Coming Winter 2026. Global Coverage + Local Express Nodes.

Send Snail Mail via
API or Web App.

The bridge between digital and physical. Developers can automate it with code. Individuals can write or upload a letter in 30 seconds using our dashboard.

Join Waitlist For Developers

Color Printing Included  |  GDPR Compliant

POST /v1/dispatch
const letter = await postService.send({
  to: {
    name: "Alex Doe",
    address: "Mannerheimintie 1",
    city: "Helsinki",
    country: "FI"
  },
  file: "invoice_final.pdf",
  color: true,
  envelope: "no_window" // Direct Imprint
});

Status

Dispatched to Posti (FI)

Smart Routing & Premium Options

We optimize for speed or price automatically. You choose the priority, we handle the logistics through our distributed network.

Express Local

Printed inside the destination country. Injected into domestic post for speed.

  • 🇬🇧 UK, 🇫🇮 Finland, 🇮🇪 Ireland, 🇹🇷 Turkey
  • 1-3 Days Delivery

Eco Saver

Printed at HQ in Bulgaria. Uses high-speed international mail. Best for bulk.

  • Global Coverage
  • 5-9 Days Delivery
Boost Open Rates

Direct Imprint

Standard window envelopes look like bills and get ignored.
Direct Imprint envelopes look like a personal letter.

  • No Plastic Window
  • Address Printed on Paper
  • +€0.20 per letter
app.postservice.io/compose
Upload PDF
Write Letter
Color Printing: ON

Subject: Contract Cancellation

Dear Sir/Madam,

I am writing to formally request the cancellation of my subscription...

Premium Envelope

Direct imprint, no window. (+€0.20)

Print & Post Now ( €3.70 )
No Coding Required

Don't have a PDF?
Just type it like an email.

Our easy-to-use editor lets you type your letter directly in the browser. We'll format it professionally, print it in full color, and mail it for you.

1

Upload PDF or Write Text

Drag and drop a file, or simply type your letter. Color logos and images are included free.

2

Customize Envelope

Choose a standard window envelope or a Premium Direct Imprint envelope to ensure your letter gets opened.

3

We Print & Post

We print your text on high-quality paper, envelope it, and stamp it instantly.

Try the Letter Editor

Built by Developers,
for Developers.

Integrate postal capabilities into your app in minutes. We provide SDKs for Node.js, Python, and PHP.

Simple REST API

Stateless, predictable, and easy to debug. Uses standard HTTP response codes.

Webhooks

Receive real-time events: letter.printed, letter.dispatched, letter.failed.

// Example Response

HTTP/1.1 200 OK
{
"id": "req_89234jsd",
"status": "processing",
"estimated_delivery": "2025-10-24",
"routing": {
"origin": "Helsinki, FI",
"cost": 4.50,
"currency": "EUR"
}
}

Transparent Pay-As-You-Go Pricing

Price includes: Printing (1 page Color or B&W), Standard Envelope, and Postage. No monthly fees.

Destination Eco Saver via Bulgaria Hub (5-9 days) Express Local via Local Node (1-3 days)
🇧🇬 Bulgaria (HQ) — €2.50
🇬🇧 United Kingdom €2.90 €4.20
🇫🇮 Finland €2.90 €4.50
🇮🇪 Ireland €2.90 €3.90
🇹🇷 Turkey €2.50 €3.00
🇪🇺 Rest of EU €3.50 Not Available
🌎 Rest of World (USA, Asia, etc.) €4.50 Not Available

Optional Add-ons:

Premium Direct Imprint Envelope (+€0.20)

No plastic window. Address printed directly on the envelope. Higher open rates.

Extra Pages (+€0.15 / page)

First page is included. Additional pages cost extra.

See bulk pricing for >1000 letters/mo