diff --git a/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs b/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
index fe7ba61d6..e5c099fc6 100644
--- a/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
+++ b/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using FluentValidation;
 using NLog;
 using Nancy;
 using NzbDrone.Api.Extensions;
@@ -25,6 +26,17 @@ namespace NzbDrone.Api.ErrorManagement
                 return apiException.ToErrorResponse();
             }
 
+            var validationException = exception as ValidationException;
+
+            if (validationException != null)
+            {
+                _logger.Warn("Invalid request {0}", validationException.Message);
+                
+                
+                return validationException.Errors.AsResponse(HttpStatusCode.BadRequest);
+
+            }
+
             _logger.ErrorException("Unexpected error", exception);
 
 
diff --git a/NzbDrone.Api/NzbDrone.Api.csproj b/NzbDrone.Api/NzbDrone.Api.csproj
index 7658d8bd1..44701bd85 100644
--- a/NzbDrone.Api/NzbDrone.Api.csproj
+++ b/NzbDrone.Api/NzbDrone.Api.csproj
@@ -90,9 +90,11 @@
     <Compile Include="Frontend\StaticResourceMapper.cs" />
     <Compile Include="Missing\MissingResource.cs" />
     <Compile Include="Missing\MissingModule.cs" />
+    <Compile Include="NzbDroneRestModule.cs" />
     <Compile Include="Resolvers\EndTimeResolver.cs" />
     <Compile Include="Resolvers\NextAiringResolver.cs" />
     <Compile Include="Resolvers\NullableDatetimeToString.cs" />
+    <Compile Include="REST\ResourceValidator.cs" />
     <Compile Include="REST\RestModule.cs" />
     <Compile Include="REST\RestResource.cs" />
     <Compile Include="RootFolders\RootFolderModule.cs" />
@@ -118,6 +120,7 @@
     <Compile Include="Resolvers\QualityTypesToIntResolver.cs" />
     <Compile Include="Settings\SettingsModule.cs" />
     <Compile Include="TinyIoCNancyBootstrapper.cs" />
+    <Compile Include="Validation\IdValidationRule.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
diff --git a/NzbDrone.Api/NzbDroneRestModule.cs b/NzbDrone.Api/NzbDroneRestModule.cs
new file mode 100644
index 000000000..81a515a5e
--- /dev/null
+++ b/NzbDrone.Api/NzbDroneRestModule.cs
@@ -0,0 +1,16 @@
+using NzbDrone.Api.REST;
+using NzbDrone.Api.Validation;
+
+namespace NzbDrone.Api
+{
+    public abstract class NzbDroneRestModule<TResource> : RestModule<TResource> where TResource : RestResource, new()
+    {
+        protected NzbDroneRestModule(string resource)
+            : base("/api/" + resource.Trim('/'))
+        {
+            PostValidator.RuleFor(r => r.Id).IsZero();
+            PutValidator.RuleFor(r => r.Id).ValidId();
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/NzbDrone.Api/REST/ResourceValidator.cs b/NzbDrone.Api/REST/ResourceValidator.cs
new file mode 100644
index 000000000..d9850375b
--- /dev/null
+++ b/NzbDrone.Api/REST/ResourceValidator.cs
@@ -0,0 +1,9 @@
+using FluentValidation;
+
+namespace NzbDrone.Api.REST
+{
+    public class ResourceValidator<TResource> : AbstractValidator<TResource>
+    {
+
+    }
+}
\ No newline at end of file
diff --git a/NzbDrone.Api/REST/RestModule.cs b/NzbDrone.Api/REST/RestModule.cs
index 6e5d9f7d5..807030972 100644
--- a/NzbDrone.Api/REST/RestModule.cs
+++ b/NzbDrone.Api/REST/RestModule.cs
@@ -1,13 +1,18 @@
 using System;
 using System.Collections.Generic;
+using FluentValidation;
 using Nancy;
 using NzbDrone.Api.Extensions;
+using System.Linq;
 
 namespace NzbDrone.Api.REST
 {
     public abstract class RestModule<TResource> : NancyModule
         where TResource : RestResource, new()
     {
+        protected ResourceValidator<TResource> PostValidator { get; private set; }
+        protected ResourceValidator<TResource> PutValidator { get; private set; }
+        protected ResourceValidator<TResource> SharedValidator { get; private set; }
         private const string ROOT_ROUTE = "/";
         private const string ID_ROUTE = "/{id}";
 
@@ -20,6 +25,11 @@ namespace NzbDrone.Api.REST
         protected RestModule(string modulePath)
             : base(modulePath)
         {
+
+            PostValidator = new ResourceValidator<TResource>();
+            PutValidator = new ResourceValidator<TResource>();
+            SharedValidator = new ResourceValidator<TResource>();
+
             Get[ROOT_ROUTE] = options =>
             {
                 EnsureImplementation(GetResourceAll);
@@ -55,7 +65,7 @@ namespace NzbDrone.Api.REST
                 return new Response { StatusCode = HttpStatusCode.OK };
             };
 
-            
+
 
 
         }
@@ -78,13 +88,21 @@ namespace NzbDrone.Api.REST
         {
             var resource = Request.Body.FromJson<TResource>();
 
+            var errors = SharedValidator.Validate(resource).Errors.ToList();
+
+
             if (Request.Method.Equals("POST", StringComparison.InvariantCultureIgnoreCase))
             {
-                //resource.ValidateForPost();
+                errors.AddRange(PostValidator.Validate(resource).Errors);
             }
             else if (Request.Method.Equals("PUT", StringComparison.InvariantCultureIgnoreCase))
             {
-                //resource.ValidateForPut();
+                errors.AddRange(PutValidator.Validate(resource).Errors);
+            }
+
+            if (errors.Any())
+            {
+                throw new ValidationException(errors);
             }
 
             return resource;
diff --git a/NzbDrone.Api/Series/SeriesModule.cs b/NzbDrone.Api/Series/SeriesModule.cs
index a16fc1000..9b48aa990 100644
--- a/NzbDrone.Api/Series/SeriesModule.cs
+++ b/NzbDrone.Api/Series/SeriesModule.cs
@@ -4,15 +4,15 @@ using System.Globalization;
 using System.Linq;
 using AutoMapper;
 using FluentValidation;
-using Nancy;
 using NzbDrone.Api.Extensions;
 using NzbDrone.Common;
 using NzbDrone.Core.Tv;
 using NzbDrone.Core.Model;
+using NzbDrone.Api.Validation;
 
 namespace NzbDrone.Api.Series
 {
-    public class SeriesModule : NzbDroneApiModule//: RestModule<SeriesResource>
+    public class SeriesModule : NzbDroneRestModule<SeriesResource>
     {
         private readonly ISeriesService _seriesService;
 
@@ -20,15 +20,23 @@ namespace NzbDrone.Api.Series
             : base("/Series")
         {
             _seriesService = seriesService;
-            Get["/"] = x => AllSeries();
-            Get["/{id}"] = x => GetSeries((int)x.id);
-            Post["/"] = x => AddSeries();
-            Put["/"] = x => UpdateSeries();
 
-            Delete["/{id}"] = x => DeleteSeries((int)x.id);
+            GetResourceAll = AllSeries;
+            GetResourceById = GetSeries;
+            CreateResource = AddSeries;
+            UpdateResource = UpdateSeries;
+            DeleteResource = DeleteSeries;
+
+
+            SharedValidator.RuleFor(s => s.RootFolderId).ValidId();
+            SharedValidator.RuleFor(s => s.QualityProfileId).ValidId();
+
+
+            PostValidator.RuleFor(s => s.Title).NotEmpty();
+
         }
 
-        private Response AllSeries()
+        private List<SeriesResource> AllSeries()
         {
             var series = _seriesService.GetAllSeries().ToList();
             var seriesStats = _seriesService.SeriesStatistics();
@@ -45,18 +53,17 @@ namespace NzbDrone.Api.Series
                 s.NextAiring = stats.NextAiring;
             }
 
-            return seriesModels.AsResponse();
+            return seriesModels;
         }
 
-        private Response GetSeries(int id)
+        private SeriesResource GetSeries(int id)
         {
             var series = _seriesService.GetSeries(id);
             var seriesModels = Mapper.Map<Core.Tv.Series, SeriesResource>(series);
-
-            return seriesModels.AsResponse();
+            return seriesModels;
         }
 
-        private Response AddSeries()
+        private SeriesResource AddSeries(SeriesResource seriesResource)
         {
             var newSeries = Request.Body.FromJson<Core.Tv.Series>();
 
@@ -64,44 +71,40 @@ namespace NzbDrone.Api.Series
             //Todo: We need to create the folder if the user is adding a new series
             //(we can just create the folder and it won't blow up if it already exists)
             //We also need to remove any special characters from the filename before attempting to create it           
-
-            _seriesService.AddSeries(newSeries);
-
-            return new Response { StatusCode = HttpStatusCode.Created };
+            var series = Mapper.Map<SeriesResource, Core.Tv.Series>(seriesResource);
+            _seriesService.AddSeries(series);
+            return Mapper.Map<Core.Tv.Series, SeriesResource>(series);
         }
 
-        private Response UpdateSeries()
+        private SeriesResource UpdateSeries(SeriesResource seriesResource)
         {
-            var request = Request.Body.FromJson<SeriesResource>();
-
-            var series = _seriesService.GetSeries(request.Id);
+            var series = _seriesService.GetSeries(seriesResource.Id);
 
-            series.Monitored = request.Monitored;
-            series.SeasonFolder = request.SeasonFolder;
-            series.QualityProfileId = request.QualityProfileId;
+            series.Monitored = seriesResource.Monitored;
+            series.SeasonFolder = seriesResource.SeasonFolder;
+            series.QualityProfileId = seriesResource.QualityProfileId;
 
             //Todo: Do we want to force a scan when this path changes? Can we use events instead?
-            series.RootFolderId = request.RootFolderId;
-            series.FolderName = request.FolderName;
+            series.RootFolderId = seriesResource.RootFolderId;
+            series.FolderName = seriesResource.FolderName;
 
-            series.BacklogSetting = (BacklogSettingType)request.BacklogSetting;
+            series.BacklogSetting = (BacklogSettingType)seriesResource.BacklogSetting;
 
-            if (!String.IsNullOrWhiteSpace(request.CustomStartDate))
-                series.CustomStartDate = DateTime.Parse(request.CustomStartDate, null, DateTimeStyles.RoundtripKind);
+            if (!String.IsNullOrWhiteSpace(seriesResource.CustomStartDate))
+                series.CustomStartDate = DateTime.Parse(seriesResource.CustomStartDate, null, DateTimeStyles.RoundtripKind);
 
             else
                 series.CustomStartDate = null;
 
             _seriesService.UpdateSeries(series);
 
-            return request.AsResponse();
+            return Mapper.Map<Core.Tv.Series, SeriesResource>(series);
         }
 
-        private Response DeleteSeries(int id)
+        private void DeleteSeries(int id)
         {
             var deleteFiles = Convert.ToBoolean(Request.Headers["deleteFiles"].FirstOrDefault());
             _seriesService.DeleteSeries(id, deleteFiles);
-            return new Response { StatusCode = HttpStatusCode.OK };
         }
     }
 
diff --git a/NzbDrone.Api/Validation/IdValidationRule.cs b/NzbDrone.Api/Validation/IdValidationRule.cs
new file mode 100644
index 000000000..f2ef55a82
--- /dev/null
+++ b/NzbDrone.Api/Validation/IdValidationRule.cs
@@ -0,0 +1,19 @@
+using FluentValidation;
+using FluentValidation.Validators;
+
+namespace NzbDrone.Api.Validation
+{
+    public static class RuleBuilderExtensions
+    {
+        public static IRuleBuilderOptions<T, int> ValidId<T>(this IRuleBuilder<T, int> ruleBuilder)
+        {
+            return ruleBuilder.SetValidator(new GreaterThanValidator(0));
+        }
+
+        public static IRuleBuilderOptions<T, int> IsZero<T>(this IRuleBuilder<T, int> ruleBuilder)
+        {
+            return ruleBuilder.SetValidator(new EqualValidator(0));
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/NzbDrone.Integration.Test/Client/ClientBase.cs b/NzbDrone.Integration.Test/Client/ClientBase.cs
index ae7d15e89..7a61831fb 100644
--- a/NzbDrone.Integration.Test/Client/ClientBase.cs
+++ b/NzbDrone.Integration.Test/Client/ClientBase.cs
@@ -1,7 +1,10 @@
 using System.Collections.Generic;
 using System.Net;
 using FluentAssertions;
+using FluentValidation;
+using FluentValidation.Results;
 using NLog;
+using Newtonsoft.Json;
 using RestSharp;
 
 namespace NzbDrone.Integration.Test.Client
@@ -33,6 +36,13 @@ namespace NzbDrone.Integration.Test.Client
             return Post<TResource>(request);
         }
 
+        public List<string> InvalidPost(TResource body)
+        {
+            var request = BuildRequest();
+            request.AddBody(body);
+            return Post<List<string>>(request, HttpStatusCode.BadRequest);
+        }
+
         protected RestRequest BuildRequest(string command = "")
         {
             return new RestRequest(_resource + "/" + command.Trim('/'))
@@ -58,9 +68,10 @@ namespace NzbDrone.Integration.Test.Client
             _logger.Info("{0}: {1}", request.Method, _restClient.BuildUri(request));
 
             var response = _restClient.Execute<T>(request);
-
             _logger.Info("Response: {0}", response.Content);
 
+            response.StatusCode.Should().Be(statusCode);
+
             if (response.ErrorException != null)
             {
                 throw response.ErrorException;
@@ -68,9 +79,6 @@ namespace NzbDrone.Integration.Test.Client
 
             response.ErrorMessage.Should().BeBlank();
 
-
-            response.StatusCode.Should().Be(statusCode);
-
             return response.Data;
         }
 
diff --git a/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj b/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
index 41cba8aa5..12b705c23 100644
--- a/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
+++ b/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
@@ -42,12 +42,20 @@
     <Reference Include="FluentAssertions">
       <HintPath>..\packages\FluentAssertions.2.0.1\lib\net40\FluentAssertions.dll</HintPath>
     </Reference>
+    <Reference Include="FluentValidation, Version=3.4.6.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\FluentValidation.3.4.6.0\lib\Net40\FluentValidation.dll</HintPath>
+    </Reference>
     <Reference Include="Nancy">
       <HintPath>..\packages\Nancy.0.16.1\lib\net40\Nancy.dll</HintPath>
     </Reference>
     <Reference Include="Nancy.Hosting.Self">
       <HintPath>..\packages\Nancy.Hosting.Self.0.16.1\lib\net40\Nancy.Hosting.Self.dll</HintPath>
     </Reference>
+    <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\Newtonsoft.Json.5.0.3\lib\net40\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="NLog">
       <HintPath>..\packages\NLog.2.0.1.2\lib\net40\NLog.dll</HintPath>
     </Reference>
diff --git a/NzbDrone.Integration.Test/SeriesTest.cs b/NzbDrone.Integration.Test/SeriesTest.cs
index 5e37be243..fbd938a31 100644
--- a/NzbDrone.Integration.Test/SeriesTest.cs
+++ b/NzbDrone.Integration.Test/SeriesTest.cs
@@ -1,4 +1,5 @@
-using FluentAssertions;
+using System.Net;
+using FluentAssertions;
 using NUnit.Framework;
 using NzbDrone.Api.Series;
 
@@ -23,10 +24,10 @@ namespace NzbDrone.Integration.Test
         }
 
         [Test]
-        [Ignore]
-        public void add_series_without_required_fields_should_return_400()
+        public void add_series_without_required_fields_should_return_badrequest()
         {
-            Series.Post(new SeriesResource());
+            var errors = Series.InvalidPost(new SeriesResource());
+            errors.Should().NotBeEmpty();
         }
 
     }
diff --git a/NzbDrone.Integration.Test/packages.config b/NzbDrone.Integration.Test/packages.config
index 00794e13d..aeb45bf32 100644
--- a/NzbDrone.Integration.Test/packages.config
+++ b/NzbDrone.Integration.Test/packages.config
@@ -3,8 +3,10 @@
   <package id="Exceptron.Client" version="1.0.20" targetFramework="net40" />
   <package id="Exceptron.NLog" version="1.0.11" targetFramework="net40" />
   <package id="FluentAssertions" version="2.0.1" targetFramework="net40" />
+  <package id="FluentValidation" version="3.4.6.0" targetFramework="net40" />
   <package id="Nancy" version="0.16.1" targetFramework="net40" />
   <package id="Nancy.Hosting.Self" version="0.16.1" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="5.0.3" targetFramework="net40" />
   <package id="NLog" version="2.0.1.2" targetFramework="net40" />
   <package id="NUnit" version="2.6.2" targetFramework="net40" />
   <package id="RestSharp" version="104.1" targetFramework="net40" />