diff --git a/langfuse/api/reference.md b/langfuse/api/reference.md
index 199c9421b..8291edf16 100644
--- a/langfuse/api/reference.md
+++ b/langfuse/api/reference.md
@@ -2963,7 +2963,9 @@ client.media.get_upload_url(
 <dl>
 <dd>
 
-Get metrics from the Langfuse project using a query object
+Get metrics from the Langfuse project using a query object.
+
+For more details, see the [Metrics API documentation](https://langfuse.com/docs/metrics/features/metrics-api).
 </dd>
 </dl>
 </dd>
@@ -4812,6 +4814,22 @@ client.projects.create_api_key(
 <dl>
 <dd>
 
+**public_key:** `typing.Optional[str]` — Optional predefined public key. Must start with 'pk-lf-'. If provided, secretKey must also be provided.
+    
+</dd>
+</dl>
+
+<dl>
+<dd>
+
+**secret_key:** `typing.Optional[str]` — Optional predefined secret key. Must start with 'sk-lf-'. If provided, publicKey must also be provided.
+    
+</dd>
+</dl>
+
+<dl>
+<dd>
+
 **request_options:** `typing.Optional[RequestOptions]` — Request-specific configuration.
     
 </dd>
diff --git a/langfuse/api/resources/metrics/client.py b/langfuse/api/resources/metrics/client.py
index f46dc75f2..471f5182e 100644
--- a/langfuse/api/resources/metrics/client.py
+++ b/langfuse/api/resources/metrics/client.py
@@ -23,7 +23,9 @@ def metrics(
         self, *, query: str, request_options: typing.Optional[RequestOptions] = None
     ) -> MetricsResponse:
         """
-        Get metrics from the Langfuse project using a query object
+        Get metrics from the Langfuse project using a query object.
+
+        For more details, see the [Metrics API documentation](https://langfuse.com/docs/metrics/features/metrics-api).
 
         Parameters
         ----------
@@ -134,7 +136,9 @@ async def metrics(
         self, *, query: str, request_options: typing.Optional[RequestOptions] = None
     ) -> MetricsResponse:
         """
-        Get metrics from the Langfuse project using a query object
+        Get metrics from the Langfuse project using a query object.
+
+        For more details, see the [Metrics API documentation](https://langfuse.com/docs/metrics/features/metrics-api).
 
         Parameters
         ----------
diff --git a/langfuse/api/resources/projects/client.py b/langfuse/api/resources/projects/client.py
index 2c63e3186..9af7cfdfa 100644
--- a/langfuse/api/resources/projects/client.py
+++ b/langfuse/api/resources/projects/client.py
@@ -387,6 +387,8 @@ def create_api_key(
         project_id: str,
         *,
         note: typing.Optional[str] = OMIT,
+        public_key: typing.Optional[str] = OMIT,
+        secret_key: typing.Optional[str] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
     ) -> ApiKeyResponse:
         """
@@ -399,6 +401,12 @@ def create_api_key(
         note : typing.Optional[str]
             Optional note for the API key
 
+        public_key : typing.Optional[str]
+            Optional predefined public key. Must start with 'pk-lf-'. If provided, secretKey must also be provided.
+
+        secret_key : typing.Optional[str]
+            Optional predefined secret key. Must start with 'sk-lf-'. If provided, publicKey must also be provided.
+
         request_options : typing.Optional[RequestOptions]
             Request-specific configuration.
 
@@ -425,7 +433,7 @@ def create_api_key(
         _response = self._client_wrapper.httpx_client.request(
             f"api/public/projects/{jsonable_encoder(project_id)}/apiKeys",
             method="POST",
-            json={"note": note},
+            json={"note": note, "publicKey": public_key, "secretKey": secret_key},
             request_options=request_options,
             omit=OMIT,
         )
@@ -932,6 +940,8 @@ async def create_api_key(
         project_id: str,
         *,
         note: typing.Optional[str] = OMIT,
+        public_key: typing.Optional[str] = OMIT,
+        secret_key: typing.Optional[str] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
     ) -> ApiKeyResponse:
         """
@@ -944,6 +954,12 @@ async def create_api_key(
         note : typing.Optional[str]
             Optional note for the API key
 
+        public_key : typing.Optional[str]
+            Optional predefined public key. Must start with 'pk-lf-'. If provided, secretKey must also be provided.
+
+        secret_key : typing.Optional[str]
+            Optional predefined secret key. Must start with 'sk-lf-'. If provided, publicKey must also be provided.
+
         request_options : typing.Optional[RequestOptions]
             Request-specific configuration.
 
@@ -978,7 +994,7 @@ async def main() -> None:
         _response = await self._client_wrapper.httpx_client.request(
             f"api/public/projects/{jsonable_encoder(project_id)}/apiKeys",
             method="POST",
-            json={"note": note},
+            json={"note": note, "publicKey": public_key, "secretKey": secret_key},
             request_options=request_options,
             omit=OMIT,
         )