phase4 is an embeddable, lightweight Java library to send and receive AS4 messages for different profiles.
phase4 is part of my Peppol solution stack. See https://github.com/phax/peppol for other components and libraries in that area.
Please see the Wiki for the full documentation.
If you like the project, a star on GitHub is always appreciated.
If you need commercial support, please reach out to me by email (see file pom.xml if you don't have it).
My personal Coding Styleguide | It is appreciated if you star the GitHub project if you like it.