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Fax

Fax

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Send and receive faxes on the same phone numbers, SWML documents, and Relay clients you use for voice calls. A fax is a call: SignalWire answers or places it, transfers the pages, stores what you receive as a PDF, and reports the result to your document or your code.

Security first
SignalWire Fax is certified SOC 2 Type II compliant, and is built from the ground up for seamless HIPAA compliance.
Send and receive faxes

Send a PDF to a fax machine and receive faxes on your number with SWML or Relay, then track each result

Common fax errors

Understand and troubleshoot the most common fax transmission errors

Detect machines

Learn whether a fax machine, a person, or voicemail answered a call before you send