The InterFAX FAX Web Service allows developers to send faxes from any environment, including VB.NET, Java, C# and any SOAP client. Build 2017-10-01

The following operations are supported. For a formal definition, please review the Service Description.

• CancelFax
  This method is used to stop fax transmission after it was sent
• GetAllErrorCodes
  Returns list of all error codes and their respective description
• GetCoverPageList
  Obtain a list of available cover pages
• GetErrorDescription
  Returns an error message based on code
• GetFaxImage
  Returns a TIFF file of a transactions rendered document.
• GetSupportedFileTypes
  A utility method to obtain the currently supported file types.
• IsSupportedFileType
  A utility method to verify if a given file type is supported.
• QueryCompleted
  Returns full information (multiple fields - see Reference) regarding a population determined by list of completed transactions.
• QueryList
  Returns full information (multiple fields - see Reference) regarding a population determined by list of any transactions.
• ReSendFax
  This is a simple method to resend a fax. Four parameters are all that's required
• SendChainedFax
  Send a fax, depending on a failure of previous fax
• SendCharFax
  This is the simplest method to fax UTF-8 text. Also allows structured text documents, such as HTML, PostScript, etc. (To fax a binary document simply use the SendFax method.)
• SendFaxEx_3
  The most feature-filled fax sending method. Allows full control over all aspects of fax transmission. Adds page-control features not previously found in the SendfaxEx method.
• Sendfax
  This is the simplest method to fax an attached file. Five parameters are all that's required. (To fax a simple text message - use the SendCharFax method.)
• Submit
  Send fax with a cover page, inbound fax messages and uploaded files