pm PST on 11/19/2025, our engineers began investigating an issue with Legacy Transactional Templates. Users may experience an error with loading the legacy transactional templates within the Email API section of the account. This does not impact mail send. We will provide another update in 30 min or as soon as more information becomes available.
SendGrid Website – Degraded Account Login Functionality
5 updates
Our engineers have monitored the fix and confirmed the issue with the Twilio SendGrid Login functionality has been resolved. All services are now operating normally at this time.
We are continuing to monitor Twilio SendGrid Login functionality, and service health checks are indicating stable performance with no new errors observed. Our teams will remain engaged to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.
Twilio SendGrid Login is now restored. Service health monitoring indicates no remaining errors. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.
Our engineers have identified an issue with Twilio SendGrid login and are working toward a fix. We will provide another update in hour or as soon as more information becomes available.
Our engineers have identified an issue with Twilio SendGrid login and are working toward a fix. We will provide another update in hour or as soon as more information becomes available.
Issues completing signup process
4 updates
Our engineers have monitored the fix and confirmed that the issue with the sign-up process has been resolved. All services are now operating normally.
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
Starting around 2:30pm PST on 11/05/2025, our engineers began investigating an issue with the sign-up process. Users may experience issues upgrading after completing the required sign up process. This does not impact mail send. As the investigation is still ongoing, we will provide another update in 1 hour or as soon as more information becomes available.
Starting around 2:30pm PST on 11/05/2025, our engineers began investigating an issue with the sign up proces. Users may experience issues upgrading after completing required sign up process. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.
August 2025(1 incident)
Errors on Credit Card Addition During Upgrade Process
14 updates
This incident has been resolved for the majority of customers. Customers receiving errors on credit card additions during the account upgrade process should contact Twilio Support to implement mitigation steps if unable to input a credit card for upgrading.
This issue has been mitigated. Customers receiving errors on credit card additions during the account upgrade process should contact support to implement mitigation steps until further notice.
Our engineers have implemented a short-term fix and are monitoring system performance. If you experience any issues related to this matter, please reach out to our support team for assistance. We will provide another update the following Monday, September 8th, or as soon as more information becomes available.
Our engineers have implemented a short-term fix and are monitoring system performance. If you experience any issues related to this matter, please reach out to our support team for assistance. We will provide another update tomorrow, after the Labor Day holiday, or as soon as more information becomes available.
A short-term fix has been implemented, and we are actively monitoring the results. If you experience any issues related to this matter, please reach out to our support team for assistance. We will provide another update on Monday September 1st, or sooner if new information becomes available.
We are continuing to work towards a fix. We will provide another update within the next 48 hours or as soon as more information becomes available. Thank you for your patience
We are continuing to work towards a fix. We will provide another update in 16 hours or as soon as more information becomes available.
We are continuing to work towards a fix. We will provide another update in 16 hours or as soon as more information becomes available.
We are continuing to work towards a fix. We will provide another update in 8 hours or as soon as more information becomes available.
We are continuing to work towards a fix. We will provide another update in three hours or as soon as more information becomes available.
We are continuing to work towards a fix. We will provide another update in two hours or as soon as more information becomes available.
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.
We are continuing to investigate this issue.
Starting around 7:00 AM PST on August 21st, 2025, our engineers began investigating an issue where some Twilio SendGrid customers reported issues when entering credit card details during the SendGrid upgrade from their Trial plan. Our engineering team is actively investigating the issue. This does not affect mail send. We'll provide an update as soon as more information becomes available.
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