ContactLists.java

package io.mailtrap.examples.contactlists;

import io.mailtrap.config.MailtrapConfig;
import io.mailtrap.factory.MailtrapClientFactory;

public class ContactLists {

    private static final String TOKEN = "<YOUR MAILTRAP TOKEN>";
    private static final long ACCOUNT_ID = 1L;

    public static void main(String[] args) {
        final var config = new MailtrapConfig.Builder()
                .token(TOKEN)
                .build();

        final var client = MailtrapClientFactory.createMailtrapClient(config);

        var contacts = client.contactsApi().contactLists().findAll(ACCOUNT_ID);

        System.out.println(contacts);
    }
}