diff --git a/InvenTree/InvenTree/version.py b/InvenTree/InvenTree/version.py
index 03ee877cb2..39d071e182 100644
--- a/InvenTree/InvenTree/version.py
+++ b/InvenTree/InvenTree/version.py
@@ -10,12 +10,16 @@ import common.models
 
 INVENTREE_SW_VERSION = "0.6.0 dev"
 
-INVENTREE_API_VERSION = 14
+INVENTREE_API_VERSION = 15
 
 """
 Increment this API version number whenever there is a significant change to the API that any clients need to know about
 
-v14 -> 2021-20-05
+v15 -> 2021-10-06
+    - Adds detail endpoint for SalesOrderAllocation model
+    - Allows use of the API forms interface for adjusting SalesOrderAllocation objects
+
+v14 -> 2021-10-05
     - Stock adjustment actions API is improved, using native DRF serializer support
     - However adjustment actions now only support 'pk' as a lookup field
 
diff --git a/InvenTree/order/api.py b/InvenTree/order/api.py
index 26e6ed3546..af52fd0dec 100644
--- a/InvenTree/order/api.py
+++ b/InvenTree/order/api.py
@@ -631,6 +631,15 @@ class SOLineItemDetail(generics.RetrieveUpdateDestroyAPIView):
     serializer_class = SOLineItemSerializer
 
 
+class SOAllocationDetail(generics.RetrieveUpdateDestroyAPIView):
+    """
+    API endpoint for detali view of a SalesOrderAllocation object
+    """
+
+    queryset = SalesOrderAllocation.objects.all()
+    serializer_class = SalesOrderAllocationSerializer
+
+
 class SOAllocationList(generics.ListCreateAPIView):
     """
     API endpoint for listing SalesOrderAllocation objects
diff --git a/InvenTree/order/serializers.py b/InvenTree/order/serializers.py
index cc4812d1ca..40cd2def58 100644
--- a/InvenTree/order/serializers.py
+++ b/InvenTree/order/serializers.py
@@ -478,7 +478,7 @@ class SalesOrderAllocationSerializer(InvenTreeModelSerializer):
     part = serializers.PrimaryKeyRelatedField(source='item.part', read_only=True)
     order = serializers.PrimaryKeyRelatedField(source='line.order', many=False, read_only=True)
     serial = serializers.CharField(source='get_serial', read_only=True)
-    quantity = serializers.FloatField(read_only=True)
+    quantity = serializers.FloatField(read_only=False)
     location = serializers.PrimaryKeyRelatedField(source='item.location', many=False, read_only=True)
 
     # Extra detail fields