Klaviyo Status: check for Klaviyo outages and issues

Klaviyo status is Operational

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Klaviyo API

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See all 43 Klaviyo components

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Active Incidents

No active incidents

Recently Resolved Incidents

API 503 Errors

Started 26 Apr 2026 07:24:30 (2 days ago), resolved 26 Apr 2026 08:11:07 (2 days ago)

Minor Incident

Resolved

Klaviyo API

Starting at approximately 2:27 AM US/Eastern on 04/25/2026, we began experiencing intermittent elevated errors across our APIs. Some customers may experience 503 errors when trying to log into Klaviyo, load certain pages or make API requests. Our Engineering Team has identified the root cause and has implemented mitigations. We'll provide updates as soon as more information is available.

See all updates

Klaviyo Outage Survival Guide

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API 503 Errors

Started 26 Apr 2026 07:24:30 (2 days ago), resolved 26 Apr 2026 08:11:07 (2 days ago)

Minor Incident

Resolved

Klaviyo API

See all updates

Klaviyo Email Sending

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Campaign Email Sending

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Flow Email Sending

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Email Deliverability

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Email Content

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Klaviyo SMS Sending

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SMS Sending - Toll Free Number SMS

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SMS Sending - Toll Free Number MMS

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SMS Sending - Short Code SMS

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SMS Sending - Short Code MMS

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SMS Sending - Other

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SMS Deliverability

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SMS Content

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SMS Number Provisioning

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Klaviyo Mobile Push Sending

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Klaviyo Integrations

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Integrations - Shopify

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Integrations - WooCommerce

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Integrations - BigCommerce

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Integrations - Magento

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Integrations - Magento 2

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Integrations - Other

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Klaviyo Analytics

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Klaviyo Segmentation

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Klaviyo Reviews

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Klaviyo Flow Triggering

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Klaviyo List Subscription

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Klaviyo Signup Forms

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Klaviyo Unsubscribe & Preference Pages

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Klaviyo.com

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Klaviyo Help Center

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Klaviyo Developers

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Klaviyo Academy

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Klaviyo Profiles

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Klaviyo K:Service

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Customer Agent

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Customer Hub

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Helpdesk

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Klaviyo Status

Real-time updates of Klaviyo issues and outages

Klaviyo status is Operational

Klaviyo API

You're checking on Klaviyo - but is your own site converting?

Active Incidents

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Klaviyo Outage Survival Guide

Klaviyo Components

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Klaviyo Support

Klaviyo API

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Campaign Email Sending

Flow Email Sending

Email Deliverability

Email Content

Klaviyo SMS Sending

SMS Sending - Toll Free Number SMS

SMS Sending - Toll Free Number MMS

SMS Sending - Short Code SMS

SMS Sending - Short Code MMS

SMS Sending - Other

SMS Deliverability

SMS Content

SMS Number Provisioning

Klaviyo Mobile Push Sending

Klaviyo Integrations

Integrations - Shopify

Integrations - WooCommerce

Integrations - BigCommerce

Integrations - Magento

Integrations - Magento 2

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Klaviyo Analytics

Klaviyo Segmentation

Klaviyo Reviews

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Klaviyo.com

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Customer Hub

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