LetterAgent
Mail physical letters by just asking your AI assistant.
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Sometimes. A few online fax services include a free tier or a trial that covers a handful of pages, and some one-off senders squeak by on those. The catch is what comes next: once the free pages run out, most services require a paid subscription, and trials that ask for a card can convert automatically. Read the billing terms before you upload.
It means one of three things, and only one is truly free:
| Model | How it works | The catch |
|---|---|---|
| Free tier | A few pages per month at no charge, no card required | Page caps are small; one long document blows through them |
| Free trial | Full service for a week or two | Often requires a card, and the trial converts to a paid plan if you forget to cancel |
| Truly free service | Send without paying or signing up | Rare, usually ad supported, may add a branded cover page you can't remove |
The economics are simple: every fax costs the provider phone-line time, so nobody gives away unlimited faxing. A service advertising "free fax" is betting you'll stay for the paid plan. That is fine for a genuine one-time need, but go in knowing the business model.
First, the trial that converts. If signup asks for a card before your first free fax, set a calendar reminder for the day before the trial ends, or pick a service with a card-free free tier instead. Second, the page-count reset: some "free" plans reset monthly and silently bill overage, so a 12-page document on a 10-page free tier costs you. Third, receiving: many free tiers let you send but charge for a fax number that receives, which matters if the recipient needs to fax something back. Read the pricing page the way you'd read a phone contract, because it basically is one.
Yes, depending on what you actually need. Public libraries often let patrons fax a few pages for free or nearly free, and that covers most one-time sends. If the recipient just needs to read the document, emailing a PDF isn't a fax legally, but plenty of offices accept it when fax is listed as a habit rather than a requirement; ask first. And some workplaces still have a fax machine in the mail room you can use with permission. The free-online route is best when you need a real fax transmission, on a deadline, from where you sit.
That is the LetterAgent model: you describe the document to your AI assistant, it quotes the exact total up front, you approve it and pay once through Stripe, and the fax is sent to a US or Canadian fax number. There is no subscription to forget about, which is the whole point: one fax, one price, done. Fax is currently in testing, so ask your assistant about availability before you count on it.
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.
Need help? Ask your assistant: it can check a job's status any time. If it ever can't handle something: hello@getletteragent.com