Fax at volume to anywhere in the world, quickly, reliably, and securely.

Peace of Mind with High Level Security

Deliver secure, cloud-based, enterprise-grade faxes and documents while meeting rigorous industry compliance standards.

Improved Business Efficiency

Smoothly migrate from on-premise fax to a secure, auditable cloud fax and distribution solution.

Easy Configuration

Enable IT process owners and end-users to communicate easily and more cost-effectively.

Flexible, Reliable API Tailored for Developers

The InterFAX Fax API is flexible, reliable and requires no upfront investment or ongoing maintenance for the faxing infrastructure. The simple and flexible API can be easily tailored to suit your business needs and processes.  Our library of API Code samples for various environments makes us a developer favorite because of our ease of use and extensive developer support.

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InterFAX Resources


InterFAX at a Glance Datasheet

The InterFAX Internet Fax Service is a high-capacity, reliable, and globally accessible...


InterFAX Secure Faxing Datasheet

Upland InterFAX is eager to offer best-in-class cloud fax features to customers...


Fax Environment Comparison

Faxing has evolved through the years. Originating at it's first commercial availability...