diff --git a/pkgs/clan-cli/tests/test_db_api.py b/pkgs/clan-cli/tests/test_db_api.py
index 581ef7c..eb1f574 100644
--- a/pkgs/clan-cli/tests/test_db_api.py
+++ b/pkgs/clan-cli/tests/test_db_api.py
@@ -1,4 +1,5 @@
 import json
+from typing import Collection, Iterable, Mapping, Union
 
 from api import TestClient
 
@@ -6,7 +7,16 @@ default_entity_did_url = "entity_did=did%3Asov%3Atest%3A1234"
 default_entity_did = "did:sov:test:1234"
 
 
-def assert_extra_info(infos: list(), request_body: dict(), response: dict()) -> None:
+def assert_extra_info(
+    infos: list[str],
+    request_body: Union[
+        dict[str, object],
+        dict[str, Collection[str]],
+        Mapping[str, Union[str, Iterable[str]]],
+    ],
+    response: dict[str, str],
+) -> None:
+    # print(type())
     for info in infos:
         assert info in response.keys()
         # TODO maybe check the content of the extra info ...
@@ -15,12 +25,20 @@ def assert_extra_info(infos: list(), request_body: dict(), response: dict()) ->
 
 
 def make_test_post_and_get(
-    api: TestClient, request_body: dict(), paramter: str, get_request=default_entity_did_url: str, apiversion="v1": str
+    api: TestClient,
+    request_body: Union[
+        dict[str, object],
+        dict[str, Collection[str]],
+        Mapping[str, Union[str, Iterable[str]]],
+    ],
+    paramter: str,
+    get_request: str = default_entity_did_url,
+    apiversion: str = "v1",
 ) -> None:
     # test post
     response = api.post(
         f"/api/{apiversion}/create_{paramter}",
-        data=json.dumps(request_body),
+        data={"data": json.dumps(request_body)},
         headers={"Content-Type": "application/json"},
     )
     assert response.status_code == 200