# 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