<repositories> <repository> <id>jitpack.io</id> <url>https://jitpack.io</url> </repository> </repositories> 

<dependency> <groupId>com.github.dmanchon</groupId> <artifactId>ngrok-java-client</artifactId> <version>0.1-SNAPSHOT</version> </dependency> 

$ ngrok start --none 

 ... import xyz.dmanchon.ngrok.client.NgrokTunnel; ... //Start tunnel, ngrok address is default NgrokTunnel tunnel = new NgrokTunnel(8080); //Start tunnel, explicit ngrok address NgrokTunnel tunnel = new NgrokTunnel("http://127.0.0.1:4040", 8080); ... //Get the public url: String url = tunnel.url(); //Close the tunnel: tunnel.close();