Is Klaviyo Down Right Now? Check if there is a current outage ongoing.

We're experiencing performance issues with the Klaviyo Help Center and Klaviyo.com in the APAC region, due to a third party provider. Our team is currently investigating, and we appreciate your patience.

The issue has been identified and a fix is being implemented.

Due to an outage of a third party provider, there may be an issue preventing users from logging in to Klaviyo. Our Engineering Team is actively working to restore login capabilities. We apologize for the disruption and expect this issue to be resolved soon.

Starting 1:45 pm Eastern Time on June 4th, the infrastructure that processes analytics began experiencing delays. As a result, campaign, flow and dashboard reports may be out-of-date by up to about 2 hours. Event-triggered flows and segments dependent on events are not impacted. Events are also populating into profile activity logs normally. We are actively resolving this incident and expect to have reports up-to-date within an hour.

Full access to klaviyo.com has been restored. This incident has been resolved.

As of 4:48pm (US Eastern), all pages across klaviyo.com are available and users should no longer be experiencing issues.

As of 4:39pm (US Eastern), we have identified a fix. Users are able to access klaviyo.com and login successfully.

Beginning at 4:21 pm (US Eastern), users began experiencing issues accessing klaviyo.com. API routes are unaffected. We are currently investigating this issue.

Full access to klaviyo.com has been restored. This incident has been resolved.

As of 4:48pm (US Eastern), all pages across klaviyo.com are available and users should no longer be experiencing issues.

As of 4:39pm (US Eastern), we have identified a fix. Users are able to access klaviyo.com and login successfully.

Beginning at 4:21 pm (US Eastern), users began experiencing issues accessing klaviyo.com. API routes are unaffected. We are currently investigating this issue.

This incident has been resolved.

At approximately 2:55 PM (US Eastern), we have addressed the underlying issue and that delayed flow functionality. Flow messages sending is now real time and any flows that should have triggered are expected to trigger on a delay. Any delayed flow messages will be sent.

We have identified a database issue affecting flow functionality, originally beginning at 11:00 AM (US Eastern). This includes flow message sending, flow triggering, and flow processing. Campaign messaging and event processing is unaffected. We are working to fix the issue and will keep this page updated with further developments.

Starting at approximately 11 AM (US Eastern) we identified an issue impacting flows affecting both flow evaluations and flow message sending. We are investigating the issue and will continue to post updates here.

This incident has been resolved.

At approximately 2:55 PM (US Eastern), we have addressed the underlying issue and that delayed flow functionality. Flow messages sending is now real time and any flows that should have triggered are expected to trigger on a delay. Any delayed flow messages will be sent.

We have identified a database issue affecting flow functionality, originally beginning at 11:00 AM (US Eastern). This includes flow message sending, flow triggering, and flow processing. Campaign messaging and event processing is unaffected. We are working to fix the issue and will keep this page updated with further developments.

Starting at approximately 11 AM (US Eastern) we identified an issue impacting flows affecting both flow evaluations and flow message sending. We are investigating the issue and will continue to post updates here.

This incident has been resolved. Affected unsubscribe events have been replayed. And as noted before, inbound subscriptions during the incident period can not be replayed.

We have observed recovery of affected systems. We are in the process of replaying affected unsubscribe events, and other remaining queued events have been processed. Event processing, API responses, and latency are all up-to-date. Unfortunately, inbound subscriptions during the affected period can not be replayed. We will provide another update once unsubscribe events have been replayed.

We have addressed the underlying issue. We are seeing improvement in event processing, API responses and latency, email sending, and other areas. We are continuing to work on fully restoring normal operations.

We are experiencing disruption in event processing since 2pm EST. Customers may see high error rates with APIs, missing metrics, and delayed sending. We are investigating the issue and working to mitigate it currently.

We can confirm that all delayed emails have caught up as of approximately 7:15 PM US Eastern, and email sending is back to real time.

Beginning around 5 PM US Eastern time, we began observing delays in email messages sent by a mail delivery partner. In addition to a subset of campaign and flow messages, this may affect emails for multi-factor authentication login and double opt-in emails. Mail is being accepted and processed, but is delayed; we do not expect data loss. We will provide further updates as we have them.

As of 6:07pm (US Eastern) all messages that were delayed or failed to send properly during this window have been sent. Marking this incident as Resolved.

As of 5:45pm (US Eastern), we have released a fix and users should no longer be experiencing this issue. Any messages that were delayed or failed to send properly during this window will be replayed or sent as normal.

As of 5:30pm (US Eastern), we have identified the root cause of the issue and are working on a fix. We believe this issue also impacted segment and flow creation/editing.

We are currently investigating an issue with campaign scheduling and cloning that began at approximately 4:40pm (US Eastern). We believe this issue is also impacting campaign sending. We will continue to keep this incident updated as we investigate further.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

The issue has been identified and a fix is being implemented.

We’re currently investigating an issue where message analytics are not populating as expected. This issue began at approximately 5PM ET today and appears to be impacting all accounts. Message sending does not appear to be impacted. Engineering is actively working to identify the root cause and restore analytics functionality as soon as possible. We’ll provide updates here as we learn more.

This issue has been resolved.

We’re currently experiencing an issue where conversion events—such as Placed Order—are being ingested but are not counting toward attribution. This issue has been occurring since 4/9/25 2:45pm ET and affects all conversion events. There is no data loss as we are still capturing these conversion events. Engineering is actively working to resolve the issue and restore accurate attribution tracking. We’ll provide further updates as we make progress

This incident has been resolved. Updates to segment memberships continue to perform as expected.

As of 11:22 AM Eastern Time, the system that processes updates to segment membership for the purpose of building campaign audiences was restored to full performance. As of this time, we are no longer experiencing delays related to segment membership. We will continue to monitor the segment membership system.

At around 9:10 AM Eastern Time on April 9, 2025, the system that processes updates to segment membership for the purpose of building campaign audiences began to experience delays. Currently, this system is delayed by up to 60 minutes. As a result, campaigns with segment-based audiences may be impacted. For such campaigns, estimated recipient counts as well as actual recipient lists may be based on segmentation membership that is up to 60 minutes out-of-date. Segment creation is not impacted by this delay. Creation of new segments and updating segment definitions are functioning as expected. Flows triggered by segment membership are not impacted by this delay and are functioning as expected. We have identified the issue and are working to restore the performance of the impacted system.

All impacted campaigns have now been sent. This incident is resolved.

Starting at 3:37 PM (US Eastern), campaigns began sending in real-time and we began resending delayed campaigns. We expect that all remaining delayed campaigns will be sent within the next 90 minutes. Transactional flow messages were not impacted by this incident. However, non-transactional flows scheduled to send between 12:22 -15:26ET were not delivered and will not be replayed to avoid untimely messages.

As of 3:37 PM (US Eastern), the issue has been identified and a fix is being implemented. All delayed campaigns will be resent.

We are currently experiencing delays of up to an hour when sending email, SMS, and push notifications as of 12:30 PM (US Eastern) on April 1, 2025. We are actively investigating the issue to restore real-time sending.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

As of 12:00 PM (US Eastern Time) on March 31, 2025, some accounts began experiencing an up to 2 hour delay in processing Shopify’s Checkout Started and Placed Order events. The team has identified the issue and is working on a fix. No event data has been lost.

This incident has been resolved.

Beginning at 12:02 PM US Eastern Time, Klaviyo began experiencing issues with custom profile properties appearing in drop downs throughout the app. The root cause has been identified and addressed, custom profile property functionality has been restored. We are monitoring to confirm all impacts have been resolved and there are no further issues.

Beginning at 1:46 PM US Eastern Time and ending at 5:11 PM US Eastern Time, Klaviyo began experiencing issues with the submission of Klaviyo reviews. Any end user review submissions during this time would have been unsuccessful. The root cause has been identified and addressed, all Reviews functionality has been restored.

This incident has been resolved, and all messages impacted by the delays have been delivered.

We have resolved the underlying issue causing the delays and we expect to be back to real-time SMS sending within 15 minutes. Any messages impacted by the delays will be delivered.

We are currently experiencing delays of up to 3 hours for a subset of SMS sending. Impacted SMS sends include flows, keyword responses, conversations, and preview messages. SMS campaign sending is not impacted. We are actively working to restore real-time SMS sending and will continue to provide updates here.

This incident has been resolved.

A fix has been implemented and we are monitoring the results. During the time of the incident (1:20pm-2:30pm US Eastern), campaign sending was delayed. We are currently processing and repairing campaigns that were scheduled or modified during that time.

SMS Campaigns are also affected. We are continuing to work on the issue.

Starting at 1:20 PM US Eastern Time, Klaviyo began experiencing issues with Email and Push Campaigns. Campaigns currently cannot be created, edited, sent, or scheduled, both in the app and via APIs. There is no data loss. The root cause has been identified, and we are actively working to restore campaign sending and scheduling functionality. We will continue to provide updates.

This incident has been resolved.

The issue has been identified and a fix is being implemented.

At 4:40pm US Eastern we identified an issue that prevents users from signing in or signing up with SMS MFA. We are working to resolve the issue, and in the meantime, users can still set up or log in with MFA via Authenticator App. Please reach out to support if you cannot access your account.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

The issue has been identified and a fix is being implemented.

At 10:09am US Eastern we identified an issue causing delays to log-in, including via SMS MFA. We are working to resolve the issue, and in the meantime, users can log-in via the one-time password code if available. Please reach out to support if you cannot access your account.

All messages affected during the incident have been sent. This issue has been fully resolved.

We have identified that some SMS sending across campaigns and flows may also have been impacted during the incident. We are also working on retroactively addressing any affected SMS sends.

As of 12:58pm EST, email campaigns and flow messages are sending normally. We are now working towards retroactively addressing email messages across flows and campaigns which were affected during the incident.

Starting March 4 2025 12:00 PM Eastern time, we are experiencing delays in sending email campaigns and flow messages. Our Engineering Team is working quickly to address this. No further action is required on your end at this time. We will confirm once this has been fully resolved.

As of 8:18pm US Eastern time, this issue has been resolved by our third-party provider. Klaviyo developer documentation portal is operational.

At around 7:01pm US Eastern, Klaviyo developer documentation portal (developers.klaviyo.com) became unavailable due to an issue with our third-party provider. Our engineers are currently investigating this issue.

This incident has been resolved, and all event processing is back to normal. All event and subscription API requests have been processed successfully. Failed API requests related to creating and updating profiles between 1:37 PM and 2:18 PM (US Eastern Time) were lost and are unable to be replayed.

Event processing is now back to real-time. We are continuing to monitor our systems.

We have addressed the underlying issue, and API latency is returning to normal. However, as a result of the outage, event processing now is experiencing delays. Event-triggered flows, real-time segmentation, and any event data related to analytics are delayed by at least 1 hour. We are in the process of restoring normal operations and will continue to provide updates here.

Klaviyo has seen a disruption in our API availability starting at 1:42 PM US Eastern Time. We are investigating the issue and working to mitigate it currently.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

The issue has been identified and users can now setup or login with SMS MFA. We will continue to monitor our systems.

At 9:59am US Eastern we identified an issue that prevents users from signing in or signing up with SMS MFA. We are working to resolve the issue, and in the meantime, users can still set up or log in with MFA via Authenticator App. Please reach out to support if you cannot access your account.

This incident has been resolved.

All previously delayed messages should now be sent. We will continue to monitor our systems.

We have addressed the underlying issue. Users should no longer experience errors when using the Klaviyo application. Segmentation processing has also resumed. Message sending has resumed and any scheduled campaigns and flow messages will be sent on a delay. APIs are no longer returning errors, and API callers will need to re-try calls that received an error. We will continue to monitor our systems.

We have addressed the underlying issue. Users should no longer experience errors when using the Klaviyo application. Segmentation processing has also resumed. Message sending has resumed and any scheduled campaigns and flow messages will be sent on a delay. APIs are no longer returning errors, and API callers will need to re-try calls that received an error. We will continue to monitor our systems.

On February 7th at around 8:45 AM (US Eastern Time) we began experiencing an issue impacting access to the application, segmentation, APIs, flows, and messaging sending. The team is currently investigating the issue.

This incident has been resolved. All remaining delayed events have been processed.

Our team is continuing to work on processing the remaining 6% of delayed events. We will update this incident with our progress.

Our team has processed 94% of the delayed Ready to Review events. We will update this incident when the remaining 6% have been processed.

Our engineering team is working to release the delayed Ready to Review events. We will continue to keep this incident up to date with our progress.

On December 9th at around 10:30 Eastern Time, we experienced a technical issue which impacted Ready to Review events. As a result, some Ready to Review events corresponding to orders that occurred between December 9th and December 27th are delayed. This could lead to delayed review requests being sent out via Flows. Ready to Review events corresponding to orders that occurred after December 27th at around 2:15 Eastern Time are not delayed. Our team has identified the issue and is working to release the backlogged Ready to Review events. We will keep this incident up to date with our progress.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

Starting 2:50pm (US Eastern Time), due to a configuration issue, we began experiencing a range of degradations in the Klaviyo application. This includes image uploads, form publishing, the ability to view dashboards, ability to submit support tickets, and use of certain APIs. The root cause has been identified and we are currently working on a fix. We will provide updates as soon as possible.

This incident has been resolved.

We are currently experiencing an issue resulting in some visitors to Klaviyo.com unable to access the website. Please note, the Klaviyo app and API traffic are functioning normally. Our team is actively investigating the issue and working towards a resolution. In the meantime, users can continue accessing the app by visiting klaviyo.com/login directly or by clearing their cookies to restore website access. We appreciate your patience and will continue to provide updates.

Segment processing is now real-time. This incident has been resolved.

A fix has been implemented and we are monitoring the results. We expect real-time segment processing to be fully restored within 4 hours.

Starting around 8pm (US Eastern time), we began experiencing delays in real-time segment processing. Segments may be out of date by up to 3 hours. Flows triggered by segments, as well as segment-targeted forms, may be impacted. We are actively working to restore real-time processing and will continue to provide updates here.

This incident has been resolved. Klaviyo login is performing as expected.

Our engineering team has resolved the issue and is monitoring to ensure there are no other impacts.

Starting at approximately 9:05 am (US Eastern time) we began experiencing an issue preventing users from logging in to Klaviyo. Our Engineering Team is actively working to identify the root cause and quickly address the issue. We apologize for the disruption and aim to have this issue resolved as soon as possible.

This incident has been resolved.

A fix has been implemented. Delayed list and segment exports are now processing, and we expect for all delayed exports to be processed within 30 minutes. We will continue to monitor this incident.

Klaviyo has identified an issue preventing all customers from exporting list and segment information since 11:50 AM US Eastern Time. Users are still able to create exports, but they will appear as delayed. No data will be lost due to this issue, and the export will complete when a fix is released. We are actively working to resolve this issue.

This incident has been resolved. Flows processing is no longer delayed.

We have identified a root cause for this issue and are implementing a fix. However, flows processing currently is delayed by up to 90 minutes for 50% of flows volume, and we do not have an estimate for when processing will be back to real-time. We will post another update once a timeline is available.

Since 7:15 PM US Eastern Time on October 2, Klaviyo has been experiencing a delay in flows processing and sending for approximately 50% of flow volume. Affected flows are currently delayed by about 45 minutes. We are currently investigating this issue.

All delayed Active On Site events have now been successfully processed. And new events are processing within expected timeframes. This incident is resolved as of 4:19 PM Eastern Time.

We are continuing to process the backlog of delayed events. At this time, the longest delay in processing an event is around 1 hour.

We are continuing to process the backlog of delayed events. At this time, the longest delay in processing an event is around 11.5 hours.

We have identified the cause of this issue. We are continuing to process the backlog of delayed events. At this time, the longest delay in processing an event is still around 24 hours.

At around 4 PM Eastern Time on September 8th, Active on Site events began processing with delays. Currently, the longest delay in processing an event is around 24 hours. We are investigating whether any additional events are experiencing delays. As a result, segments or flows using Active on Site may be impacted. We are currently investigating the cause of this issue while working to process the backlog of delayed events and resume real-time processing of new events. We will update this incident with updates.

This incident is resolved. All profile delete and merge functionality has been restored. All deletes and merges paused during this time have been processed.

Starting at 9:00 AM US Eastern Time, Klaviyo began maintenance resulting in the pause of profile deletion and merging functionality. We are actively working to restore profile delete and merge functionality and will continue to provide updates here.

This incident is resolved. We were able to re-send double opt-in messages to a subset of the requests in the incident window.

Klaviyo experienced an issue with sending double opt-in emails from 11:06 AM (US Eastern Time) to 11:47 AM. For accounts using non-dedicated sending domains, double opt-in emails were not sent during that window, but they are now sending without issue. We are currently investigating if we can retry sending the double opt-in emails from during that window.

All campaign scheduling and sending functionality has been restored. All campaigns scheduled to be sent during the outage have been sent.

A fix has been implemented. New campaigns can now be scheduled as usual. Any campaigns scheduled to send between 1:35 PM US Eastern Time and 2:30 PM US Eastern Time are being sent now.

Starting at 1:35 PM US Eastern Time, Klaviyo began experiencing an issue with Campaign Scheduling. New scheduled campaigns will receive an error and existing scheduled campaigns cannot be edited. No campaigns are being sent at this time. We are actively working to restore campaign sending and scheduling functionality and will continue to provide updates here.

This incident has been resolved.

From 5:20am - 6:10am ET there was a deploy-related issue, causing elevated errors to our UI and APIs. Data from API calls that received 5xx errors during this window would have been lost. Message sending was not impacted. Our team has identified the issue and we are no longer observing errors. We will continue to monitor closely.

As of 7:17pm ET we've observed full recovery to app & API accessibility as well as campaign and flow sending. This incident is now resolved. Some campaigns that were cancelled or partially sent during the period of impact may need to be re-sent manually.

Site accessibility has mostly recovered. Campaign and flow sending have recovered. Some campaigns may have failed or partially failed to send during the period of impact, and may need to be re-sent manually. Some flows may have skipped sending during this window, but are being repaired.

Our Engineering Team has identified a fix and is working quickly to address this. We're observing recovery on site accessibility as well as on campaign and flow sending.

We are currently having an issue with site and API accessibility, which started around 3:25pm ET. Our engineering team is investigating the level of impact and the root cause.

This incident has been resolved.

We are continuing to monitor for any further issues.

A fix has been implemented, and there should no longer be any page load errors in the Klaviyo app. We are monitoring to ensure systems are operational.

We are investigating issues with intermittent page load errors in the app. Message sending is not impacted, only accessibility of pages in the app. We are working to resolve the issue.

On Tuesday, June 18, 2024, from 3:05 PM to 3:38 PM (US Eastern Time), email click and open events were not recorded and have been lost for a subset of users. During this time, links in emails sent may have led to an error screen. However, email sending and the ability to open emails were not affected and continued as expected. Since 3:38 PM (US Eastern Time), all links have been operating as expected, and both click and open email events continue to be recorded. Accounts using a static Branded Sending domain were not impacted. However, those using a Dynamic Branded Sending domain or no Branded Sending domain may have been affected. Your sending domain can be checked in your account settings: https://www.klaviyo.com/settings/email/domains

This incident has been resolved.

Starting at 1 PM (US Eastern Time), we observed recovery in site and API accessibility. Site and API availability are back to normal. Our Engineering Team continues to monitor the situation. Data from API requests that received a 502 error from 12:35 PM to 1 PM (US Eastern Time) would have been lost.

The issue has been identified and a fix is being implemented.

We are seeing a disruption in our site and API accessibility starting at 12:35 PM (US Eastern Time) on Wed, Jun 5, 2024. This is impacting users’ ability to access klaviyo.com as well as API requests. We are investigating the issue and working to mitigate the issue.

Beginning at 8:45 AM (US Eastern Time) on Friday, May 31, 2024 through 6:44 AM (US Eastern Time) on Monday, June 03, 2024, customers may have experienced disruption related to onsite Back in Stock form submissions. During this time, a portion of Back in Stock form submissions failed and were not processed. The underlying issue has been fixed and Back in Stock forms have since continued to process without error.

This incident has been resolved. We have confirmed that messages sent via toll-free continue to send with expected success rates since the fix at approximately 9:45 am Eastern Time.

A fix has been implemented on the provider side. We are seeing delivery success rates on toll-free messages return to normal and we are continuing to monitor volumes.

We continue to observe SMS message sends failing for US & CA Toll Free Numbers using the Klaviyo default unbranded shortened links. We are continuing to address the issue.

We have identified an issue impacting SMS sending for US & CA Toll Free Numbers using Klaviyo default shortened links. Message sending is currently failing for these SMS messages. SMS messages sent via other sending number types, such as short codes, or with branded shortened links are unaffected. We are actively working to address the issue.

This incident has been resolved.

We located the root cause and have resolved the issue causing distorted page elements as of 11:40 AM ET. There was no impact to message content, flow message sending, campaign message, and event processing. We are continuing to monitor the situation and we will continue to provide further updates.

Starting at approximately 11 AM ET, Klaviyo began experiencing issues where pages appear distorted. These issues are only impacting usability of the Klaviyo app, and not any other functionality. We are actively working to identify a root cause for these issues, and we’ll provide further updates as we know more.

This incident has been resolved.

We are currently experiencing delays in real-time segment processing. Segments may be out of date by up to 2 hours. Flows triggered by segments, as well as segment-targeted forms, may be impacted. The cause has been identified, and we are actively working to restore real-time processing. We will continue to provide updates here.

We have completed monitoring of this incident. All systems are performing as expected.

We continue to observe normal accessibility to the app and APIs. The full window of impact was from 4:12PM to 5:07PM (US Eastern). Any delayed messages from that time window have been sent. Most API calls (excluding Identify calls) made in that time window responded with failure response codes. Additionally, signup form submissions did not succeed, and any users of the signup forms received an error message in the form prompting them to try again later. We will continue to monitor our systems.

We have addressed the underlying issue. Access to the app and APIs has been restored as of 5:07PM (US Eastern). A small number of campaigns are sending on a delay. We are assessing the residual impact from this incident and will continue to closely monitor our systems.

We continue to investigate issues with app inaccessibility. This issue is affecting the ability to access the app (both login page and in-app), access APIs, and causing delays in message sending. We continue to work to resolve this incident.

As of 4:25 pm US Eastern on April 19, 2024, we identified an issue with intermittent inaccessibility with Klaviyo. We are actively investigating the issue and will update when we know more.

This incident has been resolved.

A fix has been implemented and we are monitoring the results.

We have now processed the delayed flow triggers. Additionally, any delayed flow messages have been sent. Systems are processing in real-time, and we will continue to monitor.

We have addressed the underlying database issue and flows functionality is now available. In-app flow pages are now available, and flow message sending has resumed. Any flows that should have triggered during the outage are expected to trigger on a delay. Any delayed flow messages will be sent.

We have identified a database issue affecting flows functionality, originally beginning at 6:05PM (US Eastern). This includes in-app flow pages, flow message sending, flow triggering, and any in-app reporting including flow message data. Campaign messaging and event processing is unaffected. We are working to fix the issue and will keep this page updated with further developments.

Starting at 6:20PM (US Eastern) we identified an issue impacting flows, affecting both in-app pages and flow message sending. We are investigating the issue and working to resolve the issue.

Segments are now processing in realtime, and all systems are operating normally. This incident is resolved.

Segments referencing profile properties have reduced to less than 25 minutes delay, and expect to be back to realtime within the hour. We will continue to monitor until the issue is resolved.

The team is continuing to see improvements, and requests to the Identity API are no longer delayed. Segments referencing profile properties continue to be delayed by up to 4 hours.

The team has made improvements, and event processing is no longer delayed. Segments referencing profile properties continue to be delayed by up to 4 hours. Requests to the Identify API are delayed by 1 hour. We are still working to resolve these delays.

The team has made improvements to address the underlying issue, but we continue to observe delays. Segments referencing profile properties are currently delayed by up to 4 hours. Requests to the Identify API and event processing are both delayed by 1 hour. We will continue to work to resolve the delays.

The team is triaging this issue and has pushed initial fixes. Segments referencing profile properties continue to be delayed by up to 2.5 hours. Requests to the Identify API continue to be delayed by 1 hour. Through further investigation we’ve also discovered that event processing is also delayed by up to 50 mins. We continue to work to fix the underlying issue and will keep this page updated with further developments.

Starting at 11:20am (US Eastern), any segment referencing a profile property in the criteria has been delayed in processing. Additionally, processing requests to the Identify API (e.g. profile creation & updates from onsite tracking) is delayed by 1.5 hours. Any Flows using these segments will also be impacted. The team is currently working to triage the issue, and we do not expect any lost data once these delays resolve.

This incident has been resolved.

A fix has been implemented and all flows builder functionality has been restored. Our engineers are continuing to monitor the issue to ensure recovery is maintained.

This issue has been identified and a fix has been implemented. Our engineering team is monitoring to ensure the fix resolves all issues.

At approximately 11:05 PM EDT we began experiencing errors in the flows builder impacting several areas of functionality related to creating and editing flows. Existing flows are not impacted and are sending as expected. We are actively working to restore all delays and will continue to provide updates here.

This incident has been resolved.

Our Engineering team has located the root cause and released a fix at 12:20 PM EDT. We are continuing to monitor the situation and we will continue to provide further updates.

Starting around 11 AM EDT we began to see login problems affecting Klaviyo accounts, along with occurrences of 'white' or 'blank' pages throughout Klaviyo. This is not currently impacting Email, SMS, or Push notification sending. Our Engineering team is actively working on a solution and continuing to make progress on this. We apologize for any disruption this may have caused and we will continue to keep you updated as we make progress.

This incident has been resolved.

A fix has been implemented for the issue and we are monitoring the results.

The issue has been identified and a fix is being implemented.

Starting at approximately 2:10 PM EST, Klaviyo started experiencing delays in page loading impacting multiple pages which can include campaigns creation, reviewing campaigns, and campaigns reporting and analytics for email, push, and SMS. Scheduled campaigns may also be experiencing some delays. Our Engineering Team is actively working to identify the root cause and quickly address the issue. We apologize for the disruption and aim to have this issue resolved as soon as possible.

This incident has been resolved.

A fix has been implemented and we are continuing to monitor the results.

At approximately 9:15pm EST tonight we began experiencing delays in form subscribes and flows as well as manual tasks in segmentation. V2 and V3 subscribes API is also experiencing delays. We are actively working to restore all delays and will continue to provide updates here.

This incident has been resolved.

We have identified a root cause and have implemented a fix. The duration of the delays is decreasing, and we estimate processing will be back to real-time within 1 hour.

We are currently experiencing delays in real-time segment processing for segments based on profile properties. Segments using profile properties may be out of date by up to 2.25 hours. Flows triggered by this kind of segment, as well as segment-targeted forms, may be impacted. We are actively working to restore real-time processing and will continue to provide updates here.

This issue has been resolved. If you were affected by the issue, please refresh your page to proceed.

Users in France are encountering error messages while attempting to schedule campaigns. This issue may prevent users from scheduling campaigns. It is intermittent in nature, and retrying the action several times should enable you to proceed successfully. We are currently investigating the issue.