diff --git a/doc/source/http-api.rst b/doc/source/http-api.rst
index 82d38a429..df882c103 100644
--- a/doc/source/http-api.rst
+++ b/doc/source/http-api.rst
@@ -397,3 +397,4 @@ Version History
           are requested, API gets HTTP 400 response.
 * **1.10** adds node state to the GET /v1/introspection/<Node ID> and
           GET /v1/introspection API response data.
+* **1.11** adds invert&multiple fields into rules response data
diff --git a/ironic_inspector/db.py b/ironic_inspector/db.py
index 9208369c3..042ff06e1 100644
--- a/ironic_inspector/db.py
+++ b/ironic_inspector/db.py
@@ -112,6 +112,8 @@ class RuleCondition(Base):
         res = self.params.copy()
         res['op'] = self.op
         res['field'] = self.field
+        res['multiple'] = self.multiple
+        res['invert'] = self.invert
         return res
 
 
diff --git a/ironic_inspector/main.py b/ironic_inspector/main.py
index cb84e1401..fa30f0eae 100644
--- a/ironic_inspector/main.py
+++ b/ironic_inspector/main.py
@@ -51,7 +51,7 @@ MINIMUM_API_VERSION = (1, 0)
 # TODO(dtantsur): set to the current version as soon we move setting IPMI
 # credentials support completely.
 DEFAULT_API_VERSION = (1, 8)
-CURRENT_API_VERSION = (1, 10)
+CURRENT_API_VERSION = (1, 11)
 _LOGGING_EXCLUDED_KEYS = ('logs',)
 
 
diff --git a/ironic_inspector/test/functional.py b/ironic_inspector/test/functional.py
index fd8a6c528..ccea85155 100644
--- a/ironic_inspector/test/functional.py
+++ b/ironic_inspector/test/functional.py
@@ -43,6 +43,7 @@ from ironic_inspector import main
 from ironic_inspector import node_cache
 from ironic_inspector import rules
 from ironic_inspector.test import base
+from ironic_inspector.test.unit import test_rules
 
 
 CONF = """
@@ -393,9 +394,16 @@ class Test(Base):
         res = self.call_list_rules()
         self.assertEqual([], res)
 
-        rule = {'conditions': [],
-                'actions': [{'action': 'fail', 'message': 'boom'}],
-                'description': 'Cool actions'}
+        rule = {
+            'conditions': [
+                test_rules.BaseTest.condition_defaults(
+                    {'op': 'eq', 'field': 'memory_mb', 'value': 1024}
+                )
+            ],
+            'actions': [{'action': 'fail', 'message': 'boom'}],
+            'description': 'Cool actions'
+        }
+
         res = self.call_add_rule(rule)
         self.assertTrue(res['uuid'])
         rule['uuid'] = res['uuid']
diff --git a/ironic_inspector/test/unit/test_rules.py b/ironic_inspector/test/unit/test_rules.py
index 4164a6c6d..a82fe7a08 100644
--- a/ironic_inspector/test/unit/test_rules.py
+++ b/ironic_inspector/test/unit/test_rules.py
@@ -13,7 +13,6 @@
 # under the License.
 
 """Tests for introspection rules."""
-
 import mock
 from oslo_utils import uuidutils
 
@@ -41,6 +40,13 @@ class BaseTest(test_base.NodeTest):
             'local_gb': 42,
         }
 
+    @staticmethod
+    def condition_defaults(condition):
+        condition = condition.copy()
+        condition.setdefault('multiple', 'any')
+        condition.setdefault('invert', False)
+        return condition
+
 
 class TestCreateRule(BaseTest):
     def test_only_actions(self):
@@ -60,12 +66,22 @@ class TestCreateRule(BaseTest):
                                uuid=self.uuid)
 
     def test_with_conditions(self):
+        self.conditions_json.extend([
+            # multiple present&default, invert absent
+            {'op': 'eq', 'field': 'local_gb', 'value': 60, 'multiple': 'any'},
+            # multiple absent, invert present&default
+            {'op': 'eq', 'field': 'local_gb', 'value': 60, 'invert': False},
+            # multiple&invert present&non-default
+            {'op': 'eq', 'field': 'memory_mb', 'value': 1024,
+             'multiple': 'all', 'invert': True},
+        ])
         rule = rules.create(self.conditions_json, self.actions_json)
         rule_json = rule.as_dict()
 
         self.assertTrue(rule_json.pop('uuid'))
         self.assertEqual({'description': None,
-                          'conditions': self.conditions_json,
+                          'conditions': [BaseTest.condition_defaults(cond)
+                                         for cond in self.conditions_json],
                           'actions': self.actions_json},
                          rule_json)
 
@@ -140,7 +156,8 @@ class TestGetRule(BaseTest):
 
         self.assertTrue(rule_json.pop('uuid'))
         self.assertEqual({'description': None,
-                          'conditions': self.conditions_json,
+                          'conditions': [BaseTest.condition_defaults(cond)
+                                         for cond in self.conditions_json],
                           'actions': self.actions_json},
                          rule_json)
 
diff --git a/releasenotes/notes/Inspector_rules_API_does_not_return_all_attributes-98a9765726c405d5.yaml b/releasenotes/notes/Inspector_rules_API_does_not_return_all_attributes-98a9765726c405d5.yaml
new file mode 100644
index 000000000..1b5a743f5
--- /dev/null
+++ b/releasenotes/notes/Inspector_rules_API_does_not_return_all_attributes-98a9765726c405d5.yaml
@@ -0,0 +1,5 @@
+---
+features:
+    - |
+     Querying **inspector** rules API now also returns the ``invert`` and
+     ``multiple`` attributes of the associated conditions.