The Redmine connector allows you to access the Redmine REST API through WSO2 ESB. This API provides access and basic CRUD operations (create, read, update, and delete) for resources such as issues, projects, and users.
...
For general information on using connectors and their operations in your ESB configurations, see Using a Connector. To download the connector, go to https://store.wso2.com/store/assets/esbconnector/redmine, and click click the Redmine connector, and then click Download Connector. Then you can can add and enable the connector in your ESB instance.