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The fax. Alive.

Easy-to-integrate APIs allow you to add programmable fax communications to your applications. Fax, welcome to the 21st century.

Advanced APIs

Automate the lifecycle of fax messaging services, including telephone number provisioning, fax transmission and receipt, and audit trails.

XML
Backward Compatibility

Migrate existing messaging applications and write new ones easily with familiar REST API libraries.

Language Support

Use your favorite programming language. We support client libraries and software developer kits (SDKs) for node.js, .NET, PHP, Python, and Ruby.

Carrier Support

Take advantage of the best prices, international reach, and service of your choice. SignalWire utilizes a diversity of backend telecom carriers to ensure reliable fax delivery around the world.

Elastic
Cloud Network

Our communications infrastructure utilizes a diversity of modern private and public cloud services coupled with a diversity of leading telecommunications providers. This distributed systems architecture enables us to deliver telecom-grade resiliency with cloud agility.

Priced to Disrupt

As the original geeks of software-defined telecom, our mission is to democratize the technology, not price-gouge you for numbers, minutes, or messages. Our industry-low rates are offered to all customers regardless of volume. No contracts. No commitments.

Get your fax straight.

Built for application developers, our fax API services have many uses ranging from the very simple to the advanced.

Secure Transmission

Fax securely transmits documents using the telephone network and requires peer-to-peer direct connectivity prior to transmission of data, eliminating common "man in the middle" attacks used with other transport mechanisms.

Financial Documents

Fax signatures remain in use in financial institutions, particularly across geographies. Fax is still commonly used for processing of claim forms as well as mortgage and other loan applications.

Health Information

Because of incompatibilities across other electronic medical record systems, fax remains used for exchanging protected health information (PHI) among physicians and for processing of claim forms.

Systems Integration

Fax usage has grown with integration across horizontal applications, including ERP, CRM, and email systems to handle ad hoc document workflows even when customers, partners, and suppliers are not yet capable of richer document exchange.

Integrate
programmable fax
today.