Login and page loading issues

What to do

• Check whether you use Klaviyo Klaviyo App. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 1h 13m it lasted.

  Anything that failed between 2026-10-08 15:00 UTC and 2026-10-08 16:13 UTC may need a replay.

• Subscribe to Klaviyo's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=klaviyo works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Klaviyo 5

1. investigatingOct 8, 2026, 3:00 PM UTC

   We are investigating reports that some customers are unable to log in to Klaviyo or are seeing pages load slowly or not at all. Our team is actively working to restore normal access. We will share another update as soon as we have more information.

   provider

2. investigatingOct 8, 2026, 3:29 PM UTC

   We are continuing to investigate issues preventing some customers from logging in to Klaviyo or loading pages in the app. We have not seen any impact to campaign or flow sending. We will share another update as soon as we have more information.

   provider

3. identifiedOct 8, 2026, 3:49 PM UTC

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

   provider

4. monitoringOct 8, 2026, 4:06 PM UTC

   A fix has been deployed, and customers should now be able to log in to Klaviyo and load pages normally. If you were logged out during this incident, you may need to log in again. We continue to monitor closely and appreciate your patience throughout this incident.

   provider

5. resolvedOct 8, 2026, 4:13 PM UTC

   Customers can now log in to Klaviyo and load pages normally, and the system remains stable. This incident has been resolved.

   provider

Corrections

None so far.

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