We see check failure rates dropped back to normal levels. Cloudflare resolved their incident.

We see check failure rates dropping across the board and Cloudflare put their incident in monitoring.

We are seeing elevated check failure rates across our customer base returning 500 from Cloudflare. We tracking the Cloudflare incident closely. We are using Cloudflare ourselves for Web app and API but NOT check runner infrastructure and alerting. Your checks are running and alerts are sending. Cloudflare incident: https://www.cloudflarestatus.com/incidents/lfrm31y6sw9q