USPS Certified Mail: The Complete Guide for 2026
Everything you need to know about USPS certified mail: what it proves, costs as of January 2026, how to send it, tracking, return receipts, and when to use it.
How It Works
Here's what happens after you hit send.
- Setup in minutes
- Same-day processing
- Tracking included on every order
- Resend or refund guarantee
1. Upload Your Document
Upload any PDF document up to 50 pages. We support standard letter-size (8.5x11) documents.
- PDF format required
- Up to 50 pages per mail piece
- Preview before sending
2. Enter Addresses
Add the recipient and return addresses. We verify addresses with USPS to ensure deliverability.
- Automatic address verification
- Save addresses for future use
- We currently deliver to U.S. addresses only. International mailing is on our roadmap.
3. Choose Print Options
Choose black-and-white or color printing, and single- or double-sided printing.
- Black-and-white or full color
- Single or double-sided
- High-quality 24lb paper
4. Pay Securely
Complete checkout via Stripe. We accept all major credit cards.
- Secure Stripe checkout
- All major cards accepted
- Instant payment confirmation
5. We Print Your Letter
Your document is printed the next business day after processing.
- Same-day processing
- Professional print quality
- Checked for print quality before mailing
6. Mailed via USPS
Your letter is mailed the business day after printing.
- USPS First-Class Mail
- Tracking number provided
- Picked up by USPS the business day after printing
7. Track Delivery
Follow your mail's journey with real-time status updates.
- In transit notifications
- Delivery confirmation
- Return notifications if undeliverable
8. Delivered!
Your recipient receives the physical letter in their mailbox.
- Most letters arrive within 1–5 business days after mailing (not guaranteed)
- Confirmation when delivered
- Full delivery history
Our Guarantees
Fast turnaround
Place your order and we process it the same day. It's printed the next business day and in the mail the day after that.
Quality Guarantee
If there's a print quality issue, we'll reprint and resend for free.
Delivery Tracking
Every piece of mail includes tracking from print to delivery.
Secure & Private
Your documents are encrypted and deleted after printing.
Guides for sending physical mail
Learn about USPS mail classes, tracking, and delivery timelines.
First-Class Mail for Business: The Complete Small Business Guide
Everything small businesses need to know about USPS First-Class Mail, with pricing references aligned to rates as of January 2026.
Certified Mail Tracking: Understanding Every Status
Learn how to track USPS certified mail and understand what each tracking status means. From 'Accepted' to 'Delivered'—know exactly where your letter is.
That's the whole process. Ready?
Upload a PDF and we handle the rest.
No subscription requiredNo minimumsCreate account freeCancel anytimeDelivery guarantee — Lost in the mail? We resend for free