.Net Fax API

.Net Fax API
  • Send a fax
    using InterFAX.Api;
    var interfax = new FaxClient();
    var options = new SendOptions { FaxNumber = "+11111111112"};
    var fileDocument = interfax.Documents.BuildFaxDocument(@".\folder\fax.txt");
    var messageId = await interfax.SendFax(faxDocument, options);
  • Check sent fax status
    var faxes = await interfax.Outbound.GetList();
    var fax = interfax.Outbound.GetFaxRecord(999999999)
  • Retrieve received fax
    var faxes = await interfax.Inbound.GetList(new ListOptions { UnreadOnly = true });
    var fax = await interfax.Inbound.GetFaxRecord(999999999);
    using (var imageStream = await _interfax.Inbound.GetFaxImageStream(999999999))
        using (var fileStream = File.Create(@".\image.tiff"))
            Utils.CopyStream(imageStream, fileStream);
Send and receive faxes from .Net using the InterFAX Fax API
  • No hardware installations
  • No software setup
  • No phone lines to order

The InterFAX accepts files in all popular Office formats, including PDF and HTML, and sends them to a fax number you specify. The fax API offers basic fax send/receive, and advanced features such as multiple destinations, deferred transmission, document resolution, and more.

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Get up and running in minutes, using a dedicated .Net faxing library.

More code samples

This is a more advanced .Net code sample to show how to send a fax and then check the status of a fax that was submitted until the...

This is a more advanced .Net code sample to show how to send a fax with a large document.

This is a more advanced .Net code sample to show how to send a fax with multiple documents.

This is a .Net code sample to show how to retrieve the list of all faxes submitted and cancel those faxes that are still in process.

This is a more advanced .Net code sample to show how to retrieve the list of inbound faxes, download the fax images and mark the...

This is a more advanced .Net code sample to show how to retrieve information for a specific inbound fax, resend the email notifications...

In this sample, you learn how to perform a simple transmission of a fax with C#, using the inbound Web service's...

This sample explains how to send one or more C# faxes to one or more recipients using the method...

This sample demonstrates how to upload a large file and then send it as a fax using C#.

This sample shows you how to retrieve information for one or more submitted C# faxes using the...

The FaxQuery2 method demonstrated in this sample allows...

This example shows you how to retrieve the image of a received (inbound) C# fax.

In this sample, you retrieve a list of submitted (inbound) C# faxes using the GetList method.

This code sample uses the CancelFax method to cancel a...

What you get...

Free Registration
It costs nothing to join our developer program.
Free Faxing
Send as many test 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 REST, SOAP, or SMTP interface.

Features & Benefits of InterFAX

No Installations
No need to worry about fax software, servers or phone lines. Be up and running in minutes.
Encrypted Fax
Enhanced security with SSL access and encryption for inbound/outbound fax messages.
Global Reach
Our fax servers are distributed over four continents. Send faxes wherever you are.
Complies with the most stringent industry regulations, including the Health Insurance Portability and Accountability Act.
Unlimited Scalability
Whether you need to send ten faxes or ten thousand, our servers get the job done.
Outbound PCI DSS Fax
Complies with the new mandatory standard, ensuring the highest level of security for faxing credit-card data.
Full Control
Web-based administration screens allow you to monitor activity and control settings.
EU Data Protection
Complies with the EU Data Protection Directive, ensuring that all faxes are handled within the EU.

Sample Uses

Automated Invoicing
Automate fax invoices and order confirmations directly from order processing systems.
Online Restaurant Orders
Automatically fax orders from websites to restaurants for quick fulfillment.
Fax travellers' itineraries and related information directly from travel management systems.
Fax work orders to remote personnel from workflow management systems.
FAXCOMEXLib Alternative
Save the trouble of integrating the Windows fax library into your application.

Contact us today

Talk to a member of our team about the benefits InterFAX can bring to your organization's communications processes.

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