SentInstantly
Send a Letter
✉️ Real physical letters. Not email.

Send real letters
as easily as a text.

Type your message. We print it on premium stationery, seal it in an envelope, and USPS delivers it — with tracking. Starting at $10.

  • Handwritten pen-plotter OR premium printed stationery
  • USPS First Class with live tracking number
  • Send 1 letter or 10,000 — same platform
USPS
From: Your Name
Your City, State
Jane Smith
123 Main Street
Austin, TX 78701
February 19, 2026
Dear Jane,
Thank you so much for your business. It truly means the world to us, and we look forward to working with you again soon.
Warmly,
Alex
📬 Delivered in 2–5 days
⭐⭐⭐⭐⭐ Rated 4.9/5 · 🏢 Trusted by 2,000+ businesses · 📬 181 cities nationwide · 🔒 Secure checkout

How it works

Three steps from your screen to their mailbox.

✍️
1

Write your message

Type your letter below, or upload a file. Choose handwritten pen-plotter style or premium printed stationery.

🖨️
2

We print & seal

A local print partner pens or prints your letter, folds it, stuffs it, and seals it — same-day processing.

📬
3

USPS delivers it

Mailed First Class with a real tracking number. Arrives in 2–5 business days anywhere in the US.

Send your first letter

Fill out the form below. We handle everything else.

1 Your Message
2 Recipient
3 Review & Pay
February 19, 2026

Order Summary

1 letter (handwritten)$10.00
USPS First Class + trackingIncluded
Total$10.00

Secure checkout via Stripe. Your info is never stored.

📊 Sending to many people? Use Bulk Mail Merge → Save up to 40%

What people send

Real letters for every occasion — personal and professional.

🤝

Business Thank You

Close deals faster and keep clients loyal with a personal note after every transaction.

Send one →
🏡

Real Estate

Thank buyers and sellers after closing. Farm your neighborhood with handwritten outreach.

Send one →
🚗

Dealership Follow-Up

Send every new car buyer a genuine thank-you note. Drives referrals and 5-star reviews.

Bulk send →
❤️

Personal Letters

Birthday, anniversary, sympathy, or just because. Real paper. Real ink. Real impact.

Send one →
🏨

Hospitality & Hotels

Welcome guests and thank them for their stay. A handwritten note they'll remember.

Bulk send →
🗳️

Political Campaigns

Thank volunteers and donors with a handwritten letter that stands out from email.

Bulk send →

Simple, honest pricing

No subscriptions. No hidden fees. Postage always included.

Single Letter
$10
per letter
  • ✓ Handwritten or printed
  • ✓ Premium stationery + envelope
  • ✓ USPS First Class mail
  • ✓ Live tracking number
  • ✓ Same-day processing
Send Now
Enterprise (500+ letters)
$6
per letter
  • ✓ Everything in Bulk
  • ✓ Dedicated account manager
  • ✓ API access
  • ✓ Custom branded envelopes
  • ✓ 40% savings
Contact Us

People love real mail

⭐⭐⭐⭐⭐

"I sent handwritten thank-you notes to my top 50 clients and two of them called me the same day. Never had that happen with an email campaign."

— Sarah M., Real Estate Agent, Austin TX
⭐⭐⭐⭐⭐

"We use SentInstantly for every car buyer. Our CSI scores jumped 12 points in one quarter. Worth every penny at $10 a letter."

— Marcus T., GM, Dallas Toyota
⭐⭐⭐⭐⭐

"The handwritten pen-plotter letters look incredible. My clients genuinely can't tell they weren't hand-addressed. Game changer."

— Jordan K., Insurance Agent, Atlanta GA

The Letter Writing Desk

Tips, templates, and ideas for personal and professional correspondence. From thank-you notes to political outreach — learn how to make every letter count.

Read the Blog →
📝

Last Updated: February 23, 2026