diff --git a/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs b/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
index 6084e1c7..1511259c 100644
--- a/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
+++ b/Octokit.Reactive/Clients/ObservableRepositoriesClient.cs
@@ -15,6 +15,20 @@ namespace Octokit.Reactive.Clients
             _client = client;
         }
 
+        /// <summary>
+        /// Creates a new repository for the current user.
+        /// </summary>
+        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
+        /// <returns>An <see cref="IObservable{Repository}"/> instance for the created repository</returns>
+        public IObservable<Repository> Create(NewRepository newRepository)
+        {
+            Ensure.ArgumentNotNull(newRepository, "newRepository");
+            if (string.IsNullOrEmpty(newRepository.Name))
+                throw new ArgumentException("The new repository's name must not be null.");
+
+            return _client.Create(newRepository).ToObservable();
+        }
+
         public IObservable<Repository> Get(string owner, string name)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
diff --git a/Octokit.Reactive/IObservableRepositoriesClient.cs b/Octokit.Reactive/IObservableRepositoriesClient.cs
index bc8a1a32..2dc6bb33 100644
--- a/Octokit.Reactive/IObservableRepositoriesClient.cs
+++ b/Octokit.Reactive/IObservableRepositoriesClient.cs
@@ -6,6 +6,13 @@ namespace Octokit.Reactive
 {
     public interface IObservableRepositoriesClient
     {
+        /// <summary>
+        /// Creates a new repository for the current user.
+        /// </summary>
+        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
+        /// <returns>An <see cref="IObservable{Repository}"/> instance for the created repository</returns>
+        IObservable<Repository> Create(NewRepository newRepository);
+        
         /// <summary>
         /// Retrieves the <see cref="Repository"/> for the specified owner and name.
         /// </summary>
diff --git a/Octokit.Tests.Integration/AutomationSettings.cs b/Octokit.Tests.Integration/AutomationSettings.cs
index fca5ac97..ea7ae1df 100644
--- a/Octokit.Tests.Integration/AutomationSettings.cs
+++ b/Octokit.Tests.Integration/AutomationSettings.cs
@@ -57,5 +57,15 @@ namespace Octokit.Tests.Integration
         /// Username of a GitHub test account (DO NOT USE A "REAL" ACCOUNT).
         /// </summary>
         public string GitHubUsername { get; private set; }
+
+        /// <summary>
+        /// Makes a name with an appended timestamp so that it's safe for testing (i.e., won't collide with existing names).
+        /// </summary>
+        /// <param name="name">The name to use as a base, to which a timestamp will be appended</param>
+        /// <returns>The name with a timestamp appended</returns>
+        public static string MakeNameWithTimestamp(string name)
+        {
+            return string.Concat(name, "-", DateTime.UtcNow.ToString("yyyyMMddhhmmssfff"));
+        }
     }
 }
diff --git a/Octokit.Tests.Integration/RepositoriesClientTests.cs b/Octokit.Tests.Integration/RepositoriesClientTests.cs
index d53d27c2..67f5ece5 100644
--- a/Octokit.Tests.Integration/RepositoriesClientTests.cs
+++ b/Octokit.Tests.Integration/RepositoriesClientTests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -6,6 +7,199 @@ namespace Octokit.Tests.Integration
 {
     public class RepositoriesClientTests
     {
+        public class TheCreateMethod
+        {
+            [IntegrationTest]
+            public async Task CreatesANewPublicRepository()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("public-repo");
+
+                var createdRepository = await github.Repository.Create(new NewRepository { Name = repoName });
+
+                var cloneUrl = string.Format("https://github.com/{0}/{1}.git", github.Credentials.Login, repoName);
+                Assert.Equal(repoName, createdRepository.Name);
+                Assert.False(createdRepository.Private);
+                Assert.Equal(cloneUrl, createdRepository.CloneUrl);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.Equal(repoName, repository.Name);
+                Assert.Null(repository.Description);
+                Assert.False(repository.Private);
+                Assert.True(repository.HasDownloads);
+                Assert.True(repository.HasIssues);
+                Assert.True(repository.HasWiki);
+                Assert.Null(repository.Homepage);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesANewPrivateRepository()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("private-repo");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    Private = true
+                });
+
+                Assert.True(createdRepository.Private);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.True(repository.Private);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithoutDownloads()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-without-downloads");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    HasDownloads = false
+                });
+
+                Assert.False(createdRepository.HasDownloads);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.False(repository.HasDownloads);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithoutIssues()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-without-issues");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    HasIssues = false
+                });
+
+                Assert.False(createdRepository.HasIssues);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.False(repository.HasIssues);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithoutAWiki()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-without-wiki");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    HasWiki = false
+                });
+
+                Assert.False(createdRepository.HasWiki);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.False(repository.HasWiki);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithADescription()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-with-description");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    Description = "theDescription"
+                });
+
+                Assert.Equal("theDescription", createdRepository.Description);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.Equal("theDescription", repository.Description);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithAHomepage()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-with-homepage");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    Homepage = "http://aUrl.to/nowhere"
+                });
+
+                Assert.Equal("http://aUrl.to/nowhere", createdRepository.Homepage);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.Equal("http://aUrl.to/nowhere", repository.Homepage);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithAutoInit()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-with-autoinit");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    AutoInit = true
+                });
+
+                // TODO: Once the contents API has been added, check the actual files in the created repo
+                Assert.Equal(repoName, createdRepository.Name);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.Equal(repoName, repository.Name);
+            }
+
+            [IntegrationTest]
+            public async Task CreatesARepositoryWithAGitignoreTemplate()
+            {
+                var github = new GitHubClient("Test Runner User Agent")
+                {
+                    Credentials = AutomationSettings.Current.GitHubCredentials
+                };
+                var repoName = AutomationSettings.MakeNameWithTimestamp("repo-with-gitignore");
+
+                var createdRepository = await github.Repository.Create(new NewRepository
+                {
+                    Name = repoName,
+                    AutoInit = true,
+                    GitignoreTemplate = "visualstudio"
+                });
+
+                // TODO: Once the contents API has been added, check the actual files in the created repo
+                Assert.Equal(repoName, createdRepository.Name);
+                var repository = await github.Repository.Get(github.Credentials.Login, repoName);
+                Assert.Equal(repoName, repository.Name);
+            }
+
+            // TODO: Add a test for the team_id param once an overload that takes an oranization is added
+        }
+
         public class TheGetAsyncMethod
         {
             [IntegrationTest]
diff --git a/Octokit.Tests/Clients/RepositoriesClientTests.cs b/Octokit.Tests/Clients/RepositoriesClientTests.cs
index 08a0ec5b..2c9a698d 100644
--- a/Octokit.Tests/Clients/RepositoriesClientTests.cs
+++ b/Octokit.Tests/Clients/RepositoriesClientTests.cs
@@ -24,6 +24,41 @@ namespace Octokit.Tests.Clients
             }
         }
 
+        public class TheCreateMethod
+        {
+            [Fact]
+            public async Task EnsuresNonNullArguments()
+            {
+                var repositoriesClient = new RepositoriesClient(Substitute.For<IApiConnection<Repository>>());
+
+                await AssertEx.Throws<ArgumentNullException>(async () => await repositoriesClient.Create(null));
+                await AssertEx.Throws<ArgumentException>(async () => await repositoriesClient.Create(new NewRepository { Name = null }));
+            }
+            
+            [Fact]
+            public void UsesTheUserReposUrl()
+            {
+                var client = Substitute.For<IApiConnection<Repository>>();
+                var repositoriesClient = new RepositoriesClient(client);
+
+                repositoriesClient.Create(new NewRepository { Name = "aName" });
+
+                client.Received().Create(Arg.Is<Uri>(u => u.ToString() == "user/repos"), Arg.Any<NewRepository>());
+            }
+
+            [Fact]
+            public void TheNewRepositoryDescription()
+            {
+                var client = Substitute.For<IApiConnection<Repository>>();
+                var repositoriesClient = new RepositoriesClient(client);
+                var newRepository = new NewRepository { Name = "aName" };
+
+                repositoriesClient.Create(newRepository);
+
+                client.Received().Create(Arg.Any<Uri>(), newRepository);
+            }
+        }
+
         public class TheGetMethod
         {
             [Fact]
diff --git a/Octokit.Tests/SimpleJsonSerializerTests.cs b/Octokit.Tests/SimpleJsonSerializerTests.cs
index 0c69c8ba..cf523cfa 100644
--- a/Octokit.Tests/SimpleJsonSerializerTests.cs
+++ b/Octokit.Tests/SimpleJsonSerializerTests.cs
@@ -1,4 +1,5 @@
-using Octokit.Http;
+using System;
+using Octokit.Http;
 using Xunit;
 
 namespace Octokit.Tests
@@ -16,6 +17,52 @@ namespace Octokit.Tests
 
                 Assert.Equal("{\"id\":42,\"first_name\":\"Phil\",\"is_something\":true,\"private\":true}", json);
             }
+
+            [Fact]
+            public void OmitsPropertiesWithNullValue()
+            {
+                var item = new
+                {
+                    Object = (object)null,
+                    NullableInt = (int?)null,
+                    NullableBool = (bool?)null
+                };
+
+                var json = new SimpleJsonSerializer().Serialize(item);
+
+                Assert.Equal("{}", json);
+            }
+
+            [Fact]
+            public void DoesNotOmitsNullablePropertiesWithAValue()
+            {
+                var item = new
+                {
+                    Object = new { Id = 42 },
+                    NullableInt = (int?)1066,
+                    NullableBool = (bool?)true
+                };
+
+                var json = new SimpleJsonSerializer().Serialize(item);
+
+                Assert.Equal("{\"object\":{\"id\":42},\"nullable_int\":1066,\"nullable_bool\":true}", json);
+            }
+
+            [Fact]
+            public void HandlesMixingNullAndNotNullData()
+            {
+                var item = new
+                {
+                    Int = 42,
+                    Bool = true,
+                    NullableInt = (int?)null,
+                    NullableBool = (bool?)null
+                };
+
+                var json = new SimpleJsonSerializer().Serialize(item);
+
+                Assert.Equal("{\"int\":42,\"bool\":true}", json);
+            }
         }
 
         public class TheDeserializeMethod
diff --git a/Octokit/Clients/RepositoriesClient.cs b/Octokit/Clients/RepositoriesClient.cs
index 7cf0025c..4480c465 100644
--- a/Octokit/Clients/RepositoriesClient.cs
+++ b/Octokit/Clients/RepositoriesClient.cs
@@ -11,6 +11,21 @@ namespace Octokit.Clients
         {
         }
 
+        /// <summary>
+        /// Creates a new repository for the current user.
+        /// </summary>
+        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
+        /// <returns>A <see cref="Repository"/> instance for the created repository</returns>
+        public async Task<Repository> Create(NewRepository newRepository)
+        {
+            Ensure.ArgumentNotNull(newRepository, "newRepository");
+            if (string.IsNullOrEmpty(newRepository.Name))
+                throw new ArgumentException("The new repository's name must not be null.");
+
+            var endpoint = new Uri("user/repos", UriKind.Relative);
+            return await Client.Create(endpoint, newRepository);
+        }
+
         public async Task<Repository> Get(string owner, string name)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
diff --git a/Octokit/GitHubModels.cs b/Octokit/GitHubModels.cs
index 9562494b..230e2d5f 100644
--- a/Octokit/GitHubModels.cs
+++ b/Octokit/GitHubModels.cs
@@ -530,4 +530,61 @@ namespace Octokit
 
         public string Resource { get; set; }
     }
+
+    /// <summary>
+    /// Describes a new repository to create via the <see cref="IRepositoriesClient.Create"/> method.
+    /// </summary>
+    public class NewRepository
+    {
+        /// <summary>
+        /// Optional. Gets or sets whether to create an initial commit with empty README. The default is false.
+        /// </summary>
+        public bool? AutoInit { get; set; }
+
+        /// <summary>
+        /// Required. Gets or sets the new repository's description
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>s
+        /// Optional. Gets or sets whether to the enable downloads for the new repository. The default is true.
+        /// </summary>
+        public bool? HasDownloads { get; set; }
+
+        /// <summary>s
+        /// Optional. Gets or sets whether to the enable issues for the new repository. The default is true.
+        /// </summary>
+        public bool? HasIssues { get; set; }
+
+        /// <summary>s
+        /// Optional. Gets or sets whether to the enable the wiki for the new repository. The default is true.
+        /// </summary>
+        public bool? HasWiki { get; set; }
+
+        /// <summary>
+        /// Optional. Gets or sets the new repository's optional website.
+        /// </summary>
+        public string Homepage { get; set; }
+
+        /// <summary>
+        /// Optional. Gets or sets the desired language's or platform's .gitignore template to apply. Use the name of the template without the extension; "Haskell", for example. Ignored if <see cref="AutoInit"/> is null or false.
+        /// </summary>
+        [SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gitignore", Justification = "It needs to be this way for proper serialization.")]
+        public string GitignoreTemplate { get; set; }
+
+        /// <summary>
+        /// Required. Gets or sets the new repository's name.
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Optional. Gets or sets whether the new repository is private; the default is false.
+        /// </summary>
+        public bool? Private { get; set; }
+
+        /// <summary>
+        /// Optional. Gets or sets the ID of the team to grant access to this repository. This is only valid when creating a repository for an organization.
+        /// </summary>
+        public int? TeamId { get; set; }
+    }
 }
diff --git a/Octokit/Http/SimpleJsonSerializer.cs b/Octokit/Http/SimpleJsonSerializer.cs
index 8c846cf4..8876b95b 100644
--- a/Octokit/Http/SimpleJsonSerializer.cs
+++ b/Octokit/Http/SimpleJsonSerializer.cs
@@ -1,4 +1,10 @@
-namespace Octokit.Http
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Reflection;
+using Octokit.Reflection;
+
+namespace Octokit.Http
 {
     public class SimpleJsonSerializer : IJsonSerializer
     {
@@ -20,6 +26,32 @@
             {
                 return clrPropertyName.ToRubyCase();
             }
+
+            // This is overridden so that null values are omitted from serialized objects.
+            [SuppressMessage("Microsoft.Design", "CA1007:UseGenericsWhereAppropriate", Justification = "Need to support .NET 2")]
+            protected override bool TrySerializeUnknownTypes(object input, out object output)
+            {
+                if (input == null) throw new ArgumentNullException("input");
+                output = null;
+                Type type = input.GetType();
+                if (type.FullName == null)
+                    return false;
+                IDictionary<string, object> obj = new JsonObject();
+                IDictionary<string, ReflectionUtils.GetDelegate> getters = GetCache[type];
+                foreach (KeyValuePair<string, ReflectionUtils.GetDelegate> getter in getters)
+                {
+                    if (getter.Value != null)
+                    {
+                        var value = getter.Value(input);
+                        if (value == null)
+                            continue;
+
+                        obj.Add(MapClrMemberNameToJsonFieldName(getter.Key), value);
+                    }
+                }
+                output = obj;
+                return true;
+            }
         }
     }
 }
diff --git a/Octokit/IRepositoriesClient.cs b/Octokit/IRepositoriesClient.cs
index 47c7a44d..e6028c21 100644
--- a/Octokit/IRepositoriesClient.cs
+++ b/Octokit/IRepositoriesClient.cs
@@ -7,6 +7,13 @@ namespace Octokit
 {
     public interface IRepositoriesClient
     {
+        /// <summary>
+        /// Creates a new repository for the current user.
+        /// </summary>
+        /// <param name="newRepository">A <see cref="NewRepository"/> instance describing the new repository to create</param>
+        /// <returns>A <see cref="Repository"/> instance for the created repository</returns>
+        Task<Repository> Create(NewRepository newRepository);
+
         /// <summary>
         /// Retrieves the <see cref="Repository"/> for the specified owner and name.
         /// </summary>
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index d4227ada..258ac06c 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -72,6 +72,7 @@
     <Reference Include="System.Runtime">
       <HintPath>..\packages\Microsoft.Bcl.1.1.3\lib\net40\System.Runtime.dll</HintPath>
     </Reference>
+    <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Threading.Tasks">
       <HintPath>..\packages\Microsoft.Bcl.1.1.3\lib\net40\System.Threading.Tasks.dll</HintPath>
     </Reference>