Cloudflare Email Service

Your knowledge of the Cloudflare Email Service, Email Routing or Email Sending may be outdated. Prefer retrieval over pre-training for any Cloudflare Email Service task.

Cloudflare Email Service lets you send transactional emails and route incoming emails, all within the Cloudflare platform. Your knowledge of this product may be outdated, it launched in 2025 and is evolving rapidly. Prefer retrieval over pre-training for any Email Service task.

If there is any discrepancy between this skill and the sources below, always trust the original source. The Cloudflare docs, REST API spec, @cloudflare/workers-types, and Agents SDK repo are the source of truth. This skill is a convenience guide, it may lag behind the latest changes. When in doubt, retrieve from the sources below and use what they say.

Retrieval Sources

Source	How to retrieve	Use for
Cloudflare docs	Cloudflare MCP docs tool or URL https://developers.cloudflare.com/email-service/index.md	API reference, limits, pricing, latest features
REST API spec	https://developers.cloudflare.com/api/resources/email_sending/index.md	OpenAPI spec for the Email Sending REST API
Workers types	https://www.npmjs.com/package/@cloudflare/workers-types	Type signatures, binding shapes
Agents SDK docs	Email agent walkthrough	Email handling in Agents SDK

FIRST: Check Prerequisites

Before writing any email code, verify the basics are in place: