Mailstream

Direct mail, finally as easy as email.

From prompt to postcard
in 24 hours.

One platform. Design, data, printing, postage, and tracking. Subscribe for $99 a month and every piece ships at wholesale.

Postcards

Send postcards

4×6, 6×9, 6×11. Designed today, in the mailstream tomorrow.

See the postcards LP →

Letters

Send letters

Statements, invoices, win-back, fundraising. Printed, stuffed, sealed, mailed.

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Developers

Mail from your code

API, SDKs, and the first MCP server for physical mail. From prompt to postcard in 24 hours.

See the API LP →

Mailstream

Direct mail, finally as easy as email. Manufacturer-direct, USPS tracked, 24-hour turnaround. Subscribe to unlock wholesale on every piece.

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