Is Klaviyo down?

Working normallyChecked 24 min ago

Klaviyo says everything is working.

From Klaviyo's official status page, read again when you open this page. This page updates by itself.

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Email us and we'll tell you when Klaviyo reports a major outage, and when it's working again.

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Klaviyo's last 90 days

Problems reported: 10
Time with problems: 23 h 21 min
Major outages: 9 h 36 min
Last problem: 17 Oct

90 days agoToday

No problems
Some problems
Major outage
Planned work
No record yet

Recent problems

17 Oct18:01
Flow Sending Delays
Major outage · 4 h 49 min
9 Oct01:10
Analytics Events Processing Delays
Some problems · 2 h 6 min
8 Oct16:00
Login and page loading issues
Major outage · 1 h 13 min
21 Sep16:56
Flow sending delays
Some problems · 2 h 3 min
17 Sep18:10
Flow sending delays
Some problems · 2 h 35 min
14 Sep22:30
Sending delays for event-triggered flows
Some problems · 4 h 21 min
27 Aug01:09
Issue with Time Delays in Flows
Major outage · 3 h 34 min
19 Aug18:15
Delays in real-time segmentation
Some problems · 1 h 23 min

What Klaviyo reports on

ComposerWorking
AnalyticsWorking
PlatformWorking
CampaignsWorking
APIWorking
FlowsWorking

If Klaviyo isn't working

Other apps that do the same job, ranked by their own record over the last 90 days.

App	Now	Problems, last 90 days	Time with problems	Website
Kit	Working normally	0	0 min	Visit Kit
MailerLite	Working normally	0	0 min	Visit MailerLite
Mailjet	Working normally	1	32 min	Visit Mailjet
Constant Contact	Working normally	5	2 days 3 h	Visit Constant Contact
Mailgun	Working normally	10	14 h 33 min	Visit Mailgun

Ranked by their own reported problems over the last 90 days. * The record for this app is still filling in.

Is Klaviyo safe to use?

Facts from its own public records, checked every day.

Fake emails in its name: Blocked. Emails pretending to come from klaviyo.com are rejected by inboxes. Check your own domain with LeadLamp
Secure connection: Yes. Its website certificate is valid until 15 Feb 2027 (issued by Amazon).
Security contact: Not published. We didn't find a security.txt file telling researchers where to report problems. Many apps use their help pages instead.
Known data breaches: None listed. Have I Been Pwned lists no data breaches for klaviyo.com.

Checked 21 Oct 2026 from klaviyo.com's public records. Breach data from Have I Been Pwned (CC BY 4.0).

About Klaviyo

Email and text marketing for online shops.

Visit Klaviyo

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