diff --git a/pyproject.toml b/pyproject.toml
index 992614663..5968c9a71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "uipath_sdk"
-version = "0.0.1"
+version = "0.0.2"
 description = "UiPath Client for the UiPath API"
 readme = "README.md"
 requires-python = ">=3.13"
diff --git a/src/uipath_sdk/_assets_service.py b/src/uipath_sdk/_assets_service.py
index 3565d5d4b..e009b9d86 100644
--- a/src/uipath_sdk/_assets_service.py
+++ b/src/uipath_sdk/_assets_service.py
@@ -35,11 +35,13 @@ def retrieve(
             UserAsset,
             self.client.post(
                 "/orchestrator_/odata/Assets/UiPath.Server.Configuration.OData.GetRobotAssetByNameForRobotKey",
-                data={
-                    "assetName": assetName,
-                    "robotKey": robotKey,
-                    "supportsCredentialsProxyDisconnected": True,
-                },
+                content=str(
+                    {
+                        "assetName": assetName,
+                        "robotKey": robotKey,
+                        "supportsCredentialsProxyDisconnected": True,
+                    }
+                ),
             ).json(),
         )
 
@@ -50,8 +52,10 @@ def update(
     ) -> None:
         self.client.post(
             "/orchestrator_/odata/Assets/UiPath.Server.Configuration.OData.SetRobotAssetByRobotKey",
-            data={
-                "robotKey": robotKey,
-                "robotAsset": robotAsset,
-            },
+            content=str(
+                {
+                    "robotKey": robotKey,
+                    "robotAsset": robotAsset,
+                }
+            ),
         )
diff --git a/src/uipath_sdk/_processes_service.py b/src/uipath_sdk/_processes_service.py
index 9e34e8d17..523572898 100644
--- a/src/uipath_sdk/_processes_service.py
+++ b/src/uipath_sdk/_processes_service.py
@@ -1,7 +1,11 @@
+from httpx import Response
+
 from ._base_service import BaseService
 
 
 class ProcessesService(BaseService):
-    # FIXME: endpoint?
-    def invoke_process(self) -> None:
-        pass
+    def invoke_process(self, release_key: str) -> Response:
+        return self.client.post(
+            "/orchestrator_/odata/Jobs/UiPath.Server.Configuration.OData.StartJobs",
+            content=str({"startInfo": {"ReleaseKey": release_key}}),
+        )
diff --git a/src/uipath_sdk/_uipath_client.py b/src/uipath_sdk/_uipath_client.py
index c52c74fbc..bae5aeed4 100644
--- a/src/uipath_sdk/_uipath_client.py
+++ b/src/uipath_sdk/_uipath_client.py
@@ -1,6 +1,7 @@
 from httpx import Client, Headers
 
 from ._assets_service import RobotAssetsService
+from ._processes_service import ProcessesService
 from ._uipath_client_config import UiPathClientConfig
 
 
@@ -28,6 +29,7 @@ def _init_http_client(self) -> None:
                 k: v
                 for k, v in {
                     "Authorization": f"Bearer {self.config.secret}",
+                    "Content-Type": "application/json",
                     "x-uipath-organizationunitid": self.config.folder_id,
                 }.items()
                 if v is not None
@@ -37,3 +39,4 @@ def _init_http_client(self) -> None:
 
     def _init_services(self) -> None:
         self.robot_assets = RobotAssetsService(self._http_client)
+        self.processes = ProcessesService(self._http_client)