Cost of service
Only pay for what you use.
No subscription fees, monthly minimums or maintenance fees.
The cost of service includes USPS postage, Certified Mail® fees, window envelopes, and all the features of the SimpleCertifiedTM Platform. You’ll save time and money throughout the Certified Mail process.
For enterprise clients, there are no up-front costs to use our REST APIs, and no costs for support.
Cost of Service for most popular Certified Mail pieces:

Certified Mail® Letter:
$5.07
- 1 oz. Certified Mail® letter with electronic Proof of Acceptance and Delivery, and the SimpleCertifiedTM Platform with no signature.
- #10 and 6x9 envelopes: $5.07
- 9x12 envelope: $5.56
- Each additional oz. (5 pages) adds $.20
Certified Mail® Letter with Return Receipt:
$6.82
- 1 oz. Certified Mail® letter sent with with Proof of Acceptance and Return Receipt Electronic, plus all the benefits of the SimpleCertifiedTM Platform.
- #10 and 6x9 envelopes: $6.82
- 9x12 envelope: $7.31
- Each additional oz. (5 pages) adds $.20
How to order Certified Mail® envelopes and labels

Our Certified Mail® envelopes are pre-printed with the green Certified Mail® banner along the top edge, and come with a large, clear window that enables USPS scanners to scan our unique cover sheet inside – with the recipient and return addresses, electronic postage and USPS bar codes. The envelopes are provided at no charge in #10, 6x9 and 9x12 sizes. We can also help you source your own.

Our Certified Mail® labels make it easy to send Certified Mail® that requires larger envelopes or boxes. Labels are pre-printed with the Certified Mail® banner and come two-up on 8½"x11" sheets which can run through ink-jet and laser printers. Packages of 200 Certified Mail labels are $29.95 each. We can also help you source your own.
We’re more than Certified Mail®.
Now supporting First-Class and Priority Mail Service.
Prepare First Class Mail, First-Class Parcel, Priority Mail, and Priority Mail Express via the SimpleCertified™ platform. A 7¢ transaction fee is added to First Class letters. 50¢ to Priority Mail.

Print directly on your own envelopes or
use the window envelopes available
from our online store.

For Priority Mail, use standard
5.5"x8.5" labels from Avery® and many others.
Get started today!
No setup or monthly fees. No software to install. Perfect for office or home.
If you have questions, call 888-462-1750. 8am-5pm ET. To sign up, click below.