diff --git a/src/Umbraco.Core/Services/IMemberGroupService.cs b/src/Umbraco.Core/Services/IMemberGroupService.cs
index 6a554aad31..9261dcfdf6 100644
--- a/src/Umbraco.Core/Services/IMemberGroupService.cs
+++ b/src/Umbraco.Core/Services/IMemberGroupService.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using Umbraco.Core.Models;
 
 namespace Umbraco.Core.Services
@@ -7,6 +8,7 @@ namespace Umbraco.Core.Services
     {
         IEnumerable<IMemberGroup> GetAll();
         IMemberGroup GetById(int id);
+        IMemberGroup GetById(Guid id);
         IEnumerable<IMemberGroup> GetByIds(IEnumerable<int> ids);
         IMemberGroup GetByName(string name);
         void Save(IMemberGroup memberGroup, bool raiseEvents = true);
diff --git a/src/Umbraco.Core/Services/Implement/MemberGroupService.cs b/src/Umbraco.Core/Services/Implement/MemberGroupService.cs
index c879a00ccb..d0f40f83a7 100644
--- a/src/Umbraco.Core/Services/Implement/MemberGroupService.cs
+++ b/src/Umbraco.Core/Services/Implement/MemberGroupService.cs
@@ -70,6 +70,14 @@ namespace Umbraco.Core.Services.Implement
             }
         }
 
+        public IMemberGroup GetById(Guid id)
+        {
+            using (var scope = ScopeProvider.CreateScope(autoComplete: true))
+            {
+                return _memberGroupRepository.GetMany().FirstOrDefault(x => x.Key == id);
+            }
+        }
+
         public IMemberGroup GetByName(string name)
         {
             using (var scope = ScopeProvider.CreateScope(autoComplete: true))
diff --git a/src/Umbraco.Web/Editors/MemberGroupController.cs b/src/Umbraco.Web/Editors/MemberGroupController.cs
index 67bd126e6e..ed11139e56 100644
--- a/src/Umbraco.Web/Editors/MemberGroupController.cs
+++ b/src/Umbraco.Web/Editors/MemberGroupController.cs
@@ -1,14 +1,18 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.Web.Http;
+using System.Web.Http.Controllers;
 using System.Web.Security;
+using Umbraco.Core;
 using Umbraco.Core.Models;
 using Umbraco.Core.Security;
 using Umbraco.Core.Services;
 using Umbraco.Web.Models.ContentEditing;
 using Umbraco.Web.Mvc;
+using Umbraco.Web.WebApi;
 using Umbraco.Web.WebApi.Filters;
 using Constants = Umbraco.Core.Constants;
 
@@ -19,10 +23,29 @@ namespace Umbraco.Web.Editors
     /// </summary>
     [PluginController("UmbracoApi")]
     [UmbracoTreeAuthorize(Constants.Trees.MemberGroups)]
+    [MemberGroupControllerConfiguration]
     public class MemberGroupController : UmbracoAuthorizedJsonController
     {
         private readonly MembershipProvider _provider = Core.Security.MembershipProviderExtensions.GetMembersMembershipProvider();
 
+        /// <summary>
+        /// Configures this controller with a custom action selector
+        /// </summary>
+        private class MemberGroupControllerConfigurationAttribute : Attribute, IControllerConfiguration
+        {
+            public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
+            {
+                controllerSettings.Services.Replace(typeof(IHttpActionSelector), new ParameterSwapControllerActionSelector(
+                    new ParameterSwapControllerActionSelector.ParameterSwapInfo("GetById", "id", typeof(int), typeof(Guid), typeof(Udi))
+                ));
+            }
+        }
+
+        /// <summary>
+        /// Gets the member group json for the member group id
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
         public MemberGroupDisplay GetById(int id)
         {
             var memberGroup = Services.MemberGroupService.GetById(id);
@@ -31,8 +54,43 @@ namespace Umbraco.Web.Editors
                 throw new HttpResponseException(HttpStatusCode.NotFound);
             }
 
-            var dto = Mapper.Map<IMemberGroup, MemberGroupDisplay>(memberGroup);
-            return dto;
+            return Mapper.Map<IMemberGroup, MemberGroupDisplay>(memberGroup);
+        }
+
+        /// <summary>
+        /// Gets the member group json for the member group guid
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public MemberGroupDisplay GetById(Guid id)
+        {
+            var memberGroup = Services.MemberGroupService.GetById(id);
+            if (memberGroup == null)
+            {
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+            }
+
+            return Mapper.Map<IMemberGroup, MemberGroupDisplay>(memberGroup);
+        }
+
+        /// <summary>
+        /// Gets the member group json for the member group udi
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public MemberGroupDisplay GetById(Udi id)
+        {
+            var guidUdi = id as GuidUdi;
+            if (guidUdi == null)
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+
+            var memberGroup = Services.MemberGroupService.GetById(guidUdi.Guid);
+            if (memberGroup == null)
+            {
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+            }
+
+            return Mapper.Map<IMemberGroup, MemberGroupDisplay>(memberGroup);
         }
 
         public IEnumerable<MemberGroupDisplay> GetByIds([FromUri]int[] ids)