Your agent can now send real mail.

Letters, USPS Certified Mail with proof of delivery, and photo postcards — written in a conversation, printed and mailed anywhere in the United States. Pay per piece. No account, no app.

Write a letter canceling my gym membership and send it certified so I have proof.

Drafted. Certified Mail with electronic return receipt is $15.99 and should arrive in 3–6 business days. Pay here to send it — You can ask me to check its status.

What it does

LettersText or PDF, printed on US Letter paper. PDFs include a mailing cover page. Up to 60 printed pages.

Certified MailUSPS tracking and proof of mailing. Add the electronic return-receipt service. IntoTheMail provides tracking links; signature records are handled by USPS.

Photo postcardsAny photo becomes the front, full-bleed. Your agent writes the back. 4×6 or 6×9.

Preview before you payReview the stored print PDFs before checkout. The printer adds the mailing address and postage.

Address checkEvery address is verified with USPS data before printing. Potential unit-number issues are flagged for confirmation.

Track & cancelStatus from print to delivery. Request cancellation; if the printer accepts, we request a full refund.

Pricing

Item	Includes	Price
First-class letter	Up to 6 B&W pages, printing & postage	$3.99
Certified Mail	Letter + USPS Certified tracking & proof of mailing	$12.99
Certified + return receipt	Adds electronic return receipt with signature	$15.99
Postcard 4×6 / 6×9	Full-bleed photo front, printed message	$2.99 / $3.99
Extras	Color printing +$1.00 · pages beyond 6 +$0.50 each	—

Connect

Any MCP-capable agent can use it directly:

https://intothemail.com/mcp · OpenAPI: https://intothemail.com/openapi.json

No API key is needed. Payment happens per order through Stripe Checkout; IntoTheMail never sees card numbers.