diff --git a/pyproject.toml b/pyproject.toml
index 8ae2580c..9fb1f557 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "dapla-toolbelt-pseudo"
-version = "2.0.2"
+version = "2.0.3"
 description = "Pseudonymization extensions for Dapla"
 authors = ["Dapla Developers <dapla-platform-developers@ssb.no>"]
 license = "MIT"
diff --git a/src/dapla_pseudo/v1/baseclasses.py b/src/dapla_pseudo/v1/baseclasses.py
index c241de4d..bfb4c8f9 100644
--- a/src/dapla_pseudo/v1/baseclasses.py
+++ b/src/dapla_pseudo/v1/baseclasses.py
@@ -194,7 +194,6 @@ def _pseudonymize_file(
             path=f"{self._pseudo_operation.value}/file",
             request_spec=request_spec,
             data_spec=data_spec,
-            stream=True,
             timeout=timeout,
         )
         file_handle.close()
diff --git a/src/dapla_pseudo/v1/client.py b/src/dapla_pseudo/v1/client.py
index b54b2c81..bfa572b7 100644
--- a/src/dapla_pseudo/v1/client.py
+++ b/src/dapla_pseudo/v1/client.py
@@ -71,8 +71,8 @@ def _post_to_file_endpoint(
         path: str,
         request_spec: FileSpecDecl,
         data_spec: FileSpecDecl,
-        stream: bool,
         timeout: int,
+        stream: bool = True,
     ) -> requests.Response:
         """POST to a file endpoint in the Pseudo Service.
 
@@ -111,7 +111,7 @@ def _post_to_field_endpoint(
                 "Content-Type": Mimetypes.JSON.value,
                 "X-Correlation-Id": PseudoClient._generate_new_correlation_id(),
             },
-            json={"request": pseudo_field_request.model_dump_json(by_alias=True)},
+            json={"request": pseudo_field_request.model_dump(by_alias=True)},
             stream=stream,
             timeout=timeout,
         )
@@ -124,7 +124,7 @@ def _post_to_sid_endpoint(
         path: str,
         values: list[str],
         sid_snapshot_date: date | None = None,
-        stream: bool = False,
+        stream: bool = True,
     ) -> requests.Response:
         request: dict[str, t.Collection[str]] = {"fnrList": values}
         response = requests.post(
diff --git a/tests/v1/unit/test_client.py b/tests/v1/unit/test_client.py
index 44bab8cb..b19da61d 100644
--- a/tests/v1/unit/test_client.py
+++ b/tests/v1/unit/test_client.py
@@ -91,7 +91,7 @@ def test_post_to_field_endpoint_serialization(
         pseudo_field_request=pseudo_field_request,
         timeout=TIMEOUT_DEFAULT,
     )
-    expected_json = {"request": pseudo_field_request.model_dump_json(by_alias=True)}
+    expected_json = {"request": pseudo_field_request.model_dump(by_alias=True)}
 
     _mock_post.assert_called_once_with(
         url="https://mocked.dapla-pseudo-service/test_path",
@@ -130,6 +130,6 @@ def test_successful_post_to_sid_endpoint(
             "X-Correlation-Id": ANY,
         },
         json=expected_json,
-        stream=False,
+        stream=True,
         timeout=TIMEOUT_DEFAULT,
     )