diff --git a/.stats.yml b/.stats.yml
index c9a15c8a..85c391c8 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 103
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-e3aeba4569f0d304b27804cc2cdd9888f3f58628fe426e206ab49e164e5417bd.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-aeb94d91af916dbff0132ee7c4501df9223609b19fef0398a1a495e7a432ee36.yml
diff --git a/src/orb/resources/credit_notes.py b/src/orb/resources/credit_notes.py
index cba989c3..efac90c7 100644
--- a/src/orb/resources/credit_notes.py
+++ b/src/orb/resources/credit_notes.py
@@ -2,7 +2,8 @@
 
 from __future__ import annotations
 
-from typing import Iterable, Optional
+from typing import Union, Iterable, Optional
+from datetime import datetime
 from typing_extensions import Literal
 
 import httpx
@@ -101,6 +102,10 @@ def create(
     def list(
         self,
         *,
+        created_at_gt: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_gte: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_lt: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_lte: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
         cursor: Optional[str] | NotGiven = NOT_GIVEN,
         limit: int | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
@@ -140,6 +145,10 @@ def list(
                 timeout=timeout,
                 query=maybe_transform(
                     {
+                        "created_at_gt": created_at_gt,
+                        "created_at_gte": created_at_gte,
+                        "created_at_lt": created_at_lt,
+                        "created_at_lte": created_at_lte,
                         "cursor": cursor,
                         "limit": limit,
                     },
@@ -261,6 +270,10 @@ async def create(
     def list(
         self,
         *,
+        created_at_gt: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_gte: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_lt: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
+        created_at_lte: Union[str, datetime, None] | NotGiven = NOT_GIVEN,
         cursor: Optional[str] | NotGiven = NOT_GIVEN,
         limit: int | NotGiven = NOT_GIVEN,
         # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.
@@ -300,6 +313,10 @@ def list(
                 timeout=timeout,
                 query=maybe_transform(
                     {
+                        "created_at_gt": created_at_gt,
+                        "created_at_gte": created_at_gte,
+                        "created_at_lt": created_at_lt,
+                        "created_at_lte": created_at_lte,
                         "cursor": cursor,
                         "limit": limit,
                     },
diff --git a/src/orb/types/credit_note_list_params.py b/src/orb/types/credit_note_list_params.py
index fa1314af..eeeccfc8 100644
--- a/src/orb/types/credit_note_list_params.py
+++ b/src/orb/types/credit_note_list_params.py
@@ -2,13 +2,24 @@
 
 from __future__ import annotations
 
-from typing import Optional
-from typing_extensions import TypedDict
+from typing import Union, Optional
+from datetime import datetime
+from typing_extensions import Annotated, TypedDict
+
+from .._utils import PropertyInfo
 
 __all__ = ["CreditNoteListParams"]
 
 
 class CreditNoteListParams(TypedDict, total=False):
+    created_at_gt: Annotated[Union[str, datetime, None], PropertyInfo(alias="created_at[gt]", format="iso8601")]
+
+    created_at_gte: Annotated[Union[str, datetime, None], PropertyInfo(alias="created_at[gte]", format="iso8601")]
+
+    created_at_lt: Annotated[Union[str, datetime, None], PropertyInfo(alias="created_at[lt]", format="iso8601")]
+
+    created_at_lte: Annotated[Union[str, datetime, None], PropertyInfo(alias="created_at[lte]", format="iso8601")]
+
     cursor: Optional[str]
     """Cursor for pagination.
 
diff --git a/tests/api_resources/test_credit_notes.py b/tests/api_resources/test_credit_notes.py
index 08d07146..5d423210 100644
--- a/tests/api_resources/test_credit_notes.py
+++ b/tests/api_resources/test_credit_notes.py
@@ -9,6 +9,7 @@
 
 from orb import Orb, AsyncOrb
 from orb.types import CreditNote
+from orb._utils import parse_datetime
 from tests.utils import assert_matches_type
 from orb.pagination import SyncPage, AsyncPage
 
@@ -86,6 +87,10 @@ def test_method_list(self, client: Orb) -> None:
     @parametrize
     def test_method_list_with_all_params(self, client: Orb) -> None:
         credit_note = client.credit_notes.list(
+            created_at_gt=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_gte=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_lt=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_lte=parse_datetime("2019-12-27T18:11:19.117Z"),
             cursor="cursor",
             limit=1,
         )
@@ -221,6 +226,10 @@ async def test_method_list(self, async_client: AsyncOrb) -> None:
     @parametrize
     async def test_method_list_with_all_params(self, async_client: AsyncOrb) -> None:
         credit_note = await async_client.credit_notes.list(
+            created_at_gt=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_gte=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_lt=parse_datetime("2019-12-27T18:11:19.117Z"),
+            created_at_lte=parse_datetime("2019-12-27T18:11:19.117Z"),
             cursor="cursor",
             limit=1,
         )