diff --git a/pyoaev/apis/endpoint.py b/pyoaev/apis/endpoint.py
index ead70a6..f9683cc 100644
--- a/pyoaev/apis/endpoint.py
+++ b/pyoaev/apis/endpoint.py
@@ -1,6 +1,7 @@
 from typing import Any, Dict
 
 from pyoaev import exceptions as exc
+from pyoaev.apis.inputs.search import SearchPaginationInput
 from pyoaev.base import RESTManager, RESTObject
 from pyoaev.utils import RequiredOptional
 
@@ -36,3 +37,11 @@ def upsert(self, endpoint: Dict[str, Any], **kwargs: Any) -> Dict[str, Any]:
         path = f"{self.path}/agentless/upsert"
         result = self.openaev.http_post(path, post_data=endpoint, **kwargs)
         return result
+
+    @exc.on_http_error(exc.OpenAEVUpdateError)
+    def searchTargets(
+        self, input: SearchPaginationInput, **kwargs: Any
+    ) -> Dict[str, Any]:
+        path = f"{self.path}/targets"
+        result = self.openaev.http_post(path, post_data=input.to_dict(), **kwargs)
+        return result
diff --git a/pyoaev/contracts/contract_config.py b/pyoaev/contracts/contract_config.py
index 60d6937..56de12f 100644
--- a/pyoaev/contracts/contract_config.py
+++ b/pyoaev/contracts/contract_config.py
@@ -32,6 +32,11 @@ class ContractFieldType(str, Enum):
     Payload: str = "payload"
 
 
+class ContractFieldKey(str, Enum):
+    Asset: str = "assets"
+    AssetGroup: str = "asset_groups"
+
+
 class ContractOutputType(str, Enum):
     Text: str = "text"
     Number: str = "number"
@@ -270,6 +275,7 @@ def get_type(self) -> str:
 
 @dataclass
 class ContractAsset(ContractCardinalityElement):
+    key: str = field(default=ContractFieldKey.Asset.value, init=False)
 
     @property
     def get_type(self) -> str:
@@ -278,6 +284,7 @@ def get_type(self) -> str:
 
 @dataclass
 class ContractAssetGroup(ContractCardinalityElement):
+    key: str = field(default=ContractFieldKey.AssetGroup.value, init=False)
 
     @property
     def get_type(self) -> str:
diff --git a/test/apis/endpoint/__init__.py b/test/apis/endpoint/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/test/apis/endpoint/test_endpoint.py b/test/apis/endpoint/test_endpoint.py
new file mode 100644
index 0000000..dcf081e
--- /dev/null
+++ b/test/apis/endpoint/test_endpoint.py
@@ -0,0 +1,57 @@
+from unittest import TestCase, main, mock
+from unittest.mock import ANY
+
+from pyoaev import OpenAEV
+from pyoaev.apis.inputs.search import Filter, FilterGroup, SearchPaginationInput
+
+
+def mock_response(**kwargs):
+    class MockResponse:
+        def __init__(self, json_data, status_code):
+            self.json_data = json_data
+            self.status_code = status_code
+            self.history = None
+            self.content = None
+            self.headers = {"Content-Type": "application/json"}
+
+        def json(self):
+            return self.json_data
+
+    return MockResponse(None, 200)
+
+
+class TestInjectorContract(TestCase):
+    @mock.patch("requests.Session.request", side_effect=mock_response)
+    def test_search_input_correctly_serialised(self, mock_request):
+        api_client = OpenAEV("url", "token")
+
+        search_input = SearchPaginationInput(
+            0,
+            20,
+            FilterGroup(
+                "or",
+                [Filter("targets", "and", "eq", ["target_1", "target_2", "target_3"])],
+            ),
+            None,
+            None,
+        )
+
+        expected_json = search_input.to_dict()
+        api_client.endpoint.searchTargets(search_input)
+
+        mock_request.assert_called_once_with(
+            method="post",
+            url="url/api/endpoints/targets",
+            params={},
+            data=None,
+            timeout=None,
+            stream=False,
+            verify=True,
+            json=expected_json,
+            headers=ANY,
+            auth=ANY,
+        )
+
+
+if __name__ == "__main__":
+    main()