diff --git a/doc/api/resources/orders.rst b/doc/api/resources/orders.rst
index 820287cf21..4c6a71bab9 100644
--- a/doc/api/resources/orders.rst
+++ b/doc/api/resources/orders.rst
@@ -750,6 +750,7 @@ Creating orders
      should only use this if you know the specific payment provider in detail. Please keep in mind that the payment
      provider will not be called to do anything about this (i.e. if you pass a bank account to a debit provider, *no*
      charge will be created), this is just informative in case you *handled the payment already*.
+   * ``payment_date`` (optional) – Date and time of the completion of the payment.
    * ``comment`` (optional)
    * ``checkin_attention`` (optional)
    * ``invoice_address`` (optional)
diff --git a/src/pretix/api/serializers/order.py b/src/pretix/api/serializers/order.py
index bdca985406..bbcf8e34d6 100644
--- a/src/pretix/api/serializers/order.py
+++ b/src/pretix/api/serializers/order.py
@@ -458,11 +458,12 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
     payment_info = CompatibleJSONField(required=False)
     consume_carts = serializers.ListField(child=serializers.CharField(), required=False)
     force = serializers.BooleanField(default=False, required=False)
+    payment_date = serializers.DateTimeField(required=False, allow_null=True)
 
     class Meta:
         model = Order
         fields = ('code', 'status', 'testmode', 'email', 'locale', 'payment_provider', 'fees', 'comment', 'sales_channel',
-                  'invoice_address', 'positions', 'checkin_attention', 'payment_info', 'consume_carts', 'force')
+                  'invoice_address', 'positions', 'checkin_attention', 'payment_info', 'payment_date', 'consume_carts', 'force')
 
     def validate_payment_provider(self, pp):
         if pp not in self.context['event'].get_payment_providers():
@@ -533,6 +534,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
         positions_data = validated_data.pop('positions') if 'positions' in validated_data else []
         payment_provider = validated_data.pop('payment_provider')
         payment_info = validated_data.pop('payment_info', '{}')
+        payment_date = validated_data.pop('payment_date', now())
         force = validated_data.pop('force', False)
 
         if 'invoice_address' in validated_data:
@@ -617,7 +619,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
                     amount=order.total,
                     provider=payment_provider,
                     info=payment_info,
-                    payment_date=now(),
+                    payment_date=payment_date,
                     state=OrderPayment.PAYMENT_STATE_CONFIRMED
                 )
             elif payment_provider:
diff --git a/src/tests/api/test_orders.py b/src/tests/api/test_orders.py
index 8b79b019b3..20d469f949 100644
--- a/src/tests/api/test_orders.py
+++ b/src/tests/api/test_orders.py
@@ -2428,6 +2428,7 @@ def test_order_create_paid_generate_invoice(token_client, organizer, event, item
     event.settings.invoice_generate = 'paid'
     res = copy.deepcopy(ORDER_CREATE_PAYLOAD)
     res['status'] = 'p'
+    res['payment_date'] = '2019-04-01 08:20:00Z'
     res['positions'][0]['item'] = item.pk
     res['positions'][0]['answers'][0]['question'] = question.pk
     resp = token_client.post(
@@ -2443,6 +2444,11 @@ def test_order_create_paid_generate_invoice(token_client, organizer, event, item
     assert p.provider == "banktransfer"
     assert p.amount == o.total
     assert p.state == "confirmed"
+    assert p.payment_date.year == 2019
+    assert p.payment_date.month == 4
+    assert p.payment_date.day == 1
+    assert p.payment_date.hour == 8
+    assert p.payment_date.minute == 20
 
 
 REFUND_CREATE_PAYLOAD = {