Klaviyo: Campaign scheduling errors
Affected components: Campaigns - Mobile Push SendingMobile Push SendingCampaigns - WhatsApp SendingWhatsApp SendingCampaigns - Text Message SendingText Message SendingCampaigns - Email SendingEmail Sending
Timeline of updates
- monitoring
Between 1:15 PM and 2:00 PM US/Eastern on August 12, 2026, some customers experienced errors when scheduling campaigns, and some scheduled campaigns were canceled. If you scheduled a campaign during this window, we recommend checking its status in your account. A fix has been deployed and system performance is improving. We continue to monitor closely and will confirm once fully resolved.
- resolved
Campaign scheduling has returned to normal operation. If you scheduled a campaign between 1:15 PM and 2:00 PM US/Eastern on August 12, 2026, we recommend checking its status and rescheduling if needed. This incident has been resolved.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
b08856af0b8c558e…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Klaviyo, started 2026-08-12 18:04 UTC, resolved after 9 min, 2 update(s).
- Title
- Campaign scheduling errors
- Vendor
- Klaviyo
- Date
- URL
- https://rewindex.com/company/klaviyo/incidents/vbszswghtv4g
Klaviyo profileRecent Klaviyo incidentsAll outages on August 12, 2026Klaviyo in August 2026MarkdownJSON