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A lightweight REST API library

Javalin is a true micro Java REST API library and has no external dependencies other than the embedded web-server (jetty), but it has plugins for JSON mapping and template rendering available if you need that.

Download Javalin


Not familiar with Maven? Click here for more detailed instructions.

compile 'io.javalin:javalin:1.7.0'

Not familiar with Gradle? Click here for more detailed instructions.

libraryDependencies += "io.javalin" % "javalin" % "1.7.0"
@Grab(group='io.javalin', module='javalin', version='1.7.0') 
[io.javalin/javalin "1.7.0"]
<dependency org="io.javalin" name="javalin" rev="1.7.0" />

Manual downloads

You can get the prebuilt jar from maven central.
You can get the source on GitHub, or download it as a zip.

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