diff --git a/almdrlib/client.py b/almdrlib/client.py
index bf5e84d..b5b4b39 100644
--- a/almdrlib/client.py
+++ b/almdrlib/client.py
@@ -13,7 +13,11 @@
 import json
 import jsonschema
 from jsonschema.validators import validator_for
+from collections import OrderedDict
+from functools import reduce
+
 import alsdkdefs
+from almdrlib.util import *
 
 from almdrlib.exceptions import AlmdrlibValueError
 from almdrlib.config import Config
@@ -247,7 +251,7 @@ def add_content(self, content_type, schema, al_schema):
         if not schema:
             return
 
-        datatype = schema.get(OpenAPIKeyWord.TYPE)
+        datatype = schema.get(OpenAPIKeyWord.TYPE, derive_type_from_decomposed_schema(schema))
         name = al_schema.get(OpenAPIKeyWord.NAME, OpenAPIKeyWord.DATA)
         if datatype == OpenAPIKeyWord.OBJECT:
             parameter = RequestBodyObjectParameter(
@@ -786,18 +790,65 @@ def __getattr__(self, op_name):
 
 def _normalize_schema(name, schema, required=False):
     properties = schema.get(OpenAPIKeyWord.PROPERTIES)
+    oneof = schema.get(OpenAPIKeyWord.ONE_OF)
+    anyof = schema.get(OpenAPIKeyWord.ANY_OF)
+    allof = schema.get(OpenAPIKeyWord.ALL_OF)
+    compound_schema = oneof or anyof or allof
+
     if properties and bool(properties):
         return schema
 
-    result = {
-        OpenAPIKeyWord.TYPE: OpenAPIKeyWord.OBJECT,
-        OpenAPIKeyWord.PROPERTIES: {
+    if compound_schema:
+        # TODO move to alertlogic-sdk-definitions normalize_node
+        if oneof:
+            xof = OpenAPIKeyWord.ONE_OF
+        elif anyof:
+            xof = OpenAPIKeyWord.ANY_OF
+        elif allof:
+            xof = OpenAPIKeyWord.ALL_OF
+
+        def reduce_props(acc, prop):
+            (k, v) = prop
+            existing_prop = acc.get(k, [])
+            if existing_prop and isinstance(existing_prop, list):
+                existing_prop.append(v)
+                acc[k] = existing_prop
+                return acc
+            elif existing_prop:
+                if existing_prop == v:
+                    return acc
+                acc[k] = [v, existing_prop]
+                return acc
+            else:
+                acc[k] = v
+                return acc
+
+        def add_xof(item):
+            (k, v) = item
+            if isinstance(v, list):
+                return k, OrderedDict({xof: v})
+            else:
+                return item
+
+        allprops = reduce(lambda acc, s: acc + list(s.get(OpenAPIKeyWord.PROPERTIES, OrderedDict()).items()),
+                          compound_schema, [])
+        reduced = reduce(reduce_props, allprops, OrderedDict())
+        compound_props = OrderedDict(map(add_xof, reduced.items()))
+        properties = compound_props
+
+    if not properties:
+        properties = OrderedDict({
             name: schema
-        }
-    }
+        })
 
+    result = OrderedDict({
+        OpenAPIKeyWord.TYPE: derive_type_from_decomposed_schema(schema) or OpenAPIKeyWord.OBJECT,
+        OpenAPIKeyWord.PROPERTIES: properties
+    })
+    
     if required:
         result[OpenAPIKeyWord.REQUIRED] = [name]
+
     return result
 
 
diff --git a/almdrlib/util.py b/almdrlib/util.py
new file mode 100644
index 0000000..932fc15
--- /dev/null
+++ b/almdrlib/util.py
@@ -0,0 +1,14 @@
+from alsdkdefs import OpenAPIKeyWord
+
+
+def derive_type_from_decomposed_schema(schema):
+    oneof = schema.get(OpenAPIKeyWord.ONE_OF)
+    anyof = schema.get(OpenAPIKeyWord.ANY_OF)
+    allof = schema.get(OpenAPIKeyWord.ALL_OF)
+
+    if oneof or anyof or allof:
+        # Attempt to find type in the decomposed schema
+        find_type = [t.get('type') for t in allof or anyof or oneof if t.get('type')]
+        return find_type[0] if find_type else None
+    else:
+        return None
diff --git a/tests/apis/testapi/testapi.v1.yaml b/tests/apis/testapi/testapi.v1.yaml
index 57ad07b..0c4f596 100644
--- a/tests/apis/testapi/testapi.v1.yaml
+++ b/tests/apis/testapi/testapi.v1.yaml
@@ -16,6 +16,35 @@ servers:
     description: integration
     x-alertlogic-session-endpoint: true
 paths:
+  '/testapi/v1/postdata':
+    post:
+      operationId: post_data_compound
+      requestBody:
+        content:
+          application/json:
+            schema:
+              oneOf:
+                - type: object
+                  properties:
+                    prop:
+                      type: string
+                  additionalProperties: true
+                - type: object
+                  properties:
+                    prop:
+                      type: integer
+                - type: string
+      responses:
+        '200':
+          description: 200 resp
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  prop:
+                    type: string
+
   '/testapi/v1/{account_id}/test_get_data':
     get:
       summary: Test Get Data Operation
diff --git a/tests/test_open_api_support.py b/tests/test_open_api_support.py
index 1810ffe..88be1ad 100644
--- a/tests/test_open_api_support.py
+++ b/tests/test_open_api_support.py
@@ -11,7 +11,7 @@
 from almdrlib.client import Config
 from almdrlib.client import Operation
 from alsdkdefs import OpenAPIKeyWord
-
+from collections import OrderedDict
 
 class TestSdk_open_api_support(unittest.TestCase):
     """Tests for `python_boilerplate` package."""
@@ -83,3 +83,14 @@ def test_003_default_objects_creation(self):
         self.assertIsInstance(Session(), Session)
         self.assertIsInstance(Config(), Config)
         self.assertIsInstance(Client(self._service_name), Client)
+
+    def test_004_test_operations_compound_schema(self):
+        """Test request body properties are properly normalized when schema is compound at the top level"""
+        client = Client(self._service_name)
+        operation = client.operations.get('post_data_compound')
+        self.assertEqual(OrderedDict([('prop',
+                                       OrderedDict([('oneOf', [
+                                           OrderedDict([('type', 'integer')]),
+                                           OrderedDict([('type', 'string')])
+                                       ])]))]),
+                         operation.body._content['application/json']._properties)