diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1b5ce7ba..c89dbbbd7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Fixed
 - Updated code generator to use native OpenAPI specification ([#721](https://github.com/opensearch-project/opensearch-py/pull/721))
 ### Updated APIs
+- Updated opensearch-py APIs to reflect [opensearch-api-specification@3ed6aaf](https://github.com/opensearch-project/opensearch-api-specification/commit/3ed6aaff0ce51af3aad00fe57c34d1a7056bd6d1)
 - Updated opensearch-py APIs to reflect [opensearch-api-specification@af4a34f](https://github.com/opensearch-project/opensearch-api-specification/commit/af4a34f9847d36709b5a394be7c76fda4649ccc8)
 - Updated opensearch-py APIs to reflect [opensearch-api-specification@e02c076](https://github.com/opensearch-project/opensearch-api-specification/commit/e02c076ef63f7a9b650ca1416380120cc640620a)
 - Updated opensearch-py APIs to reflect [opensearch-api-specification@fe6f977](https://github.com/opensearch-project/opensearch-api-specification/commit/fe6f977bcae4e27a2b261fb9599884df5606c0bc)
diff --git a/opensearchpy/_async/plugins/notifications.py b/opensearchpy/_async/plugins/notifications.py
index 9c66c64e6..0a7e38a1d 100644
--- a/opensearchpy/_async/plugins/notifications.py
+++ b/opensearchpy/_async/plugins/notifications.py
@@ -324,3 +324,28 @@ async def update_config(
             headers=headers,
             body=body,
         )
+
+    @query_params("error_trace", "filter_path", "human", "pretty", "source")
+    async def list_channels(
+        self,
+        params: Any = None,
+        headers: Any = None,
+    ) -> Any:
+        """
+        List created notification channels.
+
+
+        :arg error_trace: Whether to include the stack trace of returned
+            errors.
+        :arg filter_path: Comma-separated list of filters used to reduce
+            the response.
+        :arg human: Whether to return human readable values for
+            statistics.
+        :arg pretty: Whether to pretty format the returned JSON
+            response.
+        :arg source: The URL-encoded request definition. Useful for
+            libraries that do not accept a request body for non-POST requests.
+        """
+        return await self.transport.perform_request(
+            "GET", "/_plugins/_notifications/channels", params=params, headers=headers
+        )
diff --git a/opensearchpy/plugins/notifications.py b/opensearchpy/plugins/notifications.py
index 88e6270f4..ed1e4f1a8 100644
--- a/opensearchpy/plugins/notifications.py
+++ b/opensearchpy/plugins/notifications.py
@@ -324,3 +324,28 @@ def update_config(
             headers=headers,
             body=body,
         )
+
+    @query_params("error_trace", "filter_path", "human", "pretty", "source")
+    def list_channels(
+        self,
+        params: Any = None,
+        headers: Any = None,
+    ) -> Any:
+        """
+        List created notification channels.
+
+
+        :arg error_trace: Whether to include the stack trace of returned
+            errors.
+        :arg filter_path: Comma-separated list of filters used to reduce
+            the response.
+        :arg human: Whether to return human readable values for
+            statistics.
+        :arg pretty: Whether to pretty format the returned JSON
+            response.
+        :arg source: The URL-encoded request definition. Useful for
+            libraries that do not accept a request body for non-POST requests.
+        """
+        return self.transport.perform_request(
+            "GET", "/_plugins/_notifications/channels", params=params, headers=headers
+        )