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Now available — REST API

Automate your
direct mail at scale.

Create, personalize, and send postcards, letters, and invoices through a powerful API or intuitive dashboard.

Launch postcards: 59¢ per piece, plus postage.

Start Sending
View API Docs

8,000,000+

Cards Sent

99.5%

Delivery Rate

<5 min

Setup Time

50+

API Endpoints

8,000,000+

Cards Sent

99.5%

Delivery Rate

<5 min

Setup Time

50+

API Endpoints

Design yourmail,

review it,and send.

Prepare a postcard or letter, personalize it for your recipients, check the proof and mailing cost, then follow its status from your dashboard.

Start Sending

Built for Personalized Direct Mail

Deliver one-to-one customer experiences with personalized content, links, QR codes, and coupon codes built right in.

Personalized postcard example

Visual Postcard Designer

Create postcards with all the tools of a professional design system including gradients, shadows, rotations, and more.

Integrated Merge Fields

Seamlessly blend data such as names and locations directly into your designs for pieces that get noticed.

Coupon Code Usage Tracking

Upload lists of coupon codes, and have them used one by one. Download lists of assignments.  Track attribution in the platform.

Additional features

Drag-and-Drop Designer

Design stunning postcards with a visual canvas editor. Add text, images, shapes, gradients, and QR codes — both front and back. Or create letters with our rich text editor.

Additional features

Smart Contacts

Import from CSV, auto-validate addresses, and organize into targeted lists.

Additional features

Campaign Analytics

Track spend, volume, and delivery rates. Filter by date and export reports.

Additional features

Developer API

50+ REST endpoints with JWT & API key auth. Full programmatic control.

Additional features

Drag-and-DropDesigner

Design stunning postcards with a visual canvas editor. Add text, images, shapes, gradients, and QR codes — both front and back. Or create letters with our rich text editor.

How it works

Three steps to the mailbox.

Create, personalize, and send postcards, letters, and invoices through a powerful API or intuitive dashboard.

.01
Create

Create

Design a postcard in the visual editor, write a letter with rich text, or upload a print-ready PDF.

.02
Target

Target

Segment your audience, personalize each piece with merge tags, and schedule delivery to the right people.

.03
Send

Send

We print, stamp, and mail your pieces. Track delivery status and responses from your dashboard.

How it works

Three steps to the mailbox.

Create, personalize, and send postcards, letters, and invoices through a powerful API or intuitive dashboard.

.01
Create

Create

Design a postcard in the visual editor, write a letter with rich text, or upload a print-ready PDF.

.02
Target

Target

Segment your audience, personalize each piece with merge tags, and schedule delivery to the right people.

.03
Send

Send

We print, stamp, and mail your pieces. Track delivery status and responses from your dashboard.

For developers

Developer-first REST API

Integrate direct mail into your app with a few API calls. Everything
you can do in the dashboard, you can do programmatically.

View API docs

Check your API key

curl https://api.mailerbot.com/api/v1/auth/me \
  -H "X-API-Key: mb_test_REPLACE_WITH_YOUR_KEY"

API key authentication for your server-side integration

Manage contacts, designs, mailings, campaigns and tracking

CamelCase JSON with paginated responses

OAuth 2.1 with PKCE for integrations

API key authentication for your server-side integration

Manage contacts, designs, mailings, campaigns and tracking

CamelCase JSON with paginated responses

OAuth 2.1 with PKCE for integrations

Simple, Transparent Pricing

Launch has no monthly platform fee or minimum. Pay for each mailing, including printing and postage. Scale and Command add a subscription for higher-volume sending and additional features.

Plan 1

Launch

(Pay-as-you-go)

Start with pay-as-you-go letters and postcards.

  • Letters: 89¢ first page, 25¢ each additional page, plus postage
  • Postcards (4×6): 59¢ plus postage
  • Address verification (CASS + NCOA): included on every send
  • API access: full REST API, SDKs for Python and JavaScript
  • Sandbox/test mode: unlimited test sends, free
  • Real-time webhooks: mailed, in-transit, delivered, returned
  • Tracking: USPS Intelligent Mail Barcode on every piece
  • Dashboard: send history, status, proofs
  • Support: community + email (48hr)
  • Mailout SLA: next business day
Start Sending

Plan 2

Popular

Scale

$99/month

Add campaigns and team tools as your sending grows.

Everything in Launch, plus:

  • Letters: 69¢ first page, 15¢ each additional page, plus postage
  • Postcards (4×6): 49¢ plus postage
  • EDDM (Every Door Direct Mail): route-based saturation mail, design-to-delivery
  • Free Targeted Residential Prospecting: search by home value, home age, occupant net worth and more.
  • Automated campaigns: drip sequences, triggered sends, multi-touch flows
  • Delivery confirmation: included on all pieces
  • Advanced webhooks: signed payloads, retry logic, custom events
  • Native integrations: Klaviyo, Shopify, Zapier, Make
  • A/B testing: split test creative, offers, timing
  • Team seats: up to 5 users, role-based permissions
  • Support: priority email + chat (4hr business hours)
Start Sending

Plan 3

Command

$399/month

Coordinate larger mail programs with managed support.

Everything in Scale, plus:

  • Letters: 59¢ first page, 10¢ each additional page, plus postage
  • Postcards (4×6): 39¢ plus postage
  • Advanced reporting: cohort analysis, attribution, ROI dashboards, exportable
  • Fully managed automations: MailerBot team builds your campaigns end-to-end
  • Dedicated account manager
  • SSO (Okta, Google, Microsoft)
  • HIPAA BAA available
  • Audit logs and compliance exports
  • Unlimited team seats
  • Custom rate limits and dedicated throughput
  • 99.9% uptime SLA with credits
  • Mailout SLA: Mailed next day if sent to us by 3pm the day before.
Start Sending