This is a major requirement raised by many WSO2 API Manager users many times and finally it was introduced with latest WSO2 APIManager 1.6.0 release.It's the ability of plugin workflow extensions in to APIManager major functionalities. As the first cut,we have introduced workflow extension support for below three major functionalities; User Signup API Subscription Application Creation By default,APIM binary pack is shipped with a java workflow executor and a web service executor to trigger workflow processes on above three functions and that executor can be defined and configurable via api-manager.xml file.If you wish to add your own workflow executor on each above three processes,that also possible.What you have to do is write your own custom executor and integrate it to WSO2 APIM pack via a configuration change in api-manager.xml file.For more information,please refer http://docs.wso2.org/display/AM160/Adding+Workflow+Extensions . Addition to providing abil...