The use-case : Create an API for a REST endpoint and publish it from API-Publisher app Then subscribe to it from API-Store app and generate a key Finally create a test-paln from jmeter to this API invocation with using OAuth access token. Pre-Requesties : WSO2 Application Server 4.1.2 WSO2 API Manager 1.0.0 Apache JMeter Steps : Deploy the backend JAX-RS Endpoint First download and extract above two servers and to run both servers simultaneously,change one server's port offset to 1 by navigating to {Product_Home}/repository/conf/carbon.xml . Then download the sample JAX-RS war file from checking out it from here and deploy it to WSO2 AS -4.1.2 This sample JAX-RS contains three REST endpoints and here I'm going to use its endpoint of getting menu list as ' /pizzashack-api-1.0.0/api/menu/ '.Once you deployed the war file,you can check accessing 'http://yourip:port /pizzashack-api-1.0.0/api/menu/ ' from browser whether yo