import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.Response;
Client client = ClientBuilder.newClient();
URI apiRoot = URI.create("https://api.serialized.io");
Map response = client.target(apiRoot)
.header("Serialized-Access-Key", "<YOUR_ACCESS_KEY>")
.header("Serialized-Secret-Access-Key", "<YOUR_SECRET_ACCESS_KEY>")