Bachelor’s thesis describes business process, business process management, business process management systems and ways to integrate them into existing applications. Resource oriented architecture is presented and used to develop the solution. The main purpose of this work is to design and develop RESTful web service which exposes and adds new functionalities to application programming interface, which is used to integrate business process management system with software development framework. At the
end the solution is compared with existing RESTful web services from different business process management systems in terms of resource oriented architecture.