diff --git a/client/src/api/schema/schema.ts b/client/src/api/schema/schema.ts
index 8786ebbb1e4e..fa83e184e896 100644
--- a/client/src/api/schema/schema.ts
+++ b/client/src/api/schema/schema.ts
@@ -5394,40 +5394,6 @@ export interface components {
             /** Tags */
             tags?: string[] | null;
         };
-        /** GenericNotificationCreateRequest[Annotated[int, BeforeValidator, BeforeValidator, PlainSerializer, WithJsonSchema, WithJsonSchema]] */
-        GenericNotificationCreateRequest_Annotated_int__BeforeValidator__BeforeValidator__PlainSerializer__WithJsonSchema__WithJsonSchema__: {
-            /**
-             * Notification
-             * @description The notification to create. The structure depends on the category.
-             */
-            notification: components["schemas"]["NotificationCreateData"];
-            /**
-             * Recipients
-             * @description The recipients of the notification. Can be a combination of users, groups and roles.
-             */
-            recipients: components["schemas"]["GenericNotificationRecipients_Annotated_int__BeforeValidator__BeforeValidator__PlainSerializer__WithJsonSchema__WithJsonSchema__"];
-        };
-        /** GenericNotificationRecipients[Annotated[int, BeforeValidator, BeforeValidator, PlainSerializer, WithJsonSchema, WithJsonSchema]] */
-        GenericNotificationRecipients_Annotated_int__BeforeValidator__BeforeValidator__PlainSerializer__WithJsonSchema__WithJsonSchema__: {
-            /**
-             * Group IDs
-             * @description The list of encoded group IDs of the groups that should receive the notification.
-             * @default []
-             */
-            group_ids?: string[];
-            /**
-             * Role IDs
-             * @description The list of encoded role IDs of the roles that should receive the notification.
-             * @default []
-             */
-            role_ids?: string[];
-            /**
-             * User IDs
-             * @description The list of encoded user IDs of the users that should receive the notification.
-             * @default []
-             */
-            user_ids?: string[];
-        };
         /**
          * GroupCreatePayload
          * @description Payload schema for creating a group.
@@ -9673,7 +9639,14 @@ export interface components {
             variant: components["schemas"]["NotificationVariant"];
         };
         /** NotificationCreateRequestBody */
-        NotificationCreateRequestBody: components["schemas"]["GenericNotificationCreateRequest_Annotated_int__BeforeValidator__BeforeValidator__PlainSerializer__WithJsonSchema__WithJsonSchema__"];
+        NotificationCreateRequestBody: {
+            /**
+             * Notification
+             * @description The notification to create. The structure depends on the category.
+             */
+            notification: components["schemas"]["NotificationCreateData"];
+            recipients: components["schemas"]["NotificationRecipientsPayload"];
+        };
         /** NotificationCreatedResponse */
         NotificationCreatedResponse: {
             /**
@@ -9687,6 +9660,27 @@ export interface components {
              */
             total_notifications_sent: number;
         };
+        /** NotificationRecipientsPayload */
+        NotificationRecipientsPayload: {
+            /**
+             * Group IDs
+             * @description The list of encoded group IDs of the groups that should receive the notification.
+             * @default []
+             */
+            group_ids?: string[];
+            /**
+             * Role IDs
+             * @description The list of encoded role IDs of the roles that should receive the notification.
+             * @default []
+             */
+            role_ids?: string[];
+            /**
+             * User IDs
+             * @description The list of encoded user IDs of the users that should receive the notification.
+             * @default []
+             */
+            user_ids?: string[];
+        };
         /**
          * NotificationResponse
          * @description Basic common fields for all notification responses.
diff --git a/lib/galaxy/schema/notifications.py b/lib/galaxy/schema/notifications.py
index f78bc0954480..cb62d4ac92cb 100644
--- a/lib/galaxy/schema/notifications.py
+++ b/lib/galaxy/schema/notifications.py
@@ -303,8 +303,12 @@ class GenericNotificationCreateRequest(Model, Generic[DatabaseIdT]):
 NotificationRecipients = GenericNotificationRecipients[int]
 
 
-class NotificationCreateRequestBody(RootModel):
-    root: GenericNotificationCreateRequest[DecodedDatabaseIdField]
+class NotificationRecipientsPayload(GenericNotificationRecipients[DecodedDatabaseIdField]):
+    pass
+
+
+class NotificationCreateRequestBody(GenericNotificationCreateRequest[DecodedDatabaseIdField]):
+    recipients: NotificationRecipientsPayload
 
 
 class BroadcastNotificationCreateRequest(NotificationCreateData):
diff --git a/lib/galaxy/webapps/galaxy/services/notifications.py b/lib/galaxy/webapps/galaxy/services/notifications.py
index 70d35c92ed4a..f0abdba6eef7 100644
--- a/lib/galaxy/webapps/galaxy/services/notifications.py
+++ b/lib/galaxy/webapps/galaxy/services/notifications.py
@@ -57,8 +57,8 @@ def send_notification(
         self.notification_manager.ensure_notifications_enabled()
         self._ensure_user_can_send_notifications(sender_context)
         request = NotificationCreateRequest.model_construct(
-            notification=payload.root.notification,
-            recipients=payload.root.recipients,
+            notification=payload.notification,
+            recipients=payload.recipients,
         )
         return self.send_notification_internal(request)