# Cloudflare incident disrupting onsite events

- Provider: [Klaviyo](https://down.guide/klaviyo)
- Level: confirmed
- Impact: Partial outage
- lasted 5h 7m
- started 2025-11-18 13:58 UTC
- Server-side, Sign-up Forms, Lists +1
- us
- id: DWN-e5d4afa9a3
- Official page: https://stspg.io/k0fc5ckvcp0f

## Updates from Klaviyo
### 2025-11-18 13:58 UTC: identified
Cloudflare declared an incident around 6:30 am US Eastern causing all onsite activities, such as unsubscribe and subscribe preference pages and onsite form submissions to error out. Forms appear, but no requests or related events or subscriptions are processing. API calls are also experiencing 403s. https://www.cloudflarestatus.com/incidents/8gmgl950y3h7
We're currently investigating mitigation steps for the affected features.

### 2025-11-18 14:34 UTC: monitoring
Fixes have been implemented for some services and we are monitoring the issues.

### 2025-11-18 19:06 UTC: resolved
This incident has been resolved, as of 2 pm US eastern. All affected components are operational.

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