C# Fax API - Send Faxes with a Few Lines of Code
Need a C# fax API? The InterFAX C# API lets you send faxes using only a few lines of code, with no installations. InterFAX accepts documents in formats including Microsoft Word, PDF, ASCII, HTML and URL, and sends them to a fax number you specify. We offer basic sending/receiving of faxes, and advanced features such as multiple destinations, deferred transmission, and document resolution.
Sign up now for our free developer program and receive immediate access to the Interfax C# fax API and fax APIs for other popular languages. No hardware installations, no software setup, no phone lines to order.