Send critical mail without
the manual work.
First-Class Mail, Certified Mail, Priority Mail, International Mail, Checks, FedEx Priority Overnight, and FedEx 2Day, all printed, mailed, tracked, and securely archived.
No Contracts. No Subscription Fees. Pay-As-You-Go.
No Contracts. No Subscription Fees. Pay-As-You-Go.

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UploadLetters.com:
Your Premier Partner for Online Mailing Services
At UploadLetters.com, we offer comprehensive mailing solutions tailored to meet the diverse needs of businesses across various industries. Our services range from standard USPS® First-Class Mail® fulfillment to more complex mailings involving Certified Mail® or Priority Mail®, as well as time-sensitive delivery options like FedEx Priority Overnight and FedEx 2Day®.
We accommodate unique requirements such as large page counts, proof of mailing, dynamic inserts, and more.
Let us streamline your internal mailing processes so you can focus on growing your business.
Mail Letters Online: From Anywhere in the Country
With our intuitive platform and user-friendly interface, you can easily mail a letter online or integrate our application seamlessly with your existing systems through our print and mail API. Submit your letter requests by our stated cutoff time, and we will print and mail them by the following business day, ensuring timely induction into the USPS mail stream.
Our service is ideal for all industries requiring USPS mail, including, but not limited to:
Law FirmsProperty Management CompaniesAssociation Management CompaniesSelf-Storage CompaniesFinancial InstitutionsInsurance CompaniesLand Service CompaniesState and Local Government
Certified Mail Service: No More Labels or Trips to the Post Office
Certified Mail is usually a time-consuming process involving manual forms, labels, post office visits, and tracking on the USPS website. Our service streamlines this: simply upload your document, and we handle the rest.

Comprehensive Letter Shop Services: With a Modern Take
Unlike most letter shops that require large print runs due to system and equipment constraints, our infrastructure supports both short and long print cycles with various print and mailing requirements, including:
Certified Mail, Priority Mail, or First-Class MailFedEx Priority OvernightFedEx 2Day#10 or 9x12 envelopesAffidavits of MailingPriority Mail Envelopes, Priority Mail BoxesColor or Black & White PrintCustom InsertsSingle-Sided Print or Double-Sided Print
Bulk and Mass Mailings: Send One Letter or Thousands at a Time
We serve clients with varying mailing needs, from one-time large mass mailings to daily mailings of different sizes. For clients sending to multiple recipients, we offer the ability to extract addresses directly from their PDFs, allowing them to submit thousands of addresses for mailings in seconds.

Why Choose Us?
Getting started with UploadLetters.com is simple:
platform.
Documents
and documents.
Mailing Options
that fit your needs.
Order
printing to mailing.
| Description | Base Pricing |
|---|---|
| First-Class® Letter (#10 Envelope) | $1.32 per letter |
| First-Class® Letter (9x12 Envelope) | $2.84 per letter |
| First-Class® Letter (6x9 Envelope) | $1.32 per letter |
| Certified Mail® Letter (#10 Envelope) | $8.58 per letter |
| Certified Mail® Letter (6x9 Envelope) | $8.58 per letter |
| Certified Mail® Letter (9x12 Envelope) | $9.99 per letter |
| Certified Mail® with RRE® Letter (#10 Envelope) | $11.49 per letter |
| Certified Mail® with RRE® Letter (6x9 Envelope) | $11.49 per letter |
| Certified Mail® with RRE® Letter (9x12 Envelope) | $13.15 per letter |
| Priority Mail® Flat Rate Box | $35.05 per box |
| Priority Mail® Flat Rate Envelope | $17.70 per letter |
| Additional Pages | $0.10 per page |
| Color Print | $0.20 per page |
| Additional USPS® Postage | $0.29 per additional ounce |
| Mail Letter API Address Verification | $0.05 per recipient |
| Address Verification | $25.00 per file |
| Address Verification - Per Record Fee | $0.02 per recipient |
| Pressure Seal Check | $1.84 per check |
| Check Printing (In Addition to Other Fees) | $2.00 per check |
| AOM Signature Only (letter level) | $2.00 per letter |
| AOM Notarized Only (letter level) | $15.00 per letter |
| International First-Class® Letter (#10 Envelope) | $4.75 per letter |
| International First-Class® Letter (9x12 Envelope) | $9.30 per letter |
| International Registered Mail (#10 Envelope) | $34.75 per letter |
| International Registered Mail (9x12 Envelope) | $36.30 per letter |
| Same Day Mailing Surcharge | $1.00 per letter |
| FedEx 2-Day | $16.25 per letter |
| FedEx Priority Overnight | $41.00 per letter |
| Address Verification - File Fee | $35.00 per job |
- Base pricing includes postage for a one-ounce letter. Additional fees apply for letters over one ounce (except for Priority Mail®).
- Additional page charge starts after the first-page printed simplex. The second page printed either duplex or simplex incurs an additional page charge.
- Color print charge starts on the first page printed (if color print is required).
- #10 envelopes can hold up to 5 pages inserted including coversheet.
- 9x12 envelopes can hold up to 50 pages printed including coversheet.
- Priority Mail Flat Rate Envelopes can hold up to 100 pages printed including coversheet.
- Priority Mail Flat Rate Boxes can hold up to 1250 pages printed including coversheet.
- Orders submitted by 11:59 PM CST are mailed the next business day. Same-day mailing is available for qualifying accounts and eligible mailings.