Blog
How to send a fax today and what a fax API does on the line. How an agent faxes inside approvals and budgets. Why banks, clinics and courts still fax.
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How to send a fax in 2026: machine, computer, email or API
Every way to send a fax today, what each one needs and what it costs. How to know the pages arrived, and what to do when the line is busy.
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One-time fax: send a single fax with no fax machine
Four ways to send one fax today without owning a machine. What each costs in time and money, and what to check before the pages leave.
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Pay per fax: what sending without a subscription costs
The three pricing models for sending a fax, what a per-page price hides, and how a prepaid wallet at $0.039 a page works. Prices as of 2026-10-28.
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Receiving faxes as data: inbox, OCR and schema extraction
A number, a signed event, the PDF, the text and the fields with a confidence. How the pipeline works, why fax text is untrusted, and what is live today.
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Send a fax from a computer: four ways that work in 2026
Browser upload, your mail client, fax software with a modem, or an API from a script. What to prepare, what each costs, and how to confirm the pages arrived.
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Send a fax from email: how email to fax works
How an email to fax address is built, what the attachment must be and what the return mail proves. When an API fits software better than a mailbox.
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Send a fax with an MCP server: all 15 tools in order
A walkthrough of the hosted fax MCP server from Claude Code, Cursor or Codex. Connect, prepare, quote, ask a person, send, read the status, read the inbox.
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What a fax API is and how one works, from PDF to T.30
A file becomes monochrome pages. Then the cover sheet, the quote, the T.30 call phase by phase, and the delivery evidence a receipt holds. Sources named.
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Why AI agents still need fax, and how to keep them safe
Where agent workflows end at a fax number and what goes wrong when an agent faxes freely. The four server-side controls: quote, approval, policy, identity.
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Why banks, clinics and courts still fax
The rules that name fax for prescriptions, court filings and tax forms, each with its source, and the technical property those rules lean on.