First-Class Mail
Easily Send Mail Online
About LetterStream
To Make Fast and Perfect Mail with Mad Customer Love
OUR MISSION
The Easiest, Fastest Way to Send Real Mail Online
At LetterStream, we provide businesses with powerful, secure, and efficient print-and-mail solutions for sending business-critical documents like invoices, compliance notices, statements, and legal correspondence online. Whether you need USPS First-Class Mail, Certified Mail with tracking or Electronic Return Receipt (ERR), FedEx 2Day delivery, or full-color postcards in two sizes, we handle printing, inserting, and postage so you never step foot in a post office. All mail pricing includes postage. Designed for low-volume jobs and large-scale mailings, our platform delivers fast turnaround (most mailings processed by the next business day), enterprise-grade security, no minimums or monthly fees, and real-time visibility into every job.
- Speed & Accuracy — 95% of mailings processed by next business day
- No Minimums, No Monthly Fees — you pay only for what you send
- Full Suite of Business Mail Types — First-Class, Certified, FedEx 2Day, Postcards, Statement & Invoice mailings, etc.
- Secure and Transparent — HIPAA compliance, tracking, job history, and proof of mailing included
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Our People are the Heart of M.A.I.L.
LetterStream is a truly exceptional workplace, fostering a work environment that is both stimulating and supportive. What sets LetterStream apart is its unwavering commitment to employee well-being and professional development. We value our team members as integral contributors to our success and recognize their potential by providing ample opportunities for growth.
With a focus on work-life balance and a range of employee benefits, LetterStream recognizes that a happy and fulfilled team is key to achieving its business objectives. Whether it’s through quarterly employee appreciation parties, annual profit sharing, ongoing training programs, team-building activities, or a flexible work environment, LetterStream truly prioritizes its employees, making it an outstanding place to work.
We believe that our people are the heart of M.A.I.L. (our core values – see below)
Looking for a job? We don’t really offer those. We do offer career opportunities and a chance to find your true calling. See job boards to stay aware of openings at LetterStream.
LetterStream’s Core Values
M
Mastery
Learn, Engage, Grow, Persevere, Excellence
A
Accountability
Commitment, Communication, Integrity, Quality, Ownership
I
Innovation
Curious, Problem Solving, Improvement, Creative, Transformative
L
Leadership
Humble, Unafraid, Empowering, Visionary, Inspiring
Premium Print and Mail Solutions
Innovating printing and mailing solutions since 2003, LetterStream offers revolutionary services for companies needing to get mail out the door quickly and accurately. Our cloud-based portal and APIs offer same-day solutions to both businesses and consumers. We print and mail critical documents and marketing mail for businesses, government agencies, non-profits and consumers around the world, saving needless trips to office supply stores and the local Post Office.
Web Portal for Mail (print & send)
Our efficient cloud-based mailing services streamline the process of creating your mailings. With 24x7 access to our advanced mailing building, loading, and tracking system, you can always create and queue up your next mailing. Clients load jobs in as little as 2 minutes, freeing up countless hours for more advanced projects. Now you can engage other staff members on your mailing projects and set up users with the access control they need.
App, Integrations, and API
Engage with our APIs for your servers to send mail to our servers in an automated, unattended solutions. Your mail can be queued up nightly for next day processing, to ensure that your critical mailings always go out on time. Our API can effectively handle even complex forms of first-class, marketing mail and FedEx letters.
Same Day Processing
Maybe this sounds unbelievable, but you can stumble across our website in the morning and have your important mailing out the door the same day. Create a free account in 1 minute. Load your second job in 2 minutes (the first time it may take longer). Proofs are instantaneous. 50% of jobs mail the same business day. Expedited processing is available to move your jobs to the front of the line.
Perfect Mail
Our process is designed to achieve perfect mail each and every time. Our world-class production facilities incorporate highly advanced job and mail piece tracking to ensure the output is perfect. In the extremely rare case your mail isn't, we take responsibility and learn from our mistakes. Few mailers can compete with our commitment to excellence.
Privacy, Security and Confidentiality
We don't just mail privacy policies for our clients—we live by them. Data in any form deserves great care and extreme confidence. That's why LetterStream trains and retrains employees on privacy protocols, shreds any document that doesn't leave in an envelope, and maintains rigorous IT security standards including 128-bit encryption across all process pages. We are HIPAA compliant and working on SOC 2 certification. We take the responsibility to safeguard your private information extremely seriously.
Trusted By Industry Leaders
Business Leaders are Succeeding Through “The Stream”
“The Stream”
The Stream represents LetterStream’s three core competencies — advanced cloud-based platform, intelligent print technology, and expert mail knowledge.
You get fast, accurate, and reliable mail solutions with control and visibility over all your mail production.
Frequently Asked Questions
What Is LetterStream?
LetterStream is an online print-and-mail service that helps businesses and individuals send real mail—fast, accurately, without going to the Post Office. Customers upload documents and addresses, and LetterStream handles printing, inserting, postage, and delivery through USPS or FedEx.
From First-Class Mail and Certified Mail to FedEx 2Day and postcards, we combine advanced automated technology with proven postal expertise. Ninety-five percent of all mail is sent within two business days with 99.99% accuracy and enterprise-level data security, including full HIPAA compliance.
LetterStream stands out with industry-leading speed of production, transparent tracking, and exceptional customer support. Our proven reliability, USPS-certified solutions, and integrations for businesses of all sizes make us the preferred choice for organizations seeking efficiency, accuracy, and peace of mind in every mailing project. By delivering faster, smarter, and more secure mailing services, LetterStream ensures businesses stay ahead of the competition while keeping their customers informed and engaged.
What types of mail can I send through LetterStream?
- First-Class Mail
- Certified Mail
- FedEx 2Day mail
- Large Postcards (Pro Postcard)
- Small Postcards (Express Postcard)
- Registered Mail
LetterStream provides a wide range of reliable mailing solutions, including First-Class Mail, Certified Mail, Registered Mail for international delivery, FedEx 2Day, and beautifully printed postcards in multiple sizes. Whether sending business documents, compliance notices, or marketing postcards, LetterStream ensures your mail is processed quickly, tracked accurately, and delivered on time.
Can I track my mail and keep proof/history?
Absolutely. Your account shows real-time job status and keeps full job history, including tracking (for trackable mail), and proof of mailing/delivery when applicable.
Is LetterStream HIPAA Compliant?
Yes.
LetterStream is fully compliant with HIPAA regulations.
LetterStream uses industry standard encryption, maintains strict privacy protocols, securely destroys mailings that are cancelled.
We ensure that all sensitive information is managed with the highest level of security. Our facility is secure, and our staff receives annual training to stay current on all HIPAA compliance requirements.
May I Have More Than One User On My Account?
Yes.
LetterStream offers free multi-user accounts, allowing teams to collaborate seamlessly within a single account.
Who uses LetterStream?
Businesses, government agencies, nonprofits, property management companies, healthcare organizations, financial institutions, and individuals all rely on LetterStream—whether they need to send a single piece of mail or a million. Our platform is used for compliance notices, legal correspondence, billing statements, marketing campaigns, and other business-critical communications where speed, accuracy, and reliability matter most. LetterStream removes the hassle of printing, stuffing, and mailing by transforming it into a fast, streamlined, and dependable process. If you need to send real mail, we make it effortless.
How does LetterStream work?
You create a job in your account (or via the API), upload your PDF and recipients list, review instant proofs, approve, and pay. LetterStream then prints and mails each piece, and you can track production and delivery status inside your account. The average mailing takes just 2 minutes to create a job.
Do I need a contract, minimum volume, or monthly fee to use LetterStream?
No. LetterStream has no minimums and no monthly fees, and no hidden payments. You only pay when you need to send mail.
What makes LetterStream different from other mailing services?
LetterStream brings together an advanced cloud-based platform, intelligent print technology, and decades of postal expertise into a unified operating framework known as The Stream. The Stream provides a complete mailing infrastructure designed to remove complexity and give customers confidence in every step of the mailing process.
At the heart of The Stream are three essential qualities: speed, accuracy, and reliability.
Speed ensures documents move from upload to mailbox quickly, supporting time-sensitive and compliance-driven communications.
Accuracy means each piece is produced exactly as intended—correct data, correct recipients, correct postage—protecting both your process and your reputation.
Reliability provides consistent performance at any scale, backed by real-time visibility and detailed tracking so customers maintain full control over their mailings.
The goal is simple: deliver consistent, high-accuracy mail with the transparency and dependability organizations need, whether sending a single piece or a million.
How long has LetterStream been around?
LetterStream has been innovating in printing and mailing since 2003 (over 20 years!). During this time we have produced over 13 million jobs…and counting.
Can my whole team use one LetterStream account?
Yes. Multi-user accounts are supported at no extra cost, so teams can collaborate under one billing and job history.
Do you offer API or software integrations?
Yes. LetterStream offers an API so companies can automate mail sending directly from their own systems.
