diff --git a/python_modules/libraries/dagster-powerbi/dagster_powerbi/resource.py b/python_modules/libraries/dagster-powerbi/dagster_powerbi/resource.py
index 6255a9db1f173..96bd91c0748e2 100644
--- a/python_modules/libraries/dagster-powerbi/dagster_powerbi/resource.py
+++ b/python_modules/libraries/dagster-powerbi/dagster_powerbi/resource.py
@@ -3,10 +3,11 @@
 import time
 from dataclasses import dataclass
 from functools import cached_property
-from typing import Any, Dict, Optional, Type, cast
+from typing import Any, Dict, Mapping, Optional, Type, cast
 
 import requests
 from dagster import ConfigurableResource, Definitions, external_assets_from_specs, multi_asset
+from dagster._annotations import public
 from dagster._config.pythonic_config.resource import ResourceDependency
 from dagster._core.definitions.definitions_load_context import StateBackedDefinitionsLoader
 from dagster._core.definitions.events import Failure
@@ -98,10 +99,10 @@ class PowerBIWorkspace(ConfigurableResource):
     )
 
     @cached_property
-    def api_token(self) -> str:
+    def _api_token(self) -> str:
         return self.credentials.api_token
 
-    def fetch(
+    def _fetch(
         self,
         endpoint: str,
         method: str = "GET",
@@ -118,7 +119,7 @@ def fetch(
         """
         headers = {
             "Content-Type": "application/json",
-            "Authorization": f"Bearer {self.api_token}",
+            "Authorization": f"Bearer {self._api_token}",
         }
         base_url = f"{BASE_API_URL}/groups/{self.workspace_id}" if group_scoped else BASE_API_URL
         response = requests.request(
@@ -131,18 +132,19 @@ def fetch(
         response.raise_for_status()
         return response
 
-    def fetch_json(
+    def _fetch_json(
         self,
         endpoint: str,
         method: str = "GET",
         json: Any = None,
         group_scoped: bool = True,
     ) -> Dict[str, Any]:
-        return self.fetch(endpoint, method, json, group_scoped=group_scoped).json()
+        return self._fetch(endpoint, method, json, group_scoped=group_scoped).json()
 
+    @public
     def trigger_refresh(self, dataset_id: str) -> None:
         """Triggers a refresh of a PowerBI dataset."""
-        response = self.fetch(
+        response = self._fetch(
             method="POST",
             endpoint=f"datasets/{dataset_id}/refreshes",
             json={"notifyOption": "NoNotification"},
@@ -151,6 +153,7 @@ def trigger_refresh(self, dataset_id: str) -> None:
         if response.status_code != 202:
             raise Failure(f"Refresh failed to start: {response.content}")
 
+    @public
     def poll_refresh(self, dataset_id: str) -> None:
         """Polls the refresh status of a PowerBI dataset until it completes or fails."""
         status = None
@@ -160,7 +163,7 @@ def poll_refresh(self, dataset_id: str) -> None:
             if time.monotonic() - start > self.refresh_timeout:
                 raise Failure(f"Refresh timed out after {self.refresh_timeout} seconds.")
 
-            last_refresh = self.fetch_json(
+            last_refresh = self._fetch_json(
                 f"datasets/{dataset_id}/refreshes",
                 group_scoped=False,
             )["value"][0]
@@ -173,50 +176,42 @@ def poll_refresh(self, dataset_id: str) -> None:
             raise Failure(f"Refresh failed: {error}")
 
     @cached_method
-    def get_reports(self) -> Dict[str, Any]:
+    def _get_reports(self) -> Mapping[str, Any]:
         """Fetches a list of all PowerBI reports in the workspace."""
-        return self.fetch_json("reports")
+        return self._fetch_json("reports")
 
     @cached_method
-    def get_semantic_models(self) -> Dict[str, Any]:
+    def _get_semantic_models(self) -> Mapping[str, Any]:
         """Fetches a list of all PowerBI semantic models in the workspace."""
-        return self.fetch_json("datasets")
+        return self._fetch_json("datasets")
 
     @cached_method
-    def get_semantic_model_sources(
-        self,
-        dataset_id: str,
-    ) -> Dict[str, Any]:
+    def _get_semantic_model_sources(self, dataset_id: str) -> Mapping[str, Any]:
         """Fetches a list of all data sources for a given semantic model."""
-        return self.fetch_json(f"datasets/{dataset_id}/datasources")
+        return self._fetch_json(f"datasets/{dataset_id}/datasources")
 
     @cached_method
-    def get_dashboards(self) -> Dict[str, Any]:
+    def _get_dashboards(self) -> Mapping[str, Any]:
         """Fetches a list of all PowerBI dashboards in the workspace."""
-        return self.fetch_json("dashboards")
+        return self._fetch_json("dashboards")
 
     @cached_method
-    def get_dashboard_tiles(
-        self,
-        dashboard_id: str,
-    ) -> Dict[str, Any]:
+    def _get_dashboard_tiles(self, dashboard_id: str) -> Mapping[str, Any]:
         """Fetches a list of all tiles for a given PowerBI dashboard,
         including which reports back each tile.
         """
-        return self.fetch_json(f"dashboards/{dashboard_id}/tiles")
+        return self._fetch_json(f"dashboards/{dashboard_id}/tiles")
 
-    def fetch_powerbi_workspace_data(
-        self,
-    ) -> PowerBIWorkspaceData:
+    def _fetch_powerbi_workspace_data(self) -> PowerBIWorkspaceData:
         """Retrieves all Power BI content from the workspace and returns it as a PowerBIWorkspaceData object.
         Future work will cache this data to avoid repeated calls to the Power BI API.
 
         Returns:
             PowerBIWorkspaceData: A snapshot of the Power BI workspace's content.
         """
-        dashboard_data = self.get_dashboards()["value"]
+        dashboard_data = self._get_dashboards()["value"]
         augmented_dashboard_data = [
-            {**dashboard, "tiles": self.get_dashboard_tiles(dashboard["id"])["value"]}
+            {**dashboard, "tiles": self._get_dashboard_tiles(dashboard["id"])["value"]}
             for dashboard in dashboard_data
         ]
         dashboards = [
@@ -226,12 +221,12 @@ def fetch_powerbi_workspace_data(
 
         reports = [
             PowerBIContentData(content_type=PowerBIContentType.REPORT, properties=data)
-            for data in self.get_reports()["value"]
+            for data in self._get_reports()["value"]
         ]
-        semantic_models_data = self.get_semantic_models()["value"]
+        semantic_models_data = self._get_semantic_models()["value"]
         data_sources_by_id = {}
         for dataset in semantic_models_data:
-            dataset_sources = self.get_semantic_model_sources(dataset["id"])["value"]
+            dataset_sources = self._get_semantic_model_sources(dataset["id"])["value"]
             dataset["sources"] = [source["datasourceId"] for source in dataset_sources]
             for data_source in dataset_sources:
                 data_sources_by_id[data_source["datasourceId"]] = PowerBIContentData(
@@ -246,6 +241,7 @@ def fetch_powerbi_workspace_data(
             dashboards + reports + semantic_models + list(data_sources_by_id.values()),
         )
 
+    @public
     def build_defs(
         self,
         dagster_powerbi_translator: Type[DagsterPowerBITranslator] = DagsterPowerBITranslator,
@@ -284,7 +280,7 @@ def defs_key(self) -> str:
 
     def fetch_state(self) -> PowerBIWorkspaceData:
         with self.workspace.process_config_and_initialize_cm() as initialized_workspace:
-            return initialized_workspace.fetch_powerbi_workspace_data()
+            return initialized_workspace._fetch_powerbi_workspace_data()  # noqa: SLF001
 
     def defs_from_state(self, state: PowerBIWorkspaceData) -> Definitions:
         translator = self.translator_cls(context=state)
diff --git a/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_asset_specs.py b/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_asset_specs.py
index 293e2c0b1a9c4..24208379bccd8 100644
--- a/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_asset_specs.py
+++ b/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_asset_specs.py
@@ -27,7 +27,7 @@ def test_fetch_powerbi_workspace_data(workspace_data_api_mocks: None, workspace_
         workspace_id=workspace_id,
     )
 
-    actual_workspace_data = resource.fetch_powerbi_workspace_data()
+    actual_workspace_data = resource._fetch_powerbi_workspace_data()  # noqa: SLF001
     assert len(actual_workspace_data.dashboards_by_id) == 1
     assert len(actual_workspace_data.reports_by_id) == 1
     assert len(actual_workspace_data.semantic_models_by_id) == 1
diff --git a/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_resource.py b/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_resource.py
index aa01fec8850a7..181a29705772d 100644
--- a/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_resource.py
+++ b/python_modules/libraries/dagster-powerbi/dagster_powerbi_tests/test_resource.py
@@ -26,7 +26,7 @@ def test_basic_resource_request() -> None:
         status=200,
     )
 
-    resource.get_reports()
+    resource._get_reports()  # noqa: SLF001
 
     assert len(responses.calls) == 1
     assert responses.calls[0].request.headers["Authorization"] == f"Bearer {fake_token}"
@@ -63,7 +63,7 @@ def test_service_principal_auth() -> None:
         status=200,
     )
 
-    resource.get_reports()
+    resource._get_reports()  # noqa: SLF001
 
     assert len(responses.calls) == 2
     assert fake_client_id in responses.calls[0].request.body