diff --git a/octoprint/server.py b/octoprint/server.py
index 920ba9c..7eec703 100644
--- a/octoprint/server.py
+++ b/octoprint/server.py
@@ -129,21 +129,25 @@ def disconnect():
 
 @app.route(BASEURL + "control/command", methods=["POST"])
 def printerCommand():
-	command = request.form["command"]
+	if "application/json" in request.headers["Content-Type"]:
+		data = request.json
 
-	# if parameters for the command are given, retrieve them from the request and format the command string with them
-	parameters = {}
-	for requestParameter in request.values.keys():
-		if not requestParameter.startswith("parameter_"):
-			continue
+		parameters = {}
+		if "parameters" in data.keys(): parameters = data["parameters"]
 
-		parameterName = requestParameter[len("parameter_"):]
-		parameterValue = request.values[requestParameter]
-		parameters[parameterName] = parameterValue
-	if len(parameters) > 0:
-		command = command % parameters
+		commands = []
+		if "command" in data.keys(): commands = [data["command"]]
+		elif "commands" in data.keys(): commands = data["commands"]
+
+		commandsToSend = []
+		for command in commands:
+			commandToSend = command
+			if len(parameters) > 0:
+				commandToSend = command % parameters
+			commandsToSend.append(commandToSend)
+
+		printer.commands(commandsToSend)
 
-	printer.command(command)
 	return jsonify(SUCCESS)
 
 @app.route(BASEURL + "control/print", methods=["POST"])
diff --git a/octoprint/static/js/ui.js b/octoprint/static/js/ui.js
index 4b5fb18..990e197 100644
--- a/octoprint/static/js/ui.js
+++ b/octoprint/static/js/ui.js
@@ -399,7 +399,7 @@ function ControlsViewModel() {
     }
 
     self._enhanceControl = function(control) {
-        if (control.type == "parametric_command") {
+        if (control.type == "parametric_command" || control.type == "parametric_commands") {
             for (var i = 0; i < control.input.length; i++) {
                 control.input[i].value = control.input[i].default;
             }
@@ -453,25 +453,33 @@ function ControlsViewModel() {
         if (!command)
             return;
 
-        if (command.type == "command") {
-            $.ajax({
-                url: AJAX_BASEURL + "control/command",
-                type: "POST",
-                dataType: "json",
-                data: "command=" + command.command
-            })
-        } else if (command.type="parametric_command") {
-            var data = {"command": command.command};
-            for (var i = 0; i < command.input.length; i++) {
-                data["parameter_" + command.input[i].parameter] = command.input[i].value;
-            }
-            $.ajax({
-                url: AJAX_BASEURL + "control/command",
-                type: "POST",
-                dataType: "json",
-                data: data
-            })
+        var data = undefined;
+        if (command.type == "command" || command.type == "parametric_command") {
+            // single command
+            data = {"command" : command.command};
+        } else if (command.type == "commands" || command.type == "parametric_commands") {
+            // multi command
+            data = {"commands": command.commands};
         }
+
+        if (command.type == "parametric_command" || command.type == "parametric_commands") {
+            // parametric command(s)
+            data["parameters"] = {};
+            for (var i = 0; i < command.input.length; i++) {
+                data["parameters"][command.input[i].parameter] = command.input[i].value;
+            }
+        }
+
+        if (!data)
+            return;
+
+        $.ajax({
+            url: AJAX_BASEURL + "control/command",
+            type: "POST",
+            dataType: "json",
+            contentType: "application/json; charset=UTF-8",
+            data: JSON.stringify(data)
+        })
     }
 
     self.displayMode = function(customControl) {
@@ -479,8 +487,10 @@ function ControlsViewModel() {
             case "section":
                 return "customControls_sectionTemplate";
             case "command":
+            case "commands":
                 return "customControls_commandTemplate";
             case "parametric_command":
+            case "parametric_commands":
                 return "customControls_parametricCommandTemplate";
             default:
                 return "customControls_emptyTemplate";
@@ -1262,7 +1272,8 @@ $(function() {
                     url: AJAX_BASEURL + "control/command",
                     type: "POST",
                     dataType: "json",
-                    data: "command=" + command
+                    contentType: "application/json; charset=UTF-8",
+                    data: JSON.stringify({"command": command})
                 })
             }
         })