diff --git a/llama_stack/providers/remote/datasetio/nvidia/datasetio.py b/llama_stack/providers/remote/datasetio/nvidia/datasetio.py
index 5d3cf5c03..83efe3991 100644
--- a/llama_stack/providers/remote/datasetio/nvidia/datasetio.py
+++ b/llama_stack/providers/remote/datasetio/nvidia/datasetio.py
@@ -12,7 +12,6 @@ from llama_stack.apis.common.content_types import URL
 from llama_stack.apis.common.responses import PaginatedResponse
 from llama_stack.apis.common.type_system import ParamType
 from llama_stack.apis.datasets import Dataset
-from llama_stack.schema_utils import webmethod
 
 from .config import NvidiaDatasetIOConfig
 
@@ -54,14 +53,14 @@ class NvidiaDatasetIOAdapter:
         """Register a new dataset.
 
         Args:
-            dataset_def : The dataset definition.
-                dataset_id: The ID of the dataset.
-                source: The source of the dataset.
-                metadata: The metadata of the dataset.
-                    format: The format of the dataset.
-                    description: The description of the dataset.
+            dataset_def [Dataset]: The dataset definition.
+                dataset_id [str]: The ID of the dataset.
+                source [DataSource]: The source of the dataset.
+                metadata [Dict[str, Any]]: The metadata of the dataset.
+                    format [str]: The format of the dataset.
+                    description [str]: The description of the dataset.
         Returns:
-            None
+            Dataset
         """
         ## add warnings for unsupported params
         request_body = {
@@ -78,8 +77,8 @@ class NvidiaDatasetIOAdapter:
             "/v1/datasets",
             json=request_body,
         )
+        return dataset_def
 
-    @webmethod(route="/datasets/{dataset_id:path}", method="POST")
     async def update_dataset(
         self,
         dataset_id: str,
@@ -91,7 +90,6 @@ class NvidiaDatasetIOAdapter:
     ) -> None:
         raise NotImplementedError("Not implemented")
 
-    @webmethod(route="/datasets/{dataset_id:path}", method="DELETE")
     async def unregister_dataset(
         self,
         dataset_id: str,
diff --git a/tests/unit/providers/nvidia/test_datastore.py b/tests/unit/providers/nvidia/test_datastore.py
new file mode 100644
index 000000000..eb4180b5e
--- /dev/null
+++ b/tests/unit/providers/nvidia/test_datastore.py
@@ -0,0 +1,98 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+import os
+import unittest
+from unittest.mock import patch
+
+import pytest
+
+from llama_stack.apis.datasets import Dataset, DatasetPurpose, URIDataSource
+from llama_stack.providers.remote.datasetio.nvidia.config import NvidiaDatasetIOConfig
+from llama_stack.providers.remote.datasetio.nvidia.datasetio import NvidiaDatasetIOAdapter
+
+
+class TestNvidiaDatastore(unittest.TestCase):
+    def setUp(self):
+        os.environ["NVIDIA_DATASETS_URL"] = "http://nemo.test/datasets"
+
+        config = NvidiaDatasetIOConfig(
+            datasets_url=os.environ["NVIDIA_DATASETS_URL"], dataset_namespace="default", project_id="default"
+        )
+        self.adapter = NvidiaDatasetIOAdapter(config)
+        self.make_request_patcher = patch(
+            "llama_stack.providers.remote.datasetio.nvidia.datasetio.NvidiaDatasetIOAdapter._make_request"
+        )
+        self.mock_make_request = self.make_request_patcher.start()
+
+    def tearDown(self):
+        self.make_request_patcher.stop()
+
+    @pytest.fixture(autouse=True)
+    def inject_fixtures(self, run_async):
+        self.run_async = run_async
+
+    def _assert_request(self, mock_call, expected_method, expected_path, expected_json=None):
+        """Helper method to verify request details in mock calls."""
+        call_args = mock_call.call_args
+
+        assert call_args[0][0] == expected_method
+        assert call_args[0][1] == expected_path
+
+        if expected_json:
+            for key, value in expected_json.items():
+                assert call_args[1]["json"][key] == value
+
+    def test_register_dataset(self):
+        self.mock_make_request.return_value = {
+            "id": "dataset-123456",
+            "name": "test-dataset",
+            "namespace": "default",
+        }
+
+        dataset_def = Dataset(
+            identifier="test-dataset",
+            type="dataset",
+            provider_resource_id="",
+            provider_id="",
+            purpose=DatasetPurpose.post_training_messages,
+            source=URIDataSource(uri="https://example.com/data.jsonl"),
+            metadata={"format": "jsonl", "description": "Test dataset description"},
+        )
+
+        self.run_async(self.adapter.register_dataset(dataset_def))
+
+        self.mock_make_request.assert_called_once()
+        self._assert_request(
+            self.mock_make_request,
+            "POST",
+            "/v1/datasets",
+            expected_json={
+                "name": "test-dataset",
+                "namespace": "default",
+                "files_url": "https://example.com/data.jsonl",
+                "project": "default",
+                "format": "jsonl",
+                "description": "Test dataset description",
+            },
+        )
+
+    def test_unregister_dataset(self):
+        self.mock_make_request.return_value = {
+            "message": "Resource deleted successfully.",
+            "id": "dataset-81RSQp7FKX3rdBtKvF9Skn",
+            "deleted_at": None,
+        }
+        dataset_id = "test-dataset"
+
+        self.run_async(self.adapter.unregister_dataset(dataset_id))
+
+        self.mock_make_request.assert_called_once()
+        self._assert_request(self.mock_make_request, "DELETE", "/v1/datasets/default/test-dataset")
+
+
+if __name__ == "__main__":
+    unittest.main()