<dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> </dependency> OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder() .url("http://example.com") .build(); Call call = client.newCall(request); Response response = call.execute(); call.enqueue(new Callback() { @Override public void onResponse(Call call, Response response) throws IOException { } @Override public void onFailure(Call call, IOException e) { } });