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Directory API SDKs Changelog

Protocols

Cloudflare Workers support the following protocols and interfaces:

Protocol	Inbound	Outbound
HTTP / HTTPS	Handle incoming HTTP requests using the `fetch()` handler	Make HTTP subrequests using the `fetch()` API
Direct TCP sockets	Support for handling inbound TCP connections is coming soon â†—	Create outbound TCP connections using the `connect()` API
WebSockets	Accept incoming WebSocket connections using the `WebSocket` API
HTTP/3 (QUIC)	Accept inbound requests over HTTP/3 â†— by enabling it on your zone in Speed > Settings > Protocol Optimization area of the Cloudflare dashboard â†—.
SMTP	Use Email Workers to process and forward email, without having to manage TCP connections to SMTP email servers	Email Workers