Write a Client Application Using the SDK ¶ Follow the steps in the Quick Start Guide , to deploy the sample API, subscribe and generate keys. Info Access Token Once the keys are generated, copy the access token. You can use this token to invoke APIs that you subscribe to using the same application. Go to the Developer Portal. Select your API and download the SDK for Java . In this example, you would have downloaded the PizzaShackAPI_1.0.0_java.zip file. This file name includes the API name, version, and language of the SDK. Unzip the PizzaShackAPI_1.0.0_java.zip file. Expand to see the folder structure of the unzipped file... Build the SDK using maven . When it’s done, you can include this SDK as a dependency in your software project. Details of this maven dependency are included in the README.md file. Expand to view Maven dependency < dependency > < groupId > org.wso2 </ groupId > < artifactId ...