Certified Letter Online — USPS Tracking & Delivery Proof
Send certified letters online with USPS tracking, proof of delivery, and return receipt options. Professional printing and same-day processing.
Need to send a certified letter online? See how it works or start below—no account required.
Certified Letter Online Services
Our certified letter services provide USPS tracking, proof of mailing, and delivery confirmation for your important documents. Perfect for legal notices, business correspondence, and compliance requirements.
Certified Letter Pricing
All USPS fees included — printing, certified service, and tracking.
Certified Letter
- ✓ USPS tracking number
- ✓ Proof of mailing receipt
- ✓ Delivery confirmation
- ✓ Same-day processing
+ Electronic Return Receipt
- ✓ Everything in Certified Letter
- ✓ Digital delivery receipt (PDF)
- ✓ Delivery date and time
- ✓ Recipient signature (when captured)
+ Restricted Delivery
- ✓ Everything in Certified Letter
- ✓ Delivery only to addressee
- ✓ Enhanced security
- ✓ Additional USPS verification
Includes printing, envelope, and USPS Certified fees shown at checkout. View all pricing
How Certified Letters Online Work
Simple 3-step process for sending certified letters with tracking.
Upload Letter
Upload your PDF or use our editor to compose your certified letter.
Choose Options
Select certified service, return receipt options, and recipient details.
Track Delivery
We mail with USPS certified service and provide tracking throughout delivery.
Why Choose Our Certified Letter Online Service
Legal Compliance
- • USPS-compliant certified service
- • Proof of mailing and delivery
- • Return receipt options available
Professional & Secure
- • Same-day processing (order by 2 PM ET)
- • Secure document handling
- • Complete tracking visibility
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Ready to Send a Certified Letter Online?
Professional certified letter service • Usually under 3 minutes
Frequently Asked Questions
What is a certified letter online?
A certified letter online lets you send USPS Certified Mail with tracking and proof of delivery through the internet. Upload your document, we print and mail it with certified service.
How do I send a certified letter online?
Upload your document, enter recipient details, choose Certified Letter service, and we handle printing, USPS certified mailing, and tracking. You'll receive proof of mailing and delivery confirmation.
How much does it cost to send a certified letter online?
Certified letters start at $9.99. Add Electronic Return Receipt for $11.99 or Restricted Delivery for $15.99. Prices include USPS fees and processing.
How long does a certified letter take to deliver?
Certified letters travel with First-Class Mail service, typically taking 1–5 business days in the U.S. Transit varies by distance and USPS operations.
Do I need return receipt for my certified letter?
Return receipt is optional. Basic certified letters include tracking and delivery confirmation. Add Electronic Return Receipt (ERR) if you need a signed delivery receipt for your records.
Can I send a certified letter to a PO Box?
Yes. USPS will place a delivery notice (PS Form 3849) in the box for pickup. Tracking still shows the delivery event when the notice is issued or the item is collected.
Last updated: September 2025 • Professional certified letter online service