diff --git a/doc/api/resources/orders.rst b/doc/api/resources/orders.rst
index 0ba3a25b3d..2b4ab6ef24 100644
--- a/doc/api/resources/orders.rst
+++ b/doc/api/resources/orders.rst
@@ -940,9 +940,9 @@ Creating orders
         during order generation and is not respected automatically when the order changes later.)
 
    * ``force`` (optional). If set to ``true``, quotas will be ignored.
-   * ``send_mail`` (optional). If set to ``true``, the same emails will be sent as for a regular order, regardless of
+   * ``send_email`` (optional). If set to ``true``, the same emails will be sent as for a regular order, regardless of
      whether these emails are enabled for certain sales channels. Defaults to
-     ``false``.
+     ``false``. Used to be ``send_mail`` before pretix 3.14.
 
    If you want to use add-on products, you need to set the ``positionid`` fields of all positions manually
    to incrementing integers starting with ``1``. Then, you can reference one of these
diff --git a/src/pretix/api/serializers/order.py b/src/pretix/api/serializers/order.py
index 5d5cb9bf1c..f4b1397707 100644
--- a/src/pretix/api/serializers/order.py
+++ b/src/pretix/api/serializers/order.py
@@ -682,7 +682,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
     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)
-    send_mail = serializers.BooleanField(default=False, required=False)
+    send_email = serializers.BooleanField(default=False, required=False)
     simulate = serializers.BooleanField(default=False, required=False)
 
     def __init__(self, *args, **kwargs):
@@ -693,7 +693,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
         model = Order
         fields = ('code', 'status', 'testmode', 'email', 'locale', 'payment_provider', 'fees', 'comment', 'sales_channel',
                   'invoice_address', 'positions', 'checkin_attention', 'payment_info', 'payment_date', 'consume_carts',
-                  'force', 'send_mail', 'simulate')
+                  'force', 'send_email', 'simulate')
 
     def validate_payment_provider(self, pp):
         if pp is None:
@@ -786,7 +786,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
         payment_date = validated_data.pop('payment_date', now())
         force = validated_data.pop('force', False)
         simulate = validated_data.pop('simulate', False)
-        self._send_mail = validated_data.pop('send_mail', False)
+        self._send_mail = validated_data.pop('send_email', False)
 
         if 'invoice_address' in validated_data:
             iadata = validated_data.pop('invoice_address')
diff --git a/src/pretix/api/views/order.py b/src/pretix/api/views/order.py
index 892e78e8b8..c96c9dce04 100644
--- a/src/pretix/api/views/order.py
+++ b/src/pretix/api/views/order.py
@@ -558,6 +558,8 @@ class OrderViewSet(viewsets.ModelViewSet):
             )
 
     def create(self, request, *args, **kwargs):
+        if 'send_mail' in request.data and 'send_email' not in request.data:
+            request.data['send_email'] = request.data['send_mail']
         serializer = OrderCreateSerializer(data=request.data, context=self.get_serializer_context())
         serializer.is_valid(raise_exception=True)
         with transaction.atomic():
diff --git a/src/tests/api/test_orders.py b/src/tests/api/test_orders.py
index 7d913cbffc..ececd20da0 100644
--- a/src/tests/api/test_orders.py
+++ b/src/tests/api/test_orders.py
@@ -3358,7 +3358,7 @@ def test_order_create_send_emails(token_client, organizer, event, item, quota, q
     res = copy.deepcopy(ORDER_CREATE_PAYLOAD)
     res['positions'][0]['item'] = item.pk
     res['positions'][0]['answers'][0]['question'] = question.pk
-    res['send_mail'] = True
+    res['send_email'] = True
     djmail.outbox = []
     resp = token_client.post(
         '/api/v1/organizers/{}/events/{}/orders/'.format(
@@ -3378,7 +3378,7 @@ def test_order_create_send_emails_free(token_client, organizer, event, item, quo
     res['payment_provider'] = 'free'
     del res['fees']
     res['positions'][0]['answers'][0]['question'] = question.pk
-    res['send_mail'] = True
+    res['send_email'] = True
     djmail.outbox = []
     resp = token_client.post(
         '/api/v1/organizers/{}/events/{}/orders/'.format(
@@ -3392,6 +3392,25 @@ def test_order_create_send_emails_free(token_client, organizer, event, item, quo
 
 @pytest.mark.django_db
 def test_order_create_send_emails_paid(token_client, organizer, event, item, quota, question):
+    res = copy.deepcopy(ORDER_CREATE_PAYLOAD)
+    res['positions'][0]['item'] = item.pk
+    res['positions'][0]['answers'][0]['question'] = question.pk
+    res['send_email'] = True
+    res['status'] = 'p'
+    djmail.outbox = []
+    resp = token_client.post(
+        '/api/v1/organizers/{}/events/{}/orders/'.format(
+            organizer.slug, event.slug
+        ), format='json', data=res
+    )
+    assert resp.status_code == 201
+    assert len(djmail.outbox) == 2
+    assert djmail.outbox[0].subject == "Your order: {}".format(resp.data['code'])
+    assert djmail.outbox[1].subject == "Payment received for your order: {}".format(resp.data['code'])
+
+
+@pytest.mark.django_db
+def test_order_create_send_emails_legacy(token_client, organizer, event, item, quota, question):
     res = copy.deepcopy(ORDER_CREATE_PAYLOAD)
     res['positions'][0]['item'] = item.pk
     res['positions'][0]['answers'][0]['question'] = question.pk