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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.

The SimpleCertified Platform
saves time and reduces costs.

Cost of Service for most popular Certified Mail pieces:

Free Certified Mail Window Envelopes from

Certified Mail® Letter:

  • 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:

  • 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

Simple Certified Mail

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.

Simple Certified Mail

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.

Also supporting First-Class Mail® and Priority Mail®

Prepare First-Class Mail®, First-Class Parcel®, Priority Mail® and Priority Mail® Express via the SimpleCertified™ platform. For First-Class Mail we charge a 10¢ per piece transaction fee, plus the cost of these windows envelopes (100/pack). If you are using our Mail Services capability to outsource your mail, the transaction fees are higher. Call Customer Service for details.

Simple Certified Mail

Print 8 ½” x 11” cover sheets,
with electronic postage, on plain paper.
Fold and insert them into all-white window envelopes
along with your printed letter.

Simple Certified Mail

Print on standard white
5 ½” x 8 ½” labels available
from Avery® and many other brands.

Get started quickly!

Getting started is simple. There’s no software to install. No fixed monthly fees. Just a small transaction fee per piece, and we supply the Certified Mail window envelopes at no extra charge. Just tell us how many you need to get started and prefund your account (minimum level of $60). You’ll receive the envelopes in 3-5 days and unused funds are refundable. To sign up, click below. If you have questions, call 888-462-1750. 8am–5pm ET.

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