A Java API to access the Steam community market through the HTTP interface. This may be against the TOS so be careful using it!
'nl.pvanassen.steam:steam-api:3.0.2'
<dependency>
<groupId>nl.pvanassen.steam</groupId>
<artifactId>steam-api</artifactId>
<version>3.0.2</version>
</dependency>
<dependency org="nl.pvanassen.steam" name="steam-api" rev="3.0.2"/>
"nl.pvanassen.steam", "steam-api", "3.0.2"