Delete workflow from external app

[luxman99]

I developped a php app that redirects to the workflow page. The problem, that I want to let this app's users delete a running workflow in Alfresco Share. I don't know how to start.

[lyles]

You probably want to use the Workflow REST API:
http://wiki.alfresco.com/wiki/Workflow_REST_API#Delete_Workflow_Instance