Live status & reliability report

Klaviyo status, outages & reliability

Klaviyo is an email and SMS marketing platform aimed at ecommerce businesses, headquartered in Boston.

Data updated Nov 1, 2026 · score recalculated

Over the last 90 days Klaviyo had 99.26% effective uptime across 13 status page incidents (5 partial or major outages), resolving them in 3h 39m on average.

62.2/100Reliability scoreVisit Klaviyo ↗

Is Klaviyo down right now?

No, Klaviyo is up and running.

  • Klaviyo's status page reports all systems operational. Checked .
  • All 3 Klaviyo pages we check are responding. Checked .

Official Klaviyo status page ↗

Uptime (90d)99.26%15h 55m weighted downtime
Incidents (90d)132.8 per 30 days
Major / partial outages5
Avg time to resolve3h 39m
Outages we detected0by our independent probes

90-day uptime

Aug 4, 2026: no incidentsAug 5, 2026: 99.29% uptime, 1 incident (Degraded performance)Aug 6, 2026 – Aug 18, 2026: no incidentsAug 19, 2026: 99.13% uptime, 1 incident (Degraded performance)Aug 20, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 92.58% uptime, 1 incident (Partial outage)Aug 28, 2026 – Sep 13, 2026: no incidentsSep 14, 2026: 98.44% uptime, 1 incident (Degraded performance)Sep 15, 2026: 98.83% uptime, 1 incident (Degraded performance)Sep 16, 2026: no incidentsSep 17, 2026: 98.38% uptime, 1 incident (Degraded performance)Sep 18, 2026 – Sep 20, 2026: no incidentsSep 21, 2026: 98.72% uptime, 1 incident (Degraded performance)Sep 22, 2026 – Oct 7, 2026: no incidentsOct 8, 2026: 94.95% uptime, 1 incident (Major outage)Oct 9, 2026: 98.68% uptime, 1 incident (Degraded performance)Oct 10, 2026 – Oct 16, 2026: no incidentsOct 17, 2026: 89.95% uptime, 1 incident (Partial outage)Oct 18, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 96.53% uptime, 1 incident (Partial outage)Oct 23, 2026: 72.67% uptime, 1 incident (Partial outage)Oct 24, 2026 – Oct 28, 2026: no incidentsOct 29, 2026: 95.47% uptime, 2 incidents (Partial outage)Oct 30, 2026 – Nov 1, 2026: no incidents
90 days ago99.263% average daily uptimeToday
  • No incidents
  • Degraded
  • Partial outage
  • Major outage
  • No data

Key facts about Klaviyo's reliability

  • Over the past 12 months, Klaviyo published 39 incidents on its status page, 16 of them partial or major outages.
  • Its longest outage on record in that time was “Klaviyo Service Disruption” on May 5, 2026, which lasted 2d 1h.
  • The part of Klaviyo most often affected was Email Sending (15 of 39 incidents).
  • Klaviyo reported 13 incidents in the last 90 days, down from 15 in the 90 days before.
  • Klaviyo's 90-day uptime of 99.26% is below the average for email marketing platforms (99.71%).

Score breakdown

Uptime · 40% weight
44
99.263% effective uptime
Incident frequency · 20% weight
49
2.83 weighted incidents per 30 days
Time to resolve · 20% weight
74
3h 39m average
Transparency · 20% weight
100
No unreported outages detected

How the score is calculated →

Incidents per month

024682 partial outage incidents1 degraded performance incident2 informational incidents5Dec1 partial outage incident1Jan ’26Feb1 partial outage incident1Mar1 degraded performance incident1Apr1 major outage incident4 degraded performance incidents5May1 major outage incident2 partial outage incidents2 degraded performance incidents5Jun1 partial outage incident4 degraded performance incidents5Jul1 partial outage incident2 degraded performance incidents1 informational incident4Aug3 degraded performance incidents3Sep1 major outage incident3 partial outage incidents1 degraded performance incident1 informational incident6OctNov
  • Major outage
  • Partial outage
  • Degraded
  • Informational

Response time

Daily average response time of Klaviyo's public pages, measured by our probes.

Not enough data yet — this chart fills in as our monitoring runs.

Score trend

Daily reliability score (rolling 90-day window).

Not enough data yet — this chart fills in as our monitoring runs.

Klaviyo incident history (last 90 days)

Source: Klaviyo status page · last checked

Our independent monitoring

We check these public Klaviyo pages every 5 minutes. An outage is recorded after two consecutive failed checks.

PageLast checkUptime (30d)Avg response
HomepageUp 100%543 ms
LoginUp 100%88 ms
Onsite JS (sign-up forms)Up 100%56 ms

How Klaviyo compares

Most reliable Klaviyo alternatives →

Klaviyo status FAQ

Is Klaviyo down right now?

No, Klaviyo is up and running. Klaviyo's status page currently reports all systems operational, and all 3 of the Klaviyo pages we check every five minutes are responding. This page updates automatically when that changes.

How reliable is Klaviyo?

Klaviyo has a reliability score of 62.2 out of 100, ranking #11 of 13 email marketing platforms. Over the last 90 days it had 99.26% effective uptime.

How often does Klaviyo have outages?

Klaviyo published 13 incidents on its status page in the last 90 days (5 partial or major outages) and 39 in the past 12 months.

How long do Klaviyo outages last?

Klaviyo resolves incidents in 3h 39m on average. Its longest outage in the past year lasted 2d 1h, on May 5, 2026.

Does Klaviyo have a status page?

Yes. Klaviyo's official status page is status.klaviyo.com. We read it every five minutes and keep its full incident history.