repositories {
    ...
    maven { url 'https://jitpack.io' }
}
dependencies {
    implementation 'com.github.chargily:chargily-epay-java:1.0'
}

import chargily.epay.java.*;

class ChargilyApp {
    public static void main() {
        ChargilyClient client = new ChargilyClient("[API_KEY]");
        Invoice invoice = new Invoice(
                "Chakhoum Ahmed",
                "rainxh11@gmail.com",
                5.0,
                "https://backend.com/webhook_endpoint",
                "https://frontend.com",
                PaymentMethod.EDAHABIA,
                "5001",
                10000.0);
        try {
            var response = client.createInvoice(invoice);
            System.out.println(response.body().checkoutUrl);
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }
}