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Cloudflare Workers Outage History

Every past Cloudflare Workers outage tracked by IsDown, with detection times, duration, and resolution details.

There were 58 Cloudflare Workers outages since September 2025. The 58 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor March 23, 2026

March 2026: Workers API increased latency

Detected Mar 23, 2026 11:04 AM EDT · Resolved Mar 23, 2026 3:41 PM EDT · Duration about 5 hours

Cloudflare Workers API experienced increased latency for 4.6 hours, affecting Cloudflare Sites and Services and Workers components. The issue was identified and a fix was implemented, with API latency returning to normal levels. The team continued monitoring after resolution to ensure stability.

Minor March 19, 2026

March 2026: Cloudflare Pages API is seeing increased error rate.

Detected Mar 19, 2026 11:54 AM EDT · Resolved Mar 19, 2026 11:58 AM EDT · Duration 4 minutes

The Cloudflare Pages API experienced an increased error rate that affected the Workers & Pages section in the Cloudflare Dashboard and Workers Builds functionality. Deployed Workers and Pages projects continued to operate normally during the incident. The issue was resolved within 4 minutes.

Minor March 18, 2026

March 2026: Pages API, Pages Builds and Workers Builds issues

Detected Mar 18, 2026 4:53 PM EDT · Resolved Mar 18, 2026 5:12 PM EDT · Duration 20 minutes

Cloudflare experienced an issue affecting the Pages API, Pages Builds, and Workers Builds from 20:22 to 20:50 UTC on March 18th, 2026. Customers encountered an elevated number of 500 errors and build failures during this 28-minute incident. The issue has been identified and resolved.

Minor March 16, 2026

March 2026: Cloudflare Workers Issues

Detected Mar 16, 2026 5:42 PM EDT · Resolved Mar 17, 2026 5:15 PM EDT · Duration about 24 hours

Cloudflare Workers experienced an increased level of errors affecting customers running Workers scripts, which also impacted Cloudflare Sites and Services. The incident lasted 23.5 hours before Cloudflare identified and implemented a fix. The service is now being monitored to ensure the resolution is effective.

Minor March 16, 2026

March 2026: Elevated Error Rates for Workers AI Services

Detected Mar 16, 2026 10:02 AM EDT · Resolved Mar 16, 2026 11:37 AM EDT · Duration about 2 hours

Cloudflare Workers AI services experienced elevated error rates, specifically increased timeout (408) errors affecting multiple AI models. The incident impacted Cloudflare Sites and Services along with Workers AI functionality for 1.6 hours. Engineering teams implemented a fix and continued monitoring the results.

Minor March 2, 2026

March 2026: Workers and Pages builds, Pages API unavailable

Detected Mar 2, 2026 3:57 PM EST · Resolved Mar 2, 2026 4:48 PM EST · Duration about 1 hour

Cloudflare Workers and Pages builds, along with the Pages API, experienced service disruption for 52 minutes starting at 20:22 UTC, causing 5xx errors and build failures. The issue affected Cloudflare Sites and Services, Pages, and Workers Builds components. Cloudflare identified and implemented a fix, with builds stabilizing by 21:12 UTC and remaining under monitoring.

Minor March 2, 2026

March 2026: Unable to view logs in Durable Objects dashboard

Detected Mar 2, 2026 7:01 AM EST · Resolved Mar 2, 2026 10:29 AM EST · Duration about 3 hours

Cloudflare Workers experienced an issue where users were unable to view logs in the Durable Objects dashboard, affecting Workers Observability functionality. The problem was identified after investigation and a fix was implemented. The incident lasted 3.3 hours with minor impact to service operations.