Mailbox Mode / Simulator

Your copy. A better starting point.

Choose a reference, bring your copy, and preview the HTML your API returns.

01 / Connect

Keys stay in this page’s memory. Use an isolated test account for test credits.

02 / Compose

This version renders your supplied copy; it does not rewrite instructions with an AI model. Public references use attributed metadata to choose an event, report, or promotion layout. Source HTML is never copied.

03 / Preview

Your generated email will appear here.

Credits charged in this session: 0

HTML

See what you’ll send.

Load a reference and add your copy.
Your generated email will appear here.