A method for debugging a collaboration in an interchange server, the method comprises steps of: attaching a running collaboration executing a business process; initiating a debugging session; receiving a set of breakpoints to be inserted into the collaboration at designated points in the process; stopping the running of the collaboration at one or more of the breakpoints; and presenting a user with information relating to where the process has stopped, the status of the process flow, and how to continue the process. The method further includes exposing a set of debugging application programmer interfaces (APIs) to be used in debugging the business process.