diff --git a/src/pyrfc/_exception.pyi b/src/pyrfc/_exception.pyi
new file mode 100644
index 0000000..d7ec4d4
--- /dev/null
+++ b/src/pyrfc/_exception.pyi
@@ -0,0 +1,29 @@
+from typing import Any, Optional
+
+class RFCError(Exception): ...
+
+class RFCLibError(RFCError):
+    code2txt: Any = ...
+    message: Any = ...
+    code: Any = ...
+    key: Any = ...
+    msg_class: Any = ...
+    msg_type: Any = ...
+    msg_number: Any = ...
+    msg_v1: Any = ...
+    msg_v2: Any = ...
+    msg_v3: Any = ...
+    msg_v4: Any = ...
+    def __init__(self, message: Optional[Any] = ..., code: Optional[Any] = ..., key: Optional[Any] = ..., msg_class: Optional[Any] = ..., msg_type: Optional[Any] = ..., msg_number: Optional[Any] = ..., msg_v1: Optional[Any] = ..., msg_v2: Optional[Any] = ..., msg_v3: Optional[Any] = ..., msg_v4: Optional[Any] = ...) -> None: ...
+
+class ABAPApplicationError(RFCLibError): ...
+class ABAPRuntimeError(RFCLibError): ...
+
+class LogonError(RFCLibError):
+    def __init__(self, message: Optional[Any] = ..., code: int = ..., key: str = ..., msg_class: Optional[Any] = ..., msg_type: Optional[Any] = ..., msg_number: Optional[Any] = ..., msg_v1: Optional[Any] = ..., msg_v2: Optional[Any] = ..., msg_v3: Optional[Any] = ..., msg_v4: Optional[Any] = ...) -> None: ...
+
+class CommunicationError(RFCLibError): ...
+class ExternalRuntimeError(RFCLibError): ...
+class ExternalApplicationError(RFCLibError): ...
+class ExternalAuthorizationError(RFCLibError): ...
+class RFCTypeError(RFCLibError): ...
diff --git a/src/pyrfc/pyrfc.pyi b/src/pyrfc/pyrfc.pyi
new file mode 100644
index 0000000..3d22dc0
--- /dev/null
+++ b/src/pyrfc/pyrfc.pyi
@@ -0,0 +1,10 @@
+
+from typing import Any, Optional, Dict
+def get_nwrfclib_version(): tuple
+def set_ini_file_directory(path_name: str): None
+
+class Connection():
+    version: {major: int, minor: int, patchLevel: int}
+    def __init__(self, config: Optional[Dict] = {}, *params: Any) -> None: ...
+
+__VERSION__: str