diff --git a/craftgate/request/init_multi_payment_request.py b/craftgate/request/init_multi_payment_request.py
index 9013cd8..1d561b0 100644
--- a/craftgate/request/init_multi_payment_request.py
+++ b/craftgate/request/init_multi_payment_request.py
@@ -5,7 +5,6 @@
 from craftgate.model.currency import Currency
 from craftgate.model.payment_group import PaymentGroup
 from craftgate.model.payment_method import PaymentMethod
-from craftgate.model.payment_phase import PaymentPhase
 from craftgate.request.dto.payment_item import PaymentItem
 
 
@@ -16,13 +15,12 @@ def __init__(
             paid_price: Optional[Decimal] = None,
             currency: Optional[Currency] = None,
             payment_group: Optional[PaymentGroup] = None,
-            payment_source: Optional[PaymentSource] = None,
             conversation_id: Optional[str] = None,
             external_id: Optional[str] = None,
             callback_url: Optional[str] = None,
-            payment_phase: PaymentPhase = PaymentPhase.AUTH,
             payment_channel: Optional[str] = None,
             enabled_payment_methods: Optional[List[PaymentMethod]] = None,
+            enabled_installments: Optional[List[int]] = None,
             card_user_key: Optional[str] = None,
             buyer_member_id: Optional[int] = None,
             allow_only_credit_card: bool = False,
@@ -44,13 +42,12 @@ def __init__(
         self.paid_price = paid_price
         self.currency = currency
         self.payment_group = payment_group
-        self.payment_source = payment_source
         self.conversation_id = conversation_id
         self.external_id = external_id
         self.callback_url = callback_url
-        self.payment_phase = payment_phase
         self.payment_channel = payment_channel
         self.enabled_payment_methods = enabled_payment_methods
+        self.enabled_installments = enabled_installments
         self.masterpass_gsm_number = masterpass_gsm_number
         self.masterpass_user_id = masterpass_user_id
         self.apm_user_identity = apm_user_identity
diff --git a/tests/test_payment_sample.py b/tests/test_payment_sample.py
index 8b507a6..0f5b986 100644
--- a/tests/test_payment_sample.py
+++ b/tests/test_payment_sample.py
@@ -1609,7 +1609,6 @@ def test_init_multi_payment(self):
         req.conversation_id = "456d1297-908e-4bd6-a13b-4be31a6e47d5"
         req.external_id = "1001"
         req.payment_group = PaymentGroup.LISTING_OR_SUBSCRIPTION
-        req.payment_phase = PaymentPhase.AUTH
         req.items = items
 
         resp = self.payment.init_multi_payment(req)