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Contentful experiencing CORS errors on Content Delivery API

Cross-Origin Resource Sharing preflight failures affecting some customers using the CDA through web browsers.

By The Downtime ยท Sep 29, 2026 ยท 3:05 PM ยทUpdated 2 weeks ago

Contentful is experiencing CORS preflight failures on its Content Delivery API (CDA), with the issue classified as major impact. The company has identified the cause and is working on a resolution.

Contentful is a headless CMS platform used by developers and enterprises to manage and deliver content across multiple digital channels.

The incidents began affecting some customers attempting to request cross-space references on the CDA through web browsers. Contentful confirmed the issue has been identified as of the latest update.

This is a developing story. The Downtime will continue to monitor for updates.

๐Ÿ•’ Live updates (3)

resolved Sep 29, 3:44 PM

The issue has been resolved.

monitoring Sep 29, 3:16 PM

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

identified Sep 29, 2:39 PM

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.

๐Ÿ“Ž Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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