# Eclipse.IoT hawkBit - Direct Device Integration API - Model and Resources The Direct Device Integration (DDI) API is used by devices for communicating with the HawkBit Update Server through HTTP. # Version 1 The model follows [semantic versioning](http://semver.org) with MAJOR version, i.e. breaking changes will result in a new MAJOR version. # Compile #### Build hawkbit-ddi-api ``` $ cd hawkbit/hawkbit-ddi-api $ mvn clean install ```