In order to use TestLink Java API in your project simply put its jar in your project build path and start coding.
For a list of dependencies required for compiling and running TestLink Java API, please refer to dependencies section.
If you are using Maven then you can add a dependency to TestLink Java API.
<dependency> <groupid>br.eti.kinoshita</groupid> <artifactid>testlink-java-api</artifactid> <version>1.9.6-1</version> </dependency>
Download TestLink Java API's jar directly from Maven Central Repository and add it to your project build path.