You are billed for delivered pages.
Busy line, wrong number, or a machine that will not pick up: those pages come back. Retry is free.
Every successful send writes a signed receipt with time, destination, page count, and transmission id.
Scan it, attach it, or pull it from Drive.
Camera, photos, PDF, Word, Excel, and PowerPoint. Add a cover page. Search the text inside faxes you already sent or received.

Photograph
Crop, filter, and stack pages in the app. Office files convert before they go out.
Address
Keypad, contacts, or a number found on the page. Cost shows in pages before you send.
Prove
Keep the receipt, forward the fax, or turn on no-retention so document bytes do not sit on our servers.
Your own number. A BAA when you need one.
Premium includes a dedicated fax number. Business adds a Business Associate Agreement for practices that fax protected health information. Request it in Settings after you subscribe.