LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

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Why do doctors and lawyers still use fax in 2026?

Doctors, lawyers, and government offices keep faxing for three practical reasons: every office already has a fax number, so it works between systems that cannot talk to each other; the confirmation page gives a simple paper trail that courts and auditors accept; and institutional rules written years ago still name fax as the approved method. It is the universal adapter of office paperwork.

Who still faxesWhy
Medical offices and clinicsTheir record systems often cannot exchange data directly; every office has a fax number, so fax is the fallback both sides accept
Law firms and courtsConfirmation pages are treated as proof of sending; some court rules still name fax as an accepted filing method
Government agenciesProcurement and procedure manuals written years ago still list fax as the official channel
Real estate and title officesDeals involve many parties on incompatible systems; fax needs no shared software
Insurance companiesClaims workflows built around fax decades ago; changing them means retraining thousands of staff

What makes fax the "universal adapter"?

Here is the part most explanations miss: clinics do not fax because fax is good. They fax because their electronic health record systems often cannot exchange records with each other. Two hospitals can run competing software with no shared standard, no working integration, and no IT budget to build one, but both have a fax number printed on their letterhead. Fax needs no accounts, no passwords, no logins, and no software updates on either side. It is the lowest common denominator that always works, and in industries where a failed transfer means a delayed surgery or a missed filing deadline, "always works" beats "technically superior" every time.

Is it really about security?

Partly, but less than people claim. The confirmation page matters more than the encryption story: it gives the sender a timestamped record showing the destination number and page count, which is exactly what auditors and courts want to see. The deeper reason is regulatory habit. In the US, HIPAA-era procedures named fax as acceptable, and in Canada, early privacy guidance did the same; once thousands of compliance manuals say "fax," switching to something newer means rewriting the manual and re-certifying the process, which nobody volunteers to do. And here is the quiet irony: much of today's "faxing" is software servers emailing PDFs to inboxes, so the ritual survived while the phone-line part mostly did not.

Why hasn't anything replaced it?

Replacement requires everyone to move at once, and that never happens in fragmented industries. Secure messaging portals exist, and many large hospital networks use them, but the independent clinic down the street does not, so the hospital still keeps its fax line for talking to them. Email was the obvious successor thirty years ago and lost on two counts: spam and phishing made offices distrust it, and it never produced a standardized confirmation receipt that lawyers would accept. Every proposed replacement has to beat fax on universality, not just on features, and nothing has managed it yet.

What does this mean if someone asks you to fax something?

Just fax it. Fighting the recipient's process usually creates more copies and more confusion than complying: printing it, scanning it, emailing it to someone who prints it and faxes it anyway. If you have no fax machine, describe the document to your AI assistant through LetterAgent: you get a per-fax quote with the page count verified, approve the exact total, pay once, and it is sent to a US or Canadian fax number. Fax is in private testing right now. The offices asking for faxes are not going to change their minds this year, so the practical move is a sending method with no hardware and no signup.

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Ready to fax it? Fax with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it is sent.


LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

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