Overview
OpenEmail gives you real mailboxes on your own domain, with no per-mailbox fee. Create them by API and use them over REST, IMAP or JMAP.
GuidesCommon flows, step by step: credentials, mailboxes, messages, sending.API referenceEvery operation, with its parameters, its answers and an example.CLIEvery command group and global flag, plus the interactive terminal client.
Start here
- Introduction: what OpenEmail is, and the core concepts.
- Core concepts: the vocabulary, from domains and addresses to labels and threads.
- Quickstart: a real mailbox and a parsed message in minutes.
- Add your domain: prove you own it, publish its DNS, turn on sending.
Guides
- Authentication: base URL, credentials, and error conventions.
- Mailboxes: create, list, and read mailboxes.
- Messages: list a mailbox and read a message back.
- Sending: send from a mailbox, per-recipient results.
Tools
- App: sign up, then set up domains, mailboxes, routing, sending, and API keys in the browser.
- Webmail: read and send mail in the browser, on your own hostname and brand.
- CLI: every command group and global flag, plus the interactive terminal client.
API reference
Every endpoint, generated from the OpenAPI spec and grouped by the tags the API uses: Mailboxes, Messages, Delivery, and the rest. Each page carries the request and response schemas, and a runnable example in seven languages. It has its own tab at the top of this page.
Need help?
We are always here at support@open.email.