Can I send just one postcard?

Yes. DirectMailAmerica prints and mails a single postcard to one US address. The minimum order is one postcard for both the 5.5 × 4.25 inch single-sided and 8.5 × 5.5 inch double-sided options. No bulk order, subscription or sales call is required.

Can I mail a postcard to myself?

Yes. Enter your own US mailing address as the recipient, add your artwork or message, review the postcard and price, and approve the mailing online. You can order one to see how it looks in person.

Can I still send letters and Certified Mail?

Yes. Send one or more First-Class letters or Certified Mail pieces, with optional Electronic Return Receipt for Certified Mail. Email to Letter and Email to Postcard support saved rules, review or authorized autosend. More products include flats, statements, coupon sheets and custom print options; the REST API and MCP support these workflows too.

Do you actually print and mail letters?

Yes. We print your mail and send it through USPS. Physical mailing is enabled on this deployment.

Can an AI agent send mail?

Yes. Use the REST API with an API key, or connect the hosted MCP server in Claude or Cursor. Agents can spend org credits or open a Square checkout — MCP never collects card numbers. Stablecoin payments are documented for developers.

What mail classes are supported?

USPS First-Class letters, Certified Mail with optional Electronic Return Receipt, 5.5 × 4.25 inch single-sided postcards and 8.5 × 5.5 inch double-sided postcards. The expanded catalog includes more mailing products and print options.

Print & mail service · delivered by USPS

Send a letter. Send a postcard. No minimum.

DirectMailAmerica.com prints and mails First-Class letters and full-color postcards to US addresses. Send just one, even to yourself. No bulk order or subscription required. Use the web app, email, REST API or MCP. Super simple.

Send a letter Send a postcard For AI agents

Digital to doorstep01 / 14

Simple to create
We print and mail
Delivered anywhere in the USA

5.5 × 4.25 in · Full color

A little thought. A real postcard.

Send Mom a ‘Wish you were here’ postcard. Tell your AI assistant, choose a picture, and approve your mailing.

Explore Single-sided postcard

An illustrated journey. You choose when to send.

Choose what to mail

One piece or many. For personal notes, business mail, and the software that sends for you.

Letters & Certified Mail

Send one First-Class letter or Certified Mail piece. Upload a PDF or compose text; add Electronic Return Receipt when needed.

Postcards

Mail just one. Choose a 5.5 × 4.25 inch single-sided or 8.5 × 5.5 inch double-sided postcard. Full color included.

Email to Letter

Turn matching emails into printed letters with saved rules, formatting, approval and spending limits.

Email to Postcard

Use a dedicated postcard inbox, choose either postcard type in your rules, and review artwork before mailing or authorize autosend.

More mailing products

Explore flats, statements, payment coupon sheets, other postcard sizes and custom paper and print options. Review an exact quote before sending.

API & AI agents

Quote and prepare letters, postcards and other products through the REST API or MCP, then send with your authorization.

DirectMailAmerica is an independent service of Rainmaker LLC and is not affiliated with or endorsed by the United States Postal Service. USPS, First-Class Mail, and Certified Mail are trademarks of the USPS.

How it works

Compose

Upload a PDF or write a short letter. Save addresses from the send screen. CSV lists go through the API.

Choose mail

First-Class, Certified with optional ERR, or a single-sided or double-sided postcard. Review the price before sending.

We mail it

We print your mailing and enter it into the USPS stream. Track the job from your dashboard or API.

Email to Letter

Send an email. We’ll mail the letter.

Get a unique inbox, choose mailing rules, and control approval, formatting, and spending. Try the sample and see how it works.

Explore Email to Letter

Built for operators and agents

PDF or compose

Drop a finished PDF or write the letter in the wizard.

Address book

Save senders and recipients from the send screen. CSV via the API.

Certified + ERR

Certified Mail with USPS tracking and an optional electronic return receipt.

API keys

Mint keys in the workspace and send the same mail from the REST API or hosted MCP.

Hosted MCP

Point Claude or Cursor at /api/mcp. Send with an API key, org credits, or a Square checkout — no card numbers on the wire.

Card payments via Square

Pay by card in the workspace. stablecoin payments available for developers.

Transparent per-piece pricing

First-Class $1.49, Certified $12.99, small postcards $1.99. Larger postcards use an exact quote. Extra letter pages are $0.25. No subscription required.

See pricing

First-Class

$1.49

page 1 · +$0.25 extra pages

Certified

$12.99

base piece · +$0.25 extra pages

Postcard

$1.99

5.5×4.25, color included, flat

Guides

Know the piece before you pay postage.

Short customer and pricing notes — how a person sends mail, and what each list rate covers.

Customer

How to send a letter

Pricing

What the list rate covers

First-Class $1.49, Certified $12.99, postcards $1.99, extra pages, credits, and how you pay.

Questions, answered

Can I send just one postcard?: Yes. DirectMailAmerica prints and mails a single postcard to one US address. The minimum order is one postcard for both the 5.5 × 4.25 inch single-sided and 8.5 × 5.5 inch double-sided options. No bulk order, subscription or sales call is required.
Can I mail a postcard to myself?: Yes. Enter your own US mailing address as the recipient, add your artwork or message, review the postcard and price, and approve the mailing online. You can order one to see how it looks in person.
Can I still send letters and Certified Mail?: Yes. Send one or more First-Class letters or Certified Mail pieces, with optional Electronic Return Receipt for Certified Mail. Email to Letter and Email to Postcard support saved rules, review or authorized autosend. More products include flats, statements, coupon sheets and custom print options; the REST API and MCP support these workflows too.
Do you actually print and mail letters?: Yes. We print your mail and send it through USPS. Physical mailing is enabled on this deployment.
Can an AI agent send mail?: Yes. Use the REST API with an API key, or connect the hosted MCP server in Claude or Cursor. Agents can spend org credits or open a Square checkout — MCP never collects card numbers. Stablecoin payments are documented for developers.
What mail classes are supported?: USPS First-Class letters, Certified Mail with optional Electronic Return Receipt, 5.5 × 4.25 inch single-sided postcards and 8.5 × 5.5 inch double-sided postcards. The expanded catalog includes more mailing products and print options.

Put something in the mail today.

Create an account to send a letter, or mint an API key and wire the hosted MCP server.

Enter the workspace