diff --git a/internal/services/monitor/monitor_action_group_resource.go b/internal/services/monitor/monitor_action_group_resource.go
index 286809139700..432980bf9c8e 100644
--- a/internal/services/monitor/monitor_action_group_resource.go
+++ b/internal/services/monitor/monitor_action_group_resource.go
@@ -228,7 +228,7 @@ func resourceMonitorActionGroup() *pluginsdk.Resource {
 										Type:         pluginsdk.TypeString,
 										Optional:     true,
 										Computed:     true,
-										ValidateFunc: validation.IsURLWithScheme([]string{"api"}),
+										ValidateFunc: validation.IsURLWithScheme([]string{"api", "https"}),
 									},
 
 									"tenant_id": {