diff --git a/google_sheets/app.py b/google_sheets/app.py
index af1d917..c5b407c 100644
--- a/google_sheets/app.py
+++ b/google_sheets/app.py
@@ -13,6 +13,7 @@
 from .google_api import (
     build_service,
     create_sheet_f,
+    get_all_sheet_titles_f,
     get_files_f,
     get_google_oauth_url,
     get_sheet_f,
@@ -238,3 +239,29 @@ async def get_all_file_names(
     # create dict where key is id and value is name
     files_dict = {file["id"]: file["name"] for file in files}
     return files_dict
+
+
+@app.get(
+    "/get-all-sheet-titles",
+    description="Get all sheet titles within a Google Spreadsheet",
+)
+async def get_all_sheet_titles(
+    user_id: Annotated[
+        int, Query(description="The user ID for which the data is requested")
+    ],
+    spreadsheet_id: Annotated[
+        str, Query(description="ID of the Google Sheet to fetch data from")
+    ],
+) -> List[str]:
+    service = await build_service(user_id=user_id, service_name="sheets", version="v4")
+    try:
+        sheets = await get_all_sheet_titles_f(
+            service=service, spreadsheet_id=spreadsheet_id
+        )
+    except HttpError as e:
+        raise HTTPException(status_code=e.status_code, detail=e._get_reason()) from e
+    except Exception as e:
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e)
+        ) from e
+    return sheets
diff --git a/google_sheets/google_api/__init__.py b/google_sheets/google_api/__init__.py
index 9e56cb6..228ee50 100644
--- a/google_sheets/google_api/__init__.py
+++ b/google_sheets/google_api/__init__.py
@@ -6,6 +6,7 @@
 from .service import (
     build_service,
     create_sheet_f,
+    get_all_sheet_titles_f,
     get_files_f,
     get_sheet_f,
     update_sheet_f,
@@ -14,6 +15,7 @@
 __all__ = [
     "build_service",
     "create_sheet_f",
+    "get_all_sheet_titles_f",
     "get_files_f",
     "get_google_oauth_url",
     "get_sheet_f",
diff --git a/google_sheets/google_api/service.py b/google_sheets/google_api/service.py
index f06f8e2..35ccc5e 100644
--- a/google_sheets/google_api/service.py
+++ b/google_sheets/google_api/service.py
@@ -13,6 +13,7 @@
 __all__ = [
     "build_service",
     "create_sheet_f",
+    "get_all_sheet_titles_f",
     "get_files_f",
     "get_sheet_f",
     "update_sheet_f",
@@ -112,3 +113,10 @@ def create_sheet_f(service: Any, spreadsheet_id: str, title: str) -> None:
         spreadsheetId=spreadsheet_id, body=body
     )
     request.execute()
+
+
+@asyncify  # type: ignore[misc]
+def get_all_sheet_titles_f(service: Any, spreadsheet_id: str) -> List[str]:
+    sheet_metadata = service.spreadsheets().get(spreadsheetId=spreadsheet_id).execute()
+    sheets = sheet_metadata.get("sheets", "")
+    return [sheet["properties"]["title"] for sheet in sheets]
diff --git a/tests/app/test_app.py b/tests/app/test_app.py
index 983ab14..268e2ea 100644
--- a/tests/app/test_app.py
+++ b/tests/app/test_app.py
@@ -80,6 +80,28 @@ def test_create_sheet(
             assert response.status_code == expected_status_code
 
 
+class TestGetAllSheetTitles:
+    def test_get_all_sheet_titles(self) -> None:
+        with (
+            patch(
+                "google_sheets.google_api.service._load_user_credentials",
+                return_value={"refresh_token": "abcdf"},
+            ) as mock_load_user_credentials,
+            patch(
+                "google_sheets.app.get_all_sheet_titles_f",
+                return_value=["Sheet1", "Sheet2"],
+            ) as mock_get_all_sheet_titles,
+        ):
+            expected = ["Sheet1", "Sheet2"]
+            response = client.get(
+                "/get-all-sheet-titles?user_id=123&spreadsheet_id=abc"
+            )
+            mock_load_user_credentials.assert_called_once()
+            mock_get_all_sheet_titles.assert_called_once()
+            assert response.status_code == 200
+            assert response.json() == expected
+
+
 class TestUpdateSheet:
     @pytest.mark.parametrize(
         ("side_effect", "expected_status_code"),