About
PostalForm makes real mail work like the internet
'PostalForm lets you send a letter online, mail a PDF, complete mail-only forms, and send Certified Mail without a printer, stamps, or a post office trip. Built for people today and agentic workflows tomorrow.'
Published Jan 15, 2026 • Updated Apr 20, 2026
PostalForm is built for the last offline step in otherwise-digital work.
Where to go next
Start with the path that matches what you need to mail.
Next step
Send a letter online
Upload a PDF or write a letter online and get it into the mail in minutes.
Next step
Mail a form or packet
Complete mail-only forms, upload supporting documents, and send with proof when needed.
Next step
Build with API or agents
Integrate PostalForm into internal tools, product workflows, or AI agents that need to send real mail.
Why we built PostalForm
Most of the world moved online. The most frustrating exceptions didn’t.
PostalForm exists for the tasks that are fully digital until the last step suddenly says: print this, sign it, stuff it, stamp it, and mail it.
Too many important tasks still end with “now mail this.” Signed forms. Government paperwork. Dispute packets. Final notices. Tax documents. Multi-page PDFs that need to reach the real world, not just someone’s inbox.
PostalForm was built to remove the friction from those moments so “I’ll mail it later” doesn’t turn into a missed deadline.
What PostalForm is
PostalForm is the bridge between digital workflows and physical delivery.
For individuals, it’s a clean way to send a letter online or mail a PDF from a phone or laptop.
For teams, it’s a practical way to send notices, forms, statements, 1099s, or other operational mail without turning someone into the envelope department.
For developers, it’s mail infrastructure: API and MCP tools that let software create draft orders, take payment, and track fulfillment.
For AI agents, it’s a way to complete real-world mailing tasks programmatically, because the next generation of workflows won’t stop at the edge of the browser.
What makes PostalForm different
We focus on one concrete outcome: getting real mail out the door quickly, clearly, and with less friction.
That means guided workflows for mail-only forms, address validation before printing, transparent pricing, secure document handling, and delivery options that match the job, from standard letters to Certified Mail and time-sensitive packets.
Upload a PDF or write a letter online, confirm the addresses, and PostalForm handles printing, envelope prep, postage, and USPS handoff. When proof matters, you can add Certified Mail. When timing matters, you can choose First Class or Express.
Built for the frontier of agentic mail
PostalForm started with a simple idea: mailing should feel as easy as clicking send.
We also believe something bigger is happening. More workflows are being delegated to software and AI agents, and some of those workflows still end with a real envelope.
PostalForm supports that future with developer and agent flows for drafts, payment, and fulfillment tracking, and Stripe publicly highlighted PostalForm as a service that helps agents pay to print and send physical mail.
Trust
Your document is handled securely and used to print and mail the order you requested. Files are kept only as long as needed for fulfillment and then deleted on a rolling schedule.
Addresses are validated before printing, and pricing is shown clearly before checkout.
Mail still matters. It just shouldn’t feel harder than the rest of modern life.
PostalForm makes sending a letter online simple for people today and programmable for the software and AI agents that will do more of tomorrow’s work.