diff --git a/source/javascripts/swagger-service.js b/source/javascripts/swagger-service.js
index af6681dc..d52eeeb9 100644
--- a/source/javascripts/swagger-service.js
+++ b/source/javascripts/swagger-service.js
@@ -189,7 +189,7 @@ function SwaggerService(discoveryUrl, _apiKey, statusCallback) {
       return "{" + this.path_json + "| " + this.nickname + paramsString + ": " + this.summary + "}";
     },
 
-    invocationUrl: function(formValues) {
+    invocationData: function(formValues) {
       var formValuesMap = new Object();
       for (var i = 0; i < formValues.length; i++) {
         var formValue = formValues[i];
@@ -203,21 +203,23 @@ function SwaggerService(discoveryUrl, _apiKey, statusCallback) {
       var url = $.tmpl(urlTemplate, formValuesMap)[0].data;
       // log("url with path params = " + url);
 
-      var queryParams = apiKeySuffix;
+      var queryParams = {};
+      if (apiKey) {
+        apiKey = jQuery.trim(apiKey);
+        if (apiKey.length > 0)
+          queryParams['api_key'] = apiKey;
+      }
       this.parameters.each(function(param) {
         var paramValue = jQuery.trim(formValuesMap[param.name]);
         if (param.paramType == "query" && paramValue.length > 0) {
-          queryParams += queryParams.length > 0 ? "&": "?";
-          queryParams += param.name;
-          queryParams += "=";
-          queryParams += formValuesMap[param.name];
+          queryParams[param.name] = formValuesMap[param.name];
         }
       });
 
-      url = this.baseUrl + url + queryParams;
+      url = this.baseUrl + url;
       // log("final url with query params and base url = " + url);
 
-      return url;
+      return {url: url, queryParams: queryParams};
     }
 
   });
diff --git a/source/javascripts/swagger-ui.js b/source/javascripts/swagger-ui.js
index 0f4e557f..fafedbba 100644
--- a/source/javascripts/swagger-ui.js
+++ b/source/javascripts/swagger-ui.js
@@ -284,8 +284,6 @@ jQuery(function($) {
 
         for (var p = 0; p < this.operation.parameters.count(); p++) {
           var param = Param.init(this.operation.parameters.all()[p]);
-          // Only GET operations display forms..
-          param.readOnly = !this.isGetOperation;
           param.cleanup();
           
           $(param.templateName()).tmpl(param).appendTo(operationParamsContainer);
@@ -293,14 +291,7 @@ jQuery(function($) {
       }
 
       var submitButtonId = this.elementScope + "_content_sandbox_response_button";
-      if (this.isGetOperation) {
-        $(submitButtonId).click(this.submitOperation);
-      } else {
-        $(submitButtonId).hide();
-
-        var valueHeader = this.elementScope + "_value_header";
-        $(valueHeader).html("Default Value");
-      }
+      $(submitButtonId).click(this.submitOperation);
 
     },
 
@@ -327,9 +318,15 @@ jQuery(function($) {
       });
       
       if (error_free) {
-        var invocationUrl = this.operation.invocationUrl(form.serializeArray());
-        $(".request_url", this.elementScope + "_content_sandbox_response").html("<pre>" + invocationUrl + "</pre>");
-        $.getJSON(invocationUrl, this.showResponse).complete(this.showCompleteStatus).error(this.showErrorStatus);
+        var invocationData = this.operation.invocationData(form.serializeArray());
+        $(".request_url", this.elementScope + "_content_sandbox_response").html("<pre>" + invocationData.url + "</pre>");
+        $.ajax({
+          url: invocationData.url,
+          dataType: 'json',
+          data: invocationData.queryParams,
+          success: this.showResponse,
+          type: this.operation.httpMethod.toUpperCase()
+        }).complete(this.showCompleteStatus).error(this.showErrorStatus);
       }
 
     },