diff --git a/qapi-schema.json b/qapi-schema.json
index d0926d95f65a..9ffdcf8e85f3 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3245,7 +3245,7 @@
               'abs'     : 'InputMoveEvent' } }
 
 ##
-# @input-send-event
+# @x-input-send-event
 #
 # Send input event(s) to guest.
 #
@@ -3257,8 +3257,10 @@
 #
 # Since: 2.2
 #
+# Note: this command is experimental, and not a stable API.
+#
 ##
-{ 'command': 'input-send-event',
+{ 'command': 'x-input-send-event',
   'data': { '*console':'int', 'events': [ 'InputEvent' ] } }
 
 ##
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 8812401b679d..718dd92f6a27 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -3791,13 +3791,13 @@ Example:
 EQMP
 
     {
-        .name       = "input-send-event",
+        .name       = "x-input-send-event",
         .args_type  = "console:i?,events:q",
-        .mhandler.cmd_new = qmp_marshal_input_input_send_event,
+        .mhandler.cmd_new = qmp_marshal_input_x_input_send_event,
     },
 
 SQMP
-@input-send-event
+@x-input-send-event
 -----------------
 
 Send input event to guest.
@@ -3811,17 +3811,19 @@ The consoles are visible in the qom tree, under
 /backend/console[$index]. They have a device link and head property, so
 it is possible to map which console belongs to which device and display.
 
+Note: this command is experimental, and not a stable API.
+
 Example (1):
 
 Press left mouse button.
 
--> { "execute": "input-send-event",
+-> { "execute": "x-input-send-event",
     "arguments": { "console": 0,
                    "events": [ { "type": "btn",
                     "data" : { "down": true, "button": "Left" } } } }
 <- { "return": {} }
 
--> { "execute": "input-send-event",
+-> { "execute": "x-input-send-event",
     "arguments": { "console": 0,
                    "events": [ { "type": "btn",
                     "data" : { "down": false, "button": "Left" } } } }
@@ -3831,7 +3833,7 @@ Example (2):
 
 Press ctrl-alt-del.
 
--> { "execute": "input-send-event",
+-> { "execute": "x-input-send-event",
      "arguments": { "console": 0, "events": [
         { "type": "key", "data" : { "down": true,
           "key": {"type": "qcode", "data": "ctrl" } } },
@@ -3845,7 +3847,7 @@ Example (3):
 
 Move mouse pointer to absolute coordinates (20000, 400).
 
--> { "execute": "input-send-event" ,
+-> { "execute": "x-input-send-event" ,
   "arguments": { "console": 0, "events": [
                { "type": "abs", "data" : { "axis": "X", "value" : 20000 } },
                { "type": "abs", "data" : { "axis": "Y", "value" : 400 } } ] } }
diff --git a/ui/input.c b/ui/input.c
index 37ff46fc5557..7ba99e56b1c0 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -122,8 +122,8 @@ qemu_input_find_handler(uint32_t mask, QemuConsole *con)
     return NULL;
 }
 
-void qmp_input_send_event(bool has_console, int64_t console,
-                          InputEventList *events, Error **errp)
+void qmp_x_input_send_event(bool has_console, int64_t console,
+                            InputEventList *events, Error **errp)
 {
     InputEventList *e;
     QemuConsole *con;