Fax API - Fax From Any Development Environment
- No hardware installations
- No software setup
- No phone lines to order
The InterFAX service accepts files in all popular Office formats - as well as PDF and HTML - and sends them to a fax number you specify. All three interfaces support basic fax sending for quick and simple faxing, as well as advanced fax API functionality such as multiple destinations, deferred transmission, document resolution, and more...
Choose Your Fax API:
XML Web ServiceSend faxes from any standards-compliant .NET, SOAP or other WSDL client. Features:
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Email InterfaceSend faxes from any SMTP-enabled environment. Features:
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ActiveX COM ObjectSend faxes using a simple COM Object. Features:
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Features & Benefits
- No Installations - No need to worry about fax software, servers or phone lines. Be up and running in minutes.
- Global Reach - Our fax servers are distributed over four continents. Send faxes wherever you are.
- Unlimited Scalability - Whether you need to send ten faxes or ten thousand, our servers get the job done.
- Full Control - Web-based administration screens allow you to monitor activity and control settings.
Sample Uses
- Automated Invoicing - Fax invoices and order confirmations directly from order processing systems.
- Online Restaurant Orders - Automatically fax orders from websites to restaurants for quick fulfillment.
- Itineraries - Fax travellers' itineraries and related information directly from travel management systems.
- Workflow - Fax work orders to remote personnel from workflow management systems.
Developer?
Get a full development account, for free:

- Free Registration - It costs nothing to join our developer program.
- Free Faxing - Send as many faxes as you need to one designated fax number.
- Free Support - Our support team ensures you have everything you need to get your application up and running.
- Access to Developer API - Your choice of XML Web Service, Email Interface, or ActiveX COM Object.
Latest News
What developers say
"It took us only twenty minutes and thirty lines of code to get our application running using the Interfax fax API"
"I was looking for a Java Fax API and found exactly what I needed with InterFAX"
"Our fax server couldn't handle our loads anymore, so we decided to outsource faxing to Interfax using their fax SDK"
"Web Services are all the rage now - the Interfax fax Web Service gives me all I need and more"
"Connecting to the Web Service from VB.NET gives you the impression of having a local faxing routine"
