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Outage tracker / Klaviyo

Is Klaviyo down?

Short linkrlup.io/down/klaviyo

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Vendor reports an incidentWhat Klaviyo reports

Klaviyo reports an incident on its status page: Klaviyo app slowness.

Impact: major. Since 2026-11-04 16:17 UTC.

Latest update, 2026-11-04 23:12 UTC: Reporting and metrics have caught up and are now up to date, and requests to our metrics and reporting APIs are returning normally. If you recently changed your attribution settings, updated revenue attribution for past messages may take longer than usual to appear. We continue to monitor closely and appreciate your patience throughout this incident.

Klaviyo's status page

Our regional reading

This is our own reading from outside, shown beside the vendor's statement. It is not counted as a separate outage.

Checks passingchecked 1 minute ago

Our checks of Klaviyo pass from all 4 regions we check.

As of Nov 5, 2026, 3:08 PM UTC, RealUptime's checks of Klaviyo passed in all 4 regions that returned a reading.

Front-door and live API checks

our check readinglive · checked Nov 5, 2026, 3:08 PM UTC
US-East1015 msChecks passing
US-West1050 msChecks passing
Europe556 msChecks passing
Asia-Pacific1863 msChecks passing
their status pagetheir claim, not our reading

Klaviyo reports: All systems operational (“All Systems Operational”)

from Klaviyo's own status page, checked Nov 5, 2026, 2:52 PM UTC

Klaviyo reports an active incident: Klaviyo app slowness (partial outage, since Nov 4, 2026, 4:17 PM UTC). Their summary currently reads “All systems operational” even so: the summary and the incident come from two separately polled feeds and can disagree.

Klaviyo's own status page shows no incident, and our checks of Klaviyo pass right now.

Klaviyo's own component breakdown, as they publish it

  • Auto-repliesOperational
  • Email DeliverabilityOperational
  • Email SendingOperational
  • Email SendingOperational
  • Klaviyo AppOperational
  • ListsOperational
  • Server-sideOperational
  • ShopifyOperational
  • Sign-up FormsOperational
  • Client-sideOperational
  • ContentOperational
  • Customer AgentOperational
  • Landing PagesOperational
  • MetaOperational
  • SegmentsOperational
  • Text Message DeliverabilityOperational
  • Text Message SendingOperational
  • Text Message SendingOperational
  • ComposerOperational
  • Consent PagesOperational
  • HelpdeskOperational
  • Klaviyo SupportOperational
  • ProfilesOperational
  • WhatsApp SendingOperational
  • WhatsApp SendingOperational
  • WooCommerceOperational
  • BigCommerceOperational
  • Customer HubOperational
  • Klaviyo Help CenterOperational
  • Mobile Push SendingOperational
  • Mobile Push SendingOperational
  • Campaign EditorOperational
  • Flow EditorOperational
  • Klaviyo DevelopersOperational
  • MagentoOperational
  • ReviewsOperational
  • Klaviyo MarketingOperational
  • OtherOperational
  • ProcessingOperational
  • AnalyticsOperational

These are Klaviyo's components, named and scored by Klaviyo. We do not map them onto the functions we check above, because we have no way to know which of their components our checks touch. Two lists, side by side, neither one rewriting the other.

This is Klaviyo's own claim about their service, shown separately from what we measured. We never change our own numbers based on what a vendor reports, and this reading never changes theirs. Read both.

Klaviyo response time, by region

US-East
1.3sp95 · latest
2s1s0ms
US-East response time (p95) over the last 30 daysDaily 95th-percentile response time for US-East, scaled to a maximum of 2s. Days with no samples are not plotted, not shown as zero.2026-11-02 UTC: p95 1.8s2026-11-03 UTC: p95 1.6s2026-11-04 UTC: p95 1.4s2026-11-05 UTC: p95 1.3s
Oct 7Oct 21Nov 5
US-West
1.8sp95 · latest
2s1s0ms
US-West response time (p95) over the last 30 daysDaily 95th-percentile response time for US-West, scaled to a maximum of 2s. Days with no samples are not plotted, not shown as zero.2026-11-02 UTC: p95 1.6s2026-11-03 UTC: p95 1.7s2026-11-04 UTC: p95 1.7s2026-11-05 UTC: p95 1.8s
Oct 7Oct 21Nov 5
Europe
1.1sp95 · latest
2s1s0ms
Europe response time (p95) over the last 30 daysDaily 95th-percentile response time for Europe, scaled to a maximum of 2s. Days with no samples are not plotted, not shown as zero.2026-11-02 UTC: p95 1.6s2026-11-03 UTC: p95 1.1s2026-11-04 UTC: p95 1.1s2026-11-05 UTC: p95 1.1s
Oct 7Oct 21Nov 5
Asia-Pacific
2.8sp95 · latest
5s2.5s0ms
Asia-Pacific response time (p95) over the last 30 daysDaily 95th-percentile response time for Asia-Pacific, scaled to a maximum of 5s. Days with no samples are not plotted, not shown as zero.2026-11-02 UTC: p95 3.8s2026-11-03 UTC: p95 2.4s2026-11-04 UTC: p95 2.5s2026-11-05 UTC: p95 2.8s
Oct 7Oct 21Nov 5

Check your own site while you wait on Klaviyo

Watching an outage above does not tell you whether your own connection or site is also having a problem. Enter your own URL for one live check, right now, no signup. This checks the site you enter, not Klaviyo. It cannot diagnose Klaviyo's own systems.

What we measured, function by function

Klaviyo answers on more than one surface, and they can fail apart. Each row is one surface, checked from the same regions. The verdict above follows the api row, because that is the surface we treat as this service's own; a failure on any other row is a partial outage, not a full one.

  • WebUS-East: Checks passingUS-West: Checks passingEurope: Checks passingAsia-Pacific: Checks passingUS-Central: Not monitored from this regionCanada: Not monitored from this regionUK: Not monitored from this regionSoutheast Asia: Not monitored from this regionAustralia: Not monitored from this regionSouth America: Not monitored from this region
  • APIprimaryUS-East: Checks passingUS-West: Checks passingEurope: Checks passingAsia-Pacific: Checks passingUS-Central: Not monitored from this regionCanada: Not monitored from this regionUK: Not monitored from this regionSoutheast Asia: Not monitored from this regionAustralia: Not monitored from this regionSouth America: Not monitored from this region

Email me when Klaviyo reports an incident on its status page, and again when it reports it resolved.

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Email me when Klaviyo reports an incident on its status page, and again when it reports it resolved. No account, no card.

Delivery channel

Double opt-in: nothing is sent until you click the link in the confirmation email. One email when it reports an incident, one when it reports it resolved, and a one-click unsubscribe in every one. We do not send anything else to this address.

This is Klaviyo's own statement from its status page, with our regional reading beside it.

What are you seeing? (optional)

No account needed, and we never store your IP address. Reports are counted separately from our own measurements and are always shown as unverified.

What our checks show, and what people reported

  • North America
    Not monitored from this regionUS-East, US-West, US-Central, Canada
    • US-East
      Checks passinglatency: 1015msstatus code: 401checked: Nov 5, 2026, 3:08 PM UTC
      0 people in the last 5 minutesNot enough reports to sayOur US-East probes reach Klaviyo normally. We do not have enough reports from US-East to say anything about what people there are seeing.
    • US-West
      Checks passinglatency: 1050msstatus code: 401checked: Nov 5, 2026, 3:06 PM UTC
      0 people in the last 5 minutesNot enough reports to sayOur US-West probes reach Klaviyo normally. We do not have enough reports from US-West to say anything about what people there are seeing.
    • US-Central
      Not monitored from this regionKlaviyo is not monitored from this region.
      0 people in the last 5 minutesNot enough reports to say
    • Canada
      Not monitored from this regionKlaviyo is not monitored from this region.
      0 people in the last 5 minutesNot enough reports to say
  • South America
    Not monitored from this regionKlaviyo is not monitored from this region.
    0 people in the last 5 minutesNot enough reports to say
  • Europe
    Not monitored from this regionEurope, UK
    • Europe
      Checks passinglatency: 556msstatus code: 401checked: Nov 5, 2026, 3:07 PM UTC
      0 people in the last 5 minutesNot enough reports to sayOur Europe probes reach Klaviyo normally. We do not have enough reports from Europe to say anything about what people there are seeing.
    • UK
      Not monitored from this regionKlaviyo is not monitored from this region.
      0 people in the last 5 minutesNot enough reports to say
  • Asia Pacific
    Not monitored from this regionAsia-Pacific, Southeast Asia, Australia
    • Asia-Pacific
      Checks passinglatency: 1863msstatus code: 401checked: Nov 5, 2026, 3:00 PM UTC
      0 people in the last 5 minutesNot enough reports to sayOur Asia-Pacific probes reach Klaviyo normally. We do not have enough reports from Asia-Pacific to say anything about what people there are seeing.
    • Southeast Asia
      Not monitored from this regionKlaviyo is not monitored from this region.
      0 people in the last 5 minutesNot enough reports to say
    • Australia
      Not monitored from this regionKlaviyo is not monitored from this region.
      0 people in the last 5 minutesNot enough reports to say

Somewhere else or not sure: 0 people in the last 5 minutes

These are unverified reports from people using Klaviyo, counted separately from what our own probes measure. Anyone can file one, no account is needed, and the region on a report is chosen by the person filing it. We never open, extend or close an outage in our record based on report volume: only our own measurements do that. We have not received any reports for Klaviyo yet, which is not evidence that nothing is wrong.

Recent probe events

Klaviyo app slownessdeclared on their status page2026-11-04
Campaign Sending Delays, 2h 10mdeclared on their status page2026-10-29
Elevated flow recipient skips, 23h 43mdeclared on their status page2026-10-28
Outbound Webhook Delays, 14h 47mdeclared on their status page2026-10-22
Flow Sending Delays, 4h 49mdeclared on their status page2026-10-17
Analytics Events Processing Delays, 2h 6mdeclared on their status page2026-10-09
Login and page loading issues, 1h 13mdeclared on their status page2026-10-08
Flow sending delays, 2h 3mdeclared on their status page2026-09-21

check entries are our own probes' readings; declared entries are the vendor's. How this check works

We have been measuring Klaviyo since November 2, 2026. We show nothing from before that date, and we never add an outage we did not observe ourselves, from any source.

Need this in writing? Generate an SLA evidence report for Klaviyo covering any window you pick, with our check readings and Klaviyo's own claim at the time, side by side.

Full check history for Klaviyo: 90 days of check results by region, month-by-month uptime by our checks, and every probe event on record.

Monitor your own site the same way

This page shows what we see when we check this service, using the same ten regions, for a site you run. RealUptime Monitor watches your own servers from inside your network, and it starts free.

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Put this badge in your README

Klaviyo uptime by RealUptime's checksLive, from this page's own readings.
[![Klaviyo uptime by RealUptime's checks](https://realuptime.io/outages/klaviyo/badge.svg?days=30)](https://realuptime.io/outages/klaviyo)
<a href="https://realuptime.io/outages/klaviyo"><img src="https://realuptime.io/outages/klaviyo/badge.svg?days=30" alt="Klaviyo uptime by RealUptime's checks" height="20"></a>

Share of checks passed over 30 days; the window is printed on it. If our readings go stale it says stale, and if we have no readings it says so and shows no color. How the badge works.

To cite this page: RealUptime, "Is Klaviyo down?", https://realuptime.io/outages/klaviyo. The readings change with every check, so give the date you read them.

What we check

primaryfunctional: live API
https://a.klaviyo.com/api/accounts/
secondary
https://www.klaviyo.com/
secondary
https://status.klaviyo.com/

What our check can and cannot see

A pass means the service's servers answered with the sign-in refusal they give any request that is not signed in. It does not show that sign-in works or that anything behind the sign-in wall responds.

Host checked: a.klaviyo.com

RealUptime is not affiliated with Klaviyo; the name identifies what we checked, and nothing here speaks for Klaviyo's own team. We send a single web request to Klaviyo from 4 regions on our own schedule and time the response. We do not see inside Klaviyo's systems, do not use an account or real transaction, and are not the same signal Klaviyo's own team has access to. Treat this as one external data point, not a verdict. At least one endpoint we check for Klaviyo is a real functional API call (marked “functional” above), not just a landing page, so a passing check there says an API answered, though it still does not show that every feature of the service works for you. Klaviyo operates in a limited set of regions, so we only check it from where it is actually available; we do not probe from a region we know it does not serve. We started monitoring this service on November 2, 2026 (3 of 14 days so far, 3768 of 500 checks). We show a full track record once we have enough continuous history. Check back soon, or monitor your own site continuously with RealUptime. Read the full methodology.

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