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Klaviyo: Klaviyo Loading Errors and Sending Delays

Affected components: Email SendingEmail Sending - Flow Email SendingKlaviyo AppKlaviyo App - Klaviyo AppEmail SendingEmail Sending - Campaign Email Sending

Timeline of updates

1. investigating2026-07-07 15:33 UTC

   Customers may be experiencing slower than usual performance when loading or navigating Klaviyo, and some sends may be delayed. We are actively investigating. We will share another update as soon as we have more information.

2. identified2026-07-07 15:56 UTC

   Performance issues affecting login and general navigation in Klaviyo have recovered, and those areas are now operating normally. Some customers may still be experiencing delays with sends while we work to fully restore normal processing. We have identified the cause and are working to resolve the remaining impact as quickly as possible. We will share another update shortly.

3. identified2026-07-07 16:32 UTC

   Campaign and flow sends are now delayed by less than 30 minutes and are continuing to recover. Login and navigation are operating normally. We will share another update shortly.

4. monitoring2026-07-07 16:47 UTC

   Sending delays have recovered, and login and navigation are operating normally. We continue to monitor closely and appreciate your patience throughout this incident.

5. resolved2026-07-07 16:56 UTC

   All systems are operating normally. This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Klaviyo profile · Recent Klaviyo incidents · Markdown · JSON