diff --git a/Uses-Cases/Attachments/add/appendAttachments.py b/Uses-Cases/Attachments/add/appendAttachments.py
index 388462dd..765f412a 100644
--- a/Uses-Cases/Attachments/add/appendAttachments.py
+++ b/Uses-Cases/Attachments/add/appendAttachments.py
@@ -36,24 +36,15 @@ def _init_api(self, credentials_file: Path):
         except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
             logging.error(f"init_api(): Failed to load credentials: {e}")
 
-    def _ensure_api_initialized(self):
-        """Check if the API is initialized before making API calls."""
-        if not self.pdf_api:
-            logging.error("ensure_api_initialized(): PDF API is not initialized. Operation aborted.")
-            return False
-        return True
-
     def upload_file(self, fileName: str):
         """ Upload a local fileName to the Aspose Cloud server. """
-        if not self._ensure_api_initialized():
-            return
-
-        file_path = Config.LOCAL_FOLDER / fileName
-        try:
-            self.pdf_api.upload_file(fileName, str(file_path))
-            logging.info(f"upload_file(): File '{fileName}' uploaded successfully.")
-        except Exception as e:
-            logging.error(f"upload_document(): Failed to upload file: {e}")
+        if self.pdf_api:
+            file_path = Config.LOCAL_FOLDER / fileName
+            try:
+                self.pdf_api.upload_file(fileName, str(file_path))
+                logging.info(f"upload_file(): File '{fileName}' uploaded successfully.")
+            except Exception as e:
+                logging.error(f"upload_document(): Failed to upload file: {e}")
 
     def upload_document(self):
         """ Upload a PDF document to the Aspose Cloud server. """
@@ -61,37 +52,33 @@ def upload_document(self):
 
     def download_result(self):
         """ Download the processed PDF document from the Aspose Cloud server. """
-        if not self._ensure_api_initialized():
-            return
-
-        try:
-            file_path = self.pdf_api.download_file(Config.PDF_DOCUMENT_NAME)
-            local_path = Config.LOCAL_FOLDER / Config.LOCAL_RESULT_DOCUMENT_NAME
-            shutil.move(file_path, str(local_path))
-            logging.info(f"download_result(): File successfully downloaded: {local_path}")
-        except Exception as e:
-            logging.error(f"download_result(): Failed to download file: {e}")
+        if self.pdf_api:
+            try:
+                temp_file = self.pdf_api.download_file(Config.PDF_DOCUMENT_NAME)
+                local_path = Config.LOCAL_FOLDER / Config.LOCAL_RESULT_DOCUMENT_NAME
+                shutil.move(temp_file, str(local_path))
+                logging.info(f"download_result(): File successfully downloaded: {local_path}")
+            except Exception as e:
+                logging.error(f"download_result(): Failed to download file: {e}")
 
     def append_attachmnet(self):
         """Append a new attachment to the PDF document."""
-        if not self._ensure_api_initialized():
-            return
-
-        new_attachment = AttachmentInfo(
-            path = Config.NEW_ATTACHMENT_FILE,
-            description = 'This is a sample attachment',
-            mime_type = Config.NEW_ATTACHMENT_MIME,
-            name = Config.NEW_ATTACHMENT_FILE
-        )
-
-        try:
-            response = self.pdf_api.post_add_document_attachment(Config.PDF_DOCUMENT_NAME, new_attachment)
-            if response.code == 200:
-                logging.info(f"append_attachment(): attachment '{Config.NEW_ATTACHMENT_FILE}' added to the document '{Config.PDF_DOCUMENT_NAME}'.")
-            else:
-                logging.error(f"append_attachment(): Failed to add attachment to the document. Response code: {response.code}")
-        except Exception as e:
-            logging.error(f"append_attachment(): Error while adding attachment: {e}")
+        if self.pdf_api:
+            new_attachment = AttachmentInfo(
+                path = Config.NEW_ATTACHMENT_FILE,
+                description = 'This is a sample attachment',
+                mime_type = Config.NEW_ATTACHMENT_MIME,
+                name = Config.NEW_ATTACHMENT_FILE
+            )
+
+            try:
+                response = self.pdf_api.post_add_document_attachment(Config.PDF_DOCUMENT_NAME, new_attachment)
+                if response.code == 200:
+                    logging.info(f"append_attachment(): attachment '{Config.NEW_ATTACHMENT_FILE}' added to the document '{Config.PDF_DOCUMENT_NAME}'.")
+                else:
+                    logging.error(f"append_attachment(): Failed to add attachment to the document. Response code: {response.code}")
+            except Exception as e:
+                logging.error(f"append_attachment(): Error while adding attachment: {e}")
 
 
 if __name__ == "__main__":
@@ -99,4 +86,4 @@ def append_attachmnet(self):
     pdf_attachments.upload_document()
     pdf_attachments.upload_file(Config.NEW_ATTACHMENT_FILE)
     pdf_attachments.append_attachmnet()
-    pdf_attachments.download_result()
\ No newline at end of file
+    pdf_attachments.download_result()
diff --git a/Uses-Cases/Attachments/get/getAttachmentAndSave.py b/Uses-Cases/Attachments/get/getAttachmentAndSave.py
index f9a29d6b..864d132b 100644
--- a/Uses-Cases/Attachments/get/getAttachmentAndSave.py
+++ b/Uses-Cases/Attachments/get/getAttachmentAndSave.py
@@ -7,7 +7,6 @@
 # Configure logging
 logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
 
-
 class Config:
     """Configuration parameters."""
     CREDENTIALS_FILE = Path(r"C:\\Projects\\ASPOSE\\Pdf.Cloud\\Credentials\\credentials.json")
@@ -33,61 +32,48 @@ def _init_api(self, credentials_file: Path):
         except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
             logging.error(f"init_api(): Failed to load credentials: {e}")
 
-    def _ensure_api_initialized(self):
-        """Check if the API is initialized before making API calls."""
-        if not self.pdf_api:
-            logging.error("ensure_api_initialized(): PDF API is not initialized. Operation aborted.")
-            return False
-        return True
-
     def upload_document(self):
         """Upload a PDF document to the Aspose Cloud server."""
-        if not self._ensure_api_initialized():
-            return
-
-        file_path = Config.LOCAL_FOLDER / Config.PDF_DOCUMENT_NAME
-        try:
-            self.pdf_api.upload_file(Config.PDF_DOCUMENT_NAME, str(file_path))
-            logging.info(f"upload_document(): File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
-        except Exception as e:
-            logging.error(f"upload_document(): Failed to upload file: {e}")
+        if self.pdf_api:
+            file_path = Config.LOCAL_FOLDER / Config.PDF_DOCUMENT_NAME
+            try:
+                self.pdf_api.upload_file(Config.PDF_DOCUMENT_NAME, str(file_path))
+                logging.info(f"upload_document(): File {Config.PDF_DOCUMENT_NAME} uploaded successfully.")
+            except Exception as e:
+                logging.error(f"upload_document(): Failed to upload file: {e}")
 
     def get_attachments(self):
         """Get attachments for the PDF document."""
-        if not self._ensure_api_initialized():
-            return
-
-        try:
-            response : AttachmentsResponse = self.pdf_api.get_document_attachments(Config.PDF_DOCUMENT_NAME)
-            if response.code == 200:
-                logging.info(f"get_attachmnets(): attachments '{response.attachments}' for the document '{Config.PDF_DOCUMENT_NAME}'.")
-                Config.ATTACHMENT_PATH = response.attachments.list[0].links[0].href;
-            else:
-                logging.error(f"get_attachmnets(): Failed to get attachments to the document. Response code: {response.code}")
-        except Exception as e:
-            logging.error(f"get_attachmnets(): Error while adding attachment: {e}")
+        if self.pdf_api:
+            try:
+                response : AttachmentsResponse = self.pdf_api.get_document_attachments(Config.PDF_DOCUMENT_NAME)
+                if response.code == 200:
+                    logging.info(f"get_attachmnets(): attachments '{response.attachments}' for the document '{Config.PDF_DOCUMENT_NAME}'.")
+                    Config.ATTACHMENT_PATH = response.attachments.list[0].links[0].href
+                else:
+                    logging.error(f"get_attachmnets(): Failed to get attachments to the document. Response code: {response.code}")
+            except Exception as e:
+                logging.error(f"get_attachmnets(): Error while adding attachment: {e}")
 
     def get_attachment_by_id(self):
         """Get attachment by Id for the PDF document and save it to local file."""
-        if not self._ensure_api_initialized():
-            return
-
-        try:
-            response : AttachmentResponse = self.pdf_api.get_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
-            if response.code == 200:
-                attachment: Attachment = response.attachment
-                file_path = self.pdf_api.get_download_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
-                local_path = Config.LOCAL_FOLDER / attachment.name
-                shutil.copy(file_path, local_path)
-                logging.info(f"get_attachmnets(): attachments '{file_path}' for the document '{Config.PDF_DOCUMENT_NAME}' successfuly saved.")
-            else:
-                logging.error(f"get_attachmnets(): Failed to get attachments to the document. Response code: {response.code}")
-        except Exception as e:
-            logging.error(f"get_attachmnets(): Error while get attachment: {e}")
+        if self.pdf_api:
+            try:
+                response : AttachmentResponse = self.pdf_api.get_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
+                if response.code == 200:
+                    attachment: Attachment = response.attachment
+                    temp_file = self.pdf_api.get_download_document_attachment_by_index(Config.PDF_DOCUMENT_NAME, Config.ATTACHMENT_PATH)
+                    local_path = Config.LOCAL_FOLDER / attachment.name
+                    shutil.copy(temp_file, local_path)
+                    logging.info(f"get_attachment_by_id(): attachment '{local_path}' for the document '{Config.PDF_DOCUMENT_NAME}' successfuly saved.")
+                else:
+                    logging.error(f"get_attachment_by_id(): Failed to get attachment for the document '{Config.PDF_DOCUMENT_NAME}'. Response code: {response.code}")
+            except Exception as e:
+                logging.error(f"get_attachment_by_id(): Error while get attachment: {e}")
 
 
 if __name__ == "__main__":
     pdf_attachments = PdfAttachments()
     pdf_attachments.upload_document()
     pdf_attachments.get_attachments()
-    pdf_attachments.get_attachment_by_id()
+    pdf_attachments.get_attachment_by_id()
\ No newline at end of file