Workers Builds retains each build and its build logs for 90 days. Versions, deployments, and rollbacks are not affected.

Challenge Pages served through the Cloudflare China Network now use Turnstile widgets hosted in Mainland China. This means that visitors in Mainland China can complete challenges faster and more ...

Cloudflare runs a catalog of managed remote MCP servers which you can connect to using OAuth on clients like Claude ↗︎, Windsurf ↗︎, our own AI Playground ↗︎ or any SDK that supports MCP ↗︎. These MCP ...

If you only need object reads and writes from a Worker, the R2 Workers API binding does not require the SDK. aws4fetch is a lighter alternative for S3-compatible requests and presigned URLs. You can ...

Important Update: Cloudflare now supports native User Groups for enhanced access control. This new feature replaces the previous method of directly assigning Cloudflare roles based on IdP group ...

Under Supported versions, "Any version" refers to support for all versions of the language or tool including versions newer than the Default version. When your build starts, if not already cached, ...

Cloudflare will make an equivalent change to /accounts/{account_id}/dns_settings at the same time. The foundation_dns boolean remains available as a deprecated ...

Cloudflare API keys and API tokens use a prefixed, scannable format that makes them identifiable by credential scanning tools. Each credential type in the following table has a distinct prefix ...

The available rate limiting rule parameters are described in the following sections. For more information on the current rule configuration restrictions, refer to Configuration restrictions. Data type ...

The D1 undelete API now only accepts requests for databases that were deleted within the last 7 days. Requests to undelete a ...

The Cloudflare Radar homepage has been redesigned to make global Internet data easier to explore for broader audiences, including journalists, policymakers, and everyday users, while preserving the ...

The packageManager field also sets the version of Yarn, pnpm, and Bun. Use an exact version, such as npm@11.19.1, not a range. Workers Builds does not use the engines.npm field to choose an npm ...