Videos
: Send faxes by uploading files (PDF, DOC, etc.) via POST requests.
Most devs think: “Why build for fax?” But HelloFax solved a painful compliance trick:
: Supports file sizes up to 40 MB and transmissions of up to 250 pages per fax.
The API turns faxing into a RESTful resource. You send a JSON payload with a PDF, a phone number, and a send_fax command. HelloFax does the screechy analog handshake over POTS lines. You get back a status webhook. No fax machine required on your end.
Reliability in faxing often depends on staying within the platform's constraints. Developers typically manage the following limits:
