Here are free developer tools and SDK's offered to programmers and developers to seamlessly integrate with our Internet fax services. Link to eFax Developer FAQ's www.efaxdeveloper.com/developer/twa/page/faq Tech Support Email: support@efaxdeveloper.com
Java SDK
.NET/COM SDK
Universal Implementation Kit (Instructions for Sending and/or Receiving Faxes without using one of the SDK’s above)