Klaviyo Helpdesk, Customer Hub, and Customer Agent services Outage

What to do

• Check whether you use Klaviyo Customer Agent, Helpdesk, Customer Hub in us. 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 38m it lasted.

  Anything that failed between 2025-11-28 20:27 UTC and 2025-11-28 22:05 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 4

1. investigatingNov 28, 2025, 8:27 PM UTC

   Starting at 3:00pm (US Eastern), Klaviyo Helpdesk, Customer Hub, and the onsite web chat functionality of Customer Agent are unavailable. Our team is investigating the issue and will update with progress as soon as possible.

   provider

2. identifiedNov 28, 2025, 8:46 PM UTC

   Starting at 3:40pm (US Eastern), we have restored access to these services (Customer Hub, Helpdesk, and Customer Agent). We continue to closely monitor these systems.

   provider

3. monitoringNov 28, 2025, 9:11 PM UTC

   Access to these services (Customer Hub, Helpdesk, and Customer Agent) remains stable. We are continuing to closely monitor these systems.

   provider

4. resolvedNov 28, 2025, 10:05 PM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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