diff --git a/src/main/java/io/craftgate/request/InitCheckoutPaymentRequest.java b/src/main/java/io/craftgate/request/InitCheckoutPaymentRequest.java
index ffa5eb9..5dd4823 100644
--- a/src/main/java/io/craftgate/request/InitCheckoutPaymentRequest.java
+++ b/src/main/java/io/craftgate/request/InitCheckoutPaymentRequest.java
@@ -47,6 +47,7 @@ public class InitCheckoutPaymentRequest {
     protected boolean forceThreeDS;
     protected boolean forceAuthForNonCreditCards;
     protected boolean depositPayment;
+    protected boolean guestCheckout;
     protected Long ttl;
     protected List<CustomInstallment> customInstallments;
     protected List<PaymentItem> items;
diff --git a/src/test/java/io/craftgate/sample/PaymentSample.java b/src/test/java/io/craftgate/sample/PaymentSample.java
index ccf6683..9f95c00 100644
--- a/src/test/java/io/craftgate/sample/PaymentSample.java
+++ b/src/test/java/io/craftgate/sample/PaymentSample.java
@@ -801,6 +801,7 @@ void init_checkout_payment() {
                 .conversationId("456d1297-908e-4bd6-a13b-4be31a6e47d5")
                 .paymentGroup(PaymentGroup.LISTING_OR_SUBSCRIPTION)
                 .paymentPhase(PaymentPhase.AUTH)
+                .guestCheckout(false)
                 .items(items)
                 .build();