diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 305734cf7c..d7e0e90066 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -1715,6 +1715,7 @@ class InventorySerializer(LabelsListMixin, BaseSerializerWithVariables):
             res['organization'] = self.reverse('api:organization_detail', kwargs={'pk': obj.organization.pk})
         if obj.kind == 'constructed':
             res['source_inventories'] = self.reverse('api:inventory_source_inventories', kwargs={'pk': obj.pk})
+            res['url'] = self.reverse('api:constructed_inventory_detail', kwargs={'pk': obj.pk})
         return res
 
     def to_representation(self, obj):
@@ -1756,6 +1757,81 @@ class InventorySerializer(LabelsListMixin, BaseSerializerWithVariables):
         return super(InventorySerializer, self).validate(attrs)
 
 
+class ConstructedFieldMixin(serializers.Field):
+    def get_attribute(self, instance):
+        if not hasattr(instance, '_constructed_inv_src'):
+            instance._constructed_inv_src = instance.inventory_sources.first()
+        inv_src = instance._constructed_inv_src
+        return super().get_attribute(inv_src)  # yoink
+
+
+class ConstructedCharField(ConstructedFieldMixin, serializers.CharField):
+    pass
+
+
+class ConstructedIntegerField(ConstructedFieldMixin, serializers.IntegerField):
+    pass
+
+
+class ConstructedInventorySerializer(InventorySerializer):
+    source_vars = ConstructedCharField(
+        required=False,
+        default=None,
+        allow_blank=True,
+        help_text=_('The source_vars for the related auto-created inventory source, special to constructed inventory.'),
+    )
+    update_cache_timeout = ConstructedIntegerField(
+        required=False,
+        allow_null=True,
+        min_value=0,
+        default=None,
+        help_text=_('The cache timeout for the related auto-created inventory source, special to constructed inventory'),
+    )
+    limit = ConstructedCharField(
+        required=False,
+        default=None,
+        allow_blank=True,
+        help_text=_('The limit to restrict the returned hosts for the related auto-created inventory source, special to constructed inventory.'),
+    )
+
+    class Meta:
+        model = Inventory
+        fields = ('*', '-host_filter', 'source_vars', 'update_cache_timeout', 'limit')
+
+    def pop_inv_src_data(self, data):
+        inv_src_data = {}
+        for field in ('source_vars', 'update_cache_timeout', 'limit'):
+            if field in data:
+                # values always need to be removed, as they are not valid for Inventory model
+                value = data.pop(field)
+                # null is not valid for any of those fields, taken as not-provided
+                if value is not None:
+                    inv_src_data[field] = value
+        return inv_src_data
+
+    def apply_inv_src_data(self, inventory, inv_src_data):
+        if inv_src_data:
+            update_fields = []
+            inv_src = inventory.inventory_sources.first()
+            for field, value in inv_src_data.items():
+                setattr(inv_src, field, value)
+                update_fields.append(field)
+            if update_fields:
+                inv_src.save(update_fields=update_fields)
+
+    def create(self, validated_data):
+        inv_src_data = self.pop_inv_src_data(validated_data)
+        inventory = super().create(validated_data)
+        self.apply_inv_src_data(inventory, inv_src_data)
+        return inventory
+
+    def update(self, obj, validated_data):
+        inv_src_data = self.pop_inv_src_data(validated_data)
+        obj = super().update(obj, validated_data)
+        self.apply_inv_src_data(obj, inv_src_data)
+        return obj
+
+
 class InventoryScriptSerializer(InventorySerializer):
     class Meta:
         fields = ()
diff --git a/awx/api/urls/inventory.py b/awx/api/urls/inventory.py
index c7d3592c93..3be18d5249 100644
--- a/awx/api/urls/inventory.py
+++ b/awx/api/urls/inventory.py
@@ -6,6 +6,8 @@ from django.urls import re_path
 from awx.api.views.inventory import (
     InventoryList,
     InventoryDetail,
+    ConstructedInventoryDetail,
+    ConstructedInventoryList,
     InventoryActivityStreamList,
     InventorySourceInventoriesList,
     InventoryJobTemplateList,
@@ -50,4 +52,10 @@ urls = [
     re_path(r'^(?P<pk>[0-9]+)/copy/$', InventoryCopy.as_view(), name='inventory_copy'),
 ]
 
-__all__ = ['urls']
+# Constructed inventory special views
+constructed_inventory_urls = [
+    re_path(r'^$', ConstructedInventoryList.as_view(), name='constructed_inventory_list'),
+    re_path(r'^(?P<pk>[0-9]+)/$', ConstructedInventoryDetail.as_view(), name='constructed_inventory_detail'),
+]
+
+__all__ = ['urls', 'constructed_inventory_urls']
diff --git a/awx/api/urls/urls.py b/awx/api/urls/urls.py
index 5d0818b191..6db1b75287 100644
--- a/awx/api/urls/urls.py
+++ b/awx/api/urls/urls.py
@@ -39,7 +39,7 @@ from .organization import urls as organization_urls
 from .user import urls as user_urls
 from .project import urls as project_urls
 from .project_update import urls as project_update_urls
-from .inventory import urls as inventory_urls
+from .inventory import urls as inventory_urls, constructed_inventory_urls
 from .execution_environments import urls as execution_environment_urls
 from .team import urls as team_urls
 from .host import urls as host_urls
@@ -110,6 +110,7 @@ v2_urls = [
     re_path(r'^project_updates/', include(project_update_urls)),
     re_path(r'^teams/', include(team_urls)),
     re_path(r'^inventories/', include(inventory_urls)),
+    re_path(r'^constructed_inventories/', include(constructed_inventory_urls)),
     re_path(r'^hosts/', include(host_urls)),
     re_path(r'^groups/', include(group_urls)),
     re_path(r'^inventory_sources/', include(inventory_source_urls)),
diff --git a/awx/api/views/inventory.py b/awx/api/views/inventory.py
index 7490fba796..a33097a725 100644
--- a/awx/api/views/inventory.py
+++ b/awx/api/views/inventory.py
@@ -31,6 +31,7 @@ from awx.api.views.labels import LabelSubListCreateAttachDetachView
 
 from awx.api.serializers import (
     InventorySerializer,
+    ConstructedInventorySerializer,
     ActivityStreamSerializer,
     RoleSerializer,
     InstanceGroupSerializer,
@@ -82,7 +83,9 @@ class InventoryDetail(RelatedJobsPreventDeleteMixin, RetrieveUpdateDestroyAPIVie
 
         # Do not allow changes to an Inventory kind.
         if kind is not None and obj.kind != kind:
-            return Response(dict(error=_('You cannot turn a regular inventory into a "smart" inventory.')), status=status.HTTP_405_METHOD_NOT_ALLOWED)
+            return Response(
+                dict(error=_('You cannot turn a regular inventory into a "smart" or "constructed" inventory.')), status=status.HTTP_405_METHOD_NOT_ALLOWED
+            )
         return super(InventoryDetail, self).update(request, *args, **kwargs)
 
     def destroy(self, request, *args, **kwargs):
@@ -97,6 +100,20 @@ class InventoryDetail(RelatedJobsPreventDeleteMixin, RetrieveUpdateDestroyAPIVie
             return Response(dict(error=_("{0}".format(e))), status=status.HTTP_400_BAD_REQUEST)
 
 
+class ConstructedInventoryDetail(InventoryDetail):
+
+    serializer_class = ConstructedInventorySerializer
+
+
+class ConstructedInventoryList(InventoryList):
+
+    serializer_class = ConstructedInventorySerializer
+
+    def get_queryset(self):
+        r = super().get_queryset()
+        return r.filter(kind='constructed')
+
+
 class InventorySourceInventoriesList(SubListAttachDetachAPIView):
     model = Inventory
     serializer_class = InventorySerializer
diff --git a/awx/api/views/root.py b/awx/api/views/root.py
index d879e4537e..f5b2457dcc 100644
--- a/awx/api/views/root.py
+++ b/awx/api/views/root.py
@@ -101,6 +101,7 @@ class ApiVersionRootView(APIView):
         data['tokens'] = reverse('api:o_auth2_token_list', request=request)
         data['metrics'] = reverse('api:metrics_view', request=request)
         data['inventory'] = reverse('api:inventory_list', request=request)
+        data['constructed_inventory'] = reverse('api:constructed_inventory_list', request=request)
         data['inventory_sources'] = reverse('api:inventory_source_list', request=request)
         data['inventory_updates'] = reverse('api:inventory_update_list', request=request)
         data['groups'] = reverse('api:group_list', request=request)
diff --git a/awx/main/tests/functional/api/test_inventory.py b/awx/main/tests/functional/api/test_inventory.py
index 80357a22f9..c8139a340a 100644
--- a/awx/main/tests/functional/api/test_inventory.py
+++ b/awx/main/tests/functional/api/test_inventory.py
@@ -594,3 +594,45 @@ class TestControlledBySCM:
             rando,
             expect=403,
         )
+
+
+@pytest.mark.django_db
+class TestConstructedInventory:
+    @pytest.fixture
+    def constructed_inventory(self, organization):
+        return Inventory.objects.create(name='constructed-test-inventory', kind='constructed', organization=organization)
+
+    def test_get_constructed_inventory(self, constructed_inventory, admin_user, get):
+        inv_src = constructed_inventory.inventory_sources.first()
+        inv_src.update_cache_timeout = 53
+        inv_src.save(update_fields=['update_cache_timeout'])
+        r = get(url=reverse('api:constructed_inventory_detail', kwargs={'pk': constructed_inventory.pk}), user=admin_user, expect=200)
+        assert r.data['update_cache_timeout'] == 53
+
+    def test_patch_constructed_inventory(self, constructed_inventory, admin_user, patch):
+        inv_src = constructed_inventory.inventory_sources.first()
+        assert inv_src.update_cache_timeout == 0
+        assert inv_src.limit == ''
+        r = patch(
+            url=reverse('api:constructed_inventory_detail', kwargs={'pk': constructed_inventory.pk}),
+            data=dict(update_cache_timeout=54, limit='foobar'),
+            user=admin_user,
+            expect=200,
+        )
+        assert r.data['update_cache_timeout'] == 54
+        inv_src = constructed_inventory.inventory_sources.first()
+        assert inv_src.update_cache_timeout == 54
+        assert inv_src.limit == 'foobar'
+
+    def test_create_constructed_inventory(self, constructed_inventory, admin_user, post, organization):
+        r = post(
+            url=reverse('api:constructed_inventory_list'),
+            data=dict(name='constructed-inventory-just-created', kind='constructed', organization=organization.id, update_cache_timeout=55, limit='foobar'),
+            user=admin_user,
+            expect=201,
+        )
+        pk = r.data['id']
+        constructed_inventory = Inventory.objects.get(pk=pk)
+        inv_src = constructed_inventory.inventory_sources.first()
+        assert inv_src.update_cache_timeout == 55
+        assert inv_src.limit == 'foobar'