Klaviyo: Klaviyo App Access Issues
Affected components: Klaviyo AppKlaviyo App - Klaviyo AppKlaviyo APIServer-side
Timeline of updates
- resolved
Between 10:50am - 11:03am US/Eastern on 8/27/25, we experienced an issue that resulted in errors accessing the Klaviyo app, disruption in event ingestion, and issues submitting signup forms.
We have resolved the issue.
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
5e4938603b396893…
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 2025-08-27 15:26 UTC, resolved after 0 min, 1 update(s).
- Title
- Klaviyo App Access Issues
- Vendor
- Klaviyo
- Date
- URL
- https://rewindex.com/company/klaviyo/incidents/53s9zzzwccty
Klaviyo profileRecent Klaviyo incidentsAll outages on August 27, 2025Klaviyo in August 2025MarkdownJSON