Unified Billing allows users to call Workers AI and connect to various AI providers (such as OpenAI, Anthropic, and Google AI Studio) and receive a single Cloudflare bill. To use Unified Billing, you ...

Cloudflare API Shield provides API security, management tools, and integration with the Cloudflare Developer Platform for building new APIs. Security: Protect APIs with JWT validation, mutual TLS ...

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

What is the Model Context Protocol (MCP)? Model Context Protocol (MCP) ↗︎ is an open standard that connects AI systems with external applications. Think of MCP like a USB-C port for AI applications.

This emergency release adds seven rules to the Cloudflare Managed Ruleset to detect anomalous request patterns.

If you use the next prerelease, update to 0.13.0-next.825.1 or later. If you cannot update yet and use 0.8.7 or later, send all HTTPS through your Worker, so that Cloudflare checks every certificate ...

@cf/deepseek-ai/deepseek-v4.1-flash-1017 is now available on Workers AI. DeepSeek V4.1 Flash is a multimodal Mixture-of-Experts model with 552B backbone parameters ...

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 ...

The Cloudflare Radar homepage now features an interactive map of traffic and outages, a curated insights section with tabbed ...

If you need to override a specific version of a language or tool within the image, you can specify it as a build environment variable, or set the relevant file in your source code as shown above. To ...

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 ...

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, ...