diff --git a/src/aignostics/platform/resources/utils.py b/src/aignostics/platform/resources/utils.py
index 052a17a27..d8211ec2d 100644
--- a/src/aignostics/platform/resources/utils.py
+++ b/src/aignostics/platform/resources/utils.py
@@ -30,16 +30,24 @@ def paginate(func: Callable[..., list[T]], *args: object, page_size: int = PAGE_
         page_size (int): The number of items to request per page
         **kwargs: Keyword arguments to pass to the function.
 
+    Raises:
+        ValueError: If page_size is 0 or negative.
+
     Yields:
         Individual items from all pages.
 
     Example:
         >>> def list_items(page=1, page_size=20):
-        ...     # API call that returns a list of items for the given page
-        ...     return [f"item_{i}" for i in range(page_size)]
+        ...     offset = (page - 1) * page_size
+        ...     count = page_size if page == 1 else 5  # partial last page
+        ...     return [f"item_{offset + i}" for i in range(count)]
         >>> items = list(paginate(list_items))
         >>> print(len(items))
+        25
     """
+    if page_size <= 0:
+        message = f"page_size must be a positive integer, got {page_size}"
+        raise ValueError(message)
     page = 1
     while True:
         try:
diff --git a/tests/aignostics/platform/resources/resource_utils_test.py b/tests/aignostics/platform/resources/resource_utils_test.py
index b1d1d2657..ef602409f 100644
--- a/tests/aignostics/platform/resources/resource_utils_test.py
+++ b/tests/aignostics/platform/resources/resource_utils_test.py
@@ -94,6 +94,15 @@ def test_paginate_custom_page_size() -> None:
     mock_func.assert_called_once_with(page=1, page_size=custom_page_size)
 
 
+@pytest.mark.unit
+@pytest.mark.parametrize("page_size", [0, -1, -100])
+def test_paginate_raises_for_non_positive_page_size(page_size: int) -> None:
+    """Test that paginate raises ValueError when page_size is zero or negative."""
+    mock_func = Mock()
+    with pytest.raises(ValueError, match="page_size must be a positive integer"):
+        list(paginate(mock_func, page_size=page_size))
+
+
 @pytest.mark.unit
 def test_paginate_multiple_pages() -> None:
     """Test that paginate correctly iterates through multiple pages.