diff --git a/src/openai/types/responses/response_function_web_search.py b/src/openai/types/responses/response_function_web_search.py
index de6001e146..de26acccb6 100644
--- a/src/openai/types/responses/response_function_web_search.py
+++ b/src/openai/types/responses/response_function_web_search.py
@@ -19,11 +19,14 @@
 class ActionSearchSource(BaseModel):
     """A source used in the search."""
 
-    type: Literal["url"]
-    """The type of source. Always `url`."""
+    type: Literal["url", "api"]
+    """The type of source. One of `url` or `api`."""
 
-    url: str
-    """The URL of the source."""
+    name: Optional[str] = None
+    """The source name, used for non-URL providers such as internal APIs."""
+
+    url: Optional[str] = None
+    """The URL of the source when the source type is `url`."""
 
 
 class ActionSearch(BaseModel):
diff --git a/src/openai/types/responses/response_function_web_search_param.py b/src/openai/types/responses/response_function_web_search_param.py
index 15e313b0d3..529ce0bd32 100644
--- a/src/openai/types/responses/response_function_web_search_param.py
+++ b/src/openai/types/responses/response_function_web_search_param.py
@@ -20,11 +20,14 @@
 class ActionSearchSource(TypedDict, total=False):
     """A source used in the search."""
 
-    type: Required[Literal["url"]]
-    """The type of source. Always `url`."""
+    type: Required[Literal["url", "api"]]
+    """The type of source. One of `url` or `api`."""
 
-    url: Required[str]
-    """The URL of the source."""
+    name: str
+    """The source name, used for non-URL providers such as internal APIs."""
+
+    url: str
+    """The URL of the source when the source type is `url`."""
 
 
 class ActionSearch(TypedDict, total=False):
diff --git a/tests/test_models.py b/tests/test_models.py
index 588869ee35..217fe09cb2 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -10,6 +10,7 @@
 from openai._utils import PropertyInfo
 from openai._compat import PYDANTIC_V1, parse_obj, model_dump, model_json
 from openai._models import DISCRIMINATOR_CACHE, BaseModel, construct_type
+from openai.types.responses.response_function_web_search import ActionSearchSource as ResponseActionSearchSource
 
 
 class BasicModel(BaseModel):
@@ -961,3 +962,11 @@ def __getattr__(self, attr: str) -> Item: ...
     assert model.a.prop == 1
     assert isinstance(model.a, Item)
     assert model.other == "foo"
+
+
+def test_response_function_web_search_source_allows_api_sources() -> None:
+    source = parse_obj(ResponseActionSearchSource, {"type": "api", "name": "oai-weather"})
+
+    assert source.type == "api"
+    assert source.name == "oai-weather"
+    assert source.url is None