Contentful outage: CORS errors on CDA

Affected components

• Content Delivery API

1. resolvedSep 29, 2026, 15:44 UTC

   The issue has been resolved.

2. monitoringSep 29, 2026, 15:16 UTC

   The issue has been resolved. We are monitoring the situation.

3. identifiedSep 29, 2026, 14:39 UTC

   Some customers are seeing CORS preflight failures when requesting cross-space references on CDA through webbrowsers. We've identified the cause and are working on resolution.

What APIStatus.watch saw

• Sep 29, 2026, 14:41 UTCoperational → degraded
• Sep 29, 2026, 15:20 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Anthropic: Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude APIMajor · Sep 29, 2026, 14:21 UTC
• Akamai: Increased latency during upstream provider maintenance in Singapore, Hong Kong, and JapanMinor · Sep 22, 2026, 00:30 UTC
• Akamai: Origin Server Connectivity Issues with Elevated Errors in APAC RegionMinor · Sep 22, 2026, 14:28 UTC
• Cloudflare: Cloudflare One Clients are incorrectly challenged on some sitesMinor · Sep 22, 2026, 19:23 UTC
• Cloudflare: Network Performance Degradation — Asia-PacificMinor · Sep 23, 2026, 18:42 UTC
• Zoom: Service Degradation Affecting Customer Using Polycom Devices Going OfflineMinor · Sep 25, 2026, 17:45 UTC
• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United StatesMinor · Sep 26, 2026, 03:16 UTC
• Twilio: SMS Delivery Receipt Delays from Twilio to CTBC BrazilMinor · Sep 28, 2026, 13:25 UTC
• Snyk: Snyk CLI Scans DegradedMinor · Sep 28, 2026, 14:26 UTC
• Clerk: Development instances only - Apple rejecting emailsMinor · Sep 28, 2026, 15:23 UTC

How often does Contentful have incidents?

Contentful reported 9 incidents in the last 90 days, 3 of them major or critical. A typical incident lasted 3h 6m. See Contentful's uptime and incident history