webMethods Integration Server is one of the core application servers in the webMethods Fabric platform. It is a Java based, multiplatform enterprise Integration engine supporting the execution of services to perform the integration logic such as data mapping and communication with other systems.
The Integration Server supports Java, C/C++ programming languages for writing services as well as a proprietary graphical language known as flow. It also supports graphical configuration of 3rd party system operations via the concept of "Adapter services".
One of the big selling points of the Integration Server was the graphical form of coding using flow to perform mapping and other common integration/B2B tasks that are tedious in conventional, text based languages. This allows rapid development and intuitive creation of mapping logic (a large part of a typical enterprise integration project).
The Integration Server exposes its administration, configuration and auditing facilities to the user via an HTML web interface.