diff --git a/Octokit.Reactive/Clients/IObservableIssueCommentReactionsClient.cs b/Octokit.Reactive/Clients/IObservableIssueCommentReactionsClient.cs
new file mode 100644
index 00000000..a04bd9ed
--- /dev/null
+++ b/Octokit.Reactive/Clients/IObservableIssueCommentReactionsClient.cs
@@ -0,0 +1,28 @@
+using System;
+
+namespace Octokit.Reactive
+{
+    public interface IObservableIssueCommentReactionsClient
+    {
+        /// <summary>
+        /// Creates a reaction for an specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#create-reaction-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>
+        /// <param name="reaction">The reaction to create </param>
+        /// <returns></returns>
+        IObservable<Reaction> Create(string owner, string name, int number, NewReaction reaction);
+
+        /// <summary>
+        /// List reactions for a specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#list-reactions-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>        
+        /// <returns></returns>
+        IObservable<Reaction> GetAll(string owner, string name, int number);
+    }
+}
diff --git a/Octokit.Reactive/Clients/ObservableCommitCommentReactionsClient.cs b/Octokit.Reactive/Clients/ObservableCommitCommentReactionsClient.cs
index cb95edac..bfd12684 100644
--- a/Octokit.Reactive/Clients/ObservableCommitCommentReactionsClient.cs
+++ b/Octokit.Reactive/Clients/ObservableCommitCommentReactionsClient.cs
@@ -48,7 +48,7 @@ namespace Octokit.Reactive
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
             Ensure.ArgumentNotNullOrEmptyString(name, "name");
 
-            return _connection.GetAndFlattenAllPages<Reaction>(ApiUrls.CommitCommentReactions(owner, name, number));
+            return _connection.GetAndFlattenAllPages<Reaction>(ApiUrls.CommitCommentReactions(owner, name, number), AcceptHeaders.ReactionsPreview);
         }
     }
 }
diff --git a/Octokit.Reactive/Clients/ObservableIssueCommentReactionsClient.cs b/Octokit.Reactive/Clients/ObservableIssueCommentReactionsClient.cs
new file mode 100644
index 00000000..833158f3
--- /dev/null
+++ b/Octokit.Reactive/Clients/ObservableIssueCommentReactionsClient.cs
@@ -0,0 +1,54 @@
+using Octokit.Reactive.Internal;
+using System;
+using System.Reactive.Threading.Tasks;
+
+namespace Octokit.Reactive
+{
+    public class ObservableIssueCommentReactionsClient : IObservableIssueCommentReactionsClient
+    {
+        readonly ICommitCommentReactionsClient _client;
+        readonly IConnection _connection;
+
+        public ObservableIssueCommentReactionsClient(IGitHubClient client)
+        {
+            Ensure.ArgumentNotNull(client, "client");
+
+            _client = client.Reaction.CommitComment;
+            _connection = client.Connection;
+        }
+
+        /// <summary>
+        /// Creates a reaction for an specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#create-reaction-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>
+        /// <param name="reaction">The reaction to create </param>
+        /// <returns></returns>
+        public IObservable<Reaction> Create(string owner, string name, int number, NewReaction reaction)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
+            Ensure.ArgumentNotNull(reaction, "reaction");
+
+            return _client.Create(owner, name, number, reaction).ToObservable();
+        }
+
+        /// <summary>
+        /// List reactions for a specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#list-reactions-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>        
+        /// <returns></returns>
+        public IObservable<Reaction> GetAll(string owner, string name, int number)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
+
+            return _connection.GetAndFlattenAllPages<Reaction>(ApiUrls.IssueCommentReactions(owner, name, number), AcceptHeaders.ReactionsPreview);
+        }
+    }
+}
diff --git a/Octokit.Reactive/Clients/ObservableIssueReactionsClient.cs b/Octokit.Reactive/Clients/ObservableIssueReactionsClient.cs
index ffa33fcf..8246041c 100644
--- a/Octokit.Reactive/Clients/ObservableIssueReactionsClient.cs
+++ b/Octokit.Reactive/Clients/ObservableIssueReactionsClient.cs
@@ -48,7 +48,7 @@ namespace Octokit.Reactive
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
             Ensure.ArgumentNotNullOrEmptyString(name, "name");
 
-            return _connection.GetAndFlattenAllPages<Reaction>(ApiUrls.IssueReactions(owner, name, number));
+            return _connection.GetAndFlattenAllPages<Reaction>(ApiUrls.IssueReactions(owner, name, number), AcceptHeaders.ReactionsPreview);
         }
     }
 }
diff --git a/Octokit.Reactive/Octokit.Reactive-Mono.csproj b/Octokit.Reactive/Octokit.Reactive-Mono.csproj
index 2eae99e7..8996d64c 100644
--- a/Octokit.Reactive/Octokit.Reactive-Mono.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-Mono.csproj
@@ -194,6 +194,8 @@
     <Compile Include="Clients\IObservableIssueReactionsClient.cs" />
     <Compile Include="Clients\ObservableCommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ObservableIssueReactionsClient.cs" />
+    <Compile Include="Clients\IObservableIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\ObservableIssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj b/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
index e311e3d8..38d89c8f 100644
--- a/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
@@ -202,6 +202,8 @@
     <Compile Include="Clients\IObservableIssueReactionsClient.cs" />
     <Compile Include="Clients\ObservableCommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ObservableIssueReactionsClient.cs" />
+    <Compile Include="Clients\IObservableIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\ObservableIssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
   <ItemGroup>
diff --git a/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj b/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
index 700314d5..bb68d1f0 100644
--- a/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
@@ -198,6 +198,8 @@
     <Compile Include="Clients\IObservableIssueReactionsClient.cs" />
     <Compile Include="Clients\ObservableCommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ObservableIssueReactionsClient.cs" />
+    <Compile Include="Clients\IObservableIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\ObservableIssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/Octokit.Reactive/Octokit.Reactive.csproj b/Octokit.Reactive/Octokit.Reactive.csproj
index 732721c1..a63f8014 100644
--- a/Octokit.Reactive/Octokit.Reactive.csproj
+++ b/Octokit.Reactive/Octokit.Reactive.csproj
@@ -91,6 +91,7 @@
     <Compile Include="Clients\Enterprise\ObservableEnterpriseOrganizationClient.cs" />
     <Compile Include="Clients\Enterprise\ObservableEnterpriseLicenseClient.cs" />
     <Compile Include="Clients\IObservableCommitCommentReactionsClient.cs" />
+    <Compile Include="Clients\IObservableIssueCommentReactionsClient.cs" />
     <Compile Include="Clients\IObservableIssueReactionsClient.cs" />
     <Compile Include="Clients\IObservableMigrationsClient.cs" />
     <Compile Include="Clients\IObservableMergingClient.cs" />
@@ -103,6 +104,7 @@
     <Compile Include="Clients\IObservableUserKeysClient.cs" />
     <Compile Include="Clients\IObservableReactionsClient.cs" />
     <Compile Include="Clients\ObservableCommitCommentReactionsClient.cs" />
+    <Compile Include="Clients\ObservableIssueCommentReactionsClient.cs" />
     <Compile Include="Clients\ObservableIssueReactionsClient.cs" />
     <Compile Include="Clients\ObservableMigrationsClient.cs" />
     <Compile Include="Clients\ObservableMergingClient.cs" />
diff --git a/Octokit/Clients/IIssueCommentReactionsClient.cs b/Octokit/Clients/IIssueCommentReactionsClient.cs
new file mode 100644
index 00000000..298e9046
--- /dev/null
+++ b/Octokit/Clients/IIssueCommentReactionsClient.cs
@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Octokit
+{
+    public interface IIssueCommentReactionsClient
+    {
+        /// <summary>
+        /// Creates a reaction for an specified Issue Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#create-reaction-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>
+        /// <param name="reaction">The reaction to create</param>
+        /// <returns></returns>
+        Task<Reaction> Create(string owner, string name, int number, NewReaction reaction);
+
+        /// <summary>
+        /// Get all reactions for a specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#list-reactions-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>        
+        /// <returns></returns>
+        Task<IReadOnlyList<Reaction>> GetAll(string owner, string name, int number);
+    }
+}
diff --git a/Octokit/Clients/IReactionsClient.cs b/Octokit/Clients/IReactionsClient.cs
index fc5ad5ec..d22b83e1 100644
--- a/Octokit/Clients/IReactionsClient.cs
+++ b/Octokit/Clients/IReactionsClient.cs
@@ -23,5 +23,13 @@
         /// Refer to the API documentation for more information: https://developer.github.com/v3/reactions/
         /// </remarks>
         IIssueReactionsClient Issue { get; }
+
+        /// <summary>
+        /// Access GitHub's Reactions API for Issue Comments.
+        /// </summary>
+        /// <remarks>
+        /// Refer to the API documentation for more information: https://developer.github.com/v3/reactions/
+        /// </remarks>
+        IIssueCommentReactionsClient IssueComment { get; }
     }
 }
diff --git a/Octokit/Clients/IssueCommentReactionsClient.cs b/Octokit/Clients/IssueCommentReactionsClient.cs
new file mode 100644
index 00000000..4ee05089
--- /dev/null
+++ b/Octokit/Clients/IssueCommentReactionsClient.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Octokit
+{
+    public class IssueCommentReactionsClient : ApiClient, IIssueCommentReactionsClient
+    {
+        public IssueCommentReactionsClient(IApiConnection apiConnection)
+            : base(apiConnection)
+        {
+        }
+
+        /// <summary>
+        /// Creates a reaction for an specified Issue Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#create-reaction-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>
+        /// <param name="reaction">The reaction to create</param>
+        /// <returns></returns>
+        public Task<Reaction> Create(string owner, string name, int number, NewReaction reaction)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
+            Ensure.ArgumentNotNull(reaction, "reaction");
+
+            return ApiConnection.Post<Reaction>(ApiUrls.IssueCommentReactions(owner, name, number), reaction, AcceptHeaders.ReactionsPreview);
+        }
+
+        /// <summary>
+        /// Get all reactions for a specified Commit Comment
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/repos/comments/#list-reactions-for-an-issue-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment id</param>        
+        /// <returns></returns>
+        public Task<IReadOnlyList<Reaction>> GetAll(string owner, string name, int number)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(name, "name");
+
+            return ApiConnection.GetAll<Reaction>(ApiUrls.IssueCommentReactions(owner, name, number), AcceptHeaders.ReactionsPreview);
+        }
+    }
+}
diff --git a/Octokit/Clients/ReactionsClient.cs b/Octokit/Clients/ReactionsClient.cs
index 7ef899d5..53364212 100644
--- a/Octokit/Clients/ReactionsClient.cs
+++ b/Octokit/Clients/ReactionsClient.cs
@@ -1,4 +1,6 @@
-namespace Octokit
+using System;
+
+namespace Octokit
 {
     public class ReactionsClient : ApiClient, IReactionsClient
     {
@@ -28,5 +30,13 @@
         /// Refer to the API documentation for more information: https://developer.github.com/v3/reactions/
         /// </remarks>
         public IIssueReactionsClient Issue { get; private set; }
+
+        /// <summary>
+        /// Access GitHub's Reactions API for Issue Comments.
+        /// </summary>
+        /// <remarks>
+        /// Refer to the API documentation for more information: https://developer.github.com/v3/reactions/
+        /// </remarks>
+        public IIssueCommentReactionsClient IssueComment { get; private set; }
     }
 }
diff --git a/Octokit/Octokit-Mono.csproj b/Octokit/Octokit-Mono.csproj
index 656cbe64..5e46e53c 100644
--- a/Octokit/Octokit-Mono.csproj
+++ b/Octokit/Octokit-Mono.csproj
@@ -469,11 +469,13 @@
     <Compile Include="Models\Request\NewReaction.cs" />
     <Compile Include="Models\Response\Reaction.cs" />
     <Compile Include="Clients\ReactionsClient.cs" />
-    <Compile Include="Clients\IReactionsClient.cs" />    
+    <Compile Include="Clients\IReactionsClient.cs" />
     <Compile Include="Clients\CommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ICommitCommentReactionsClient.cs" />
     <Compile Include="Clients\IIssueReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/Octokit/Octokit-MonoAndroid.csproj b/Octokit/Octokit-MonoAndroid.csproj
index d04b6021..d9d8efbe 100644
--- a/Octokit/Octokit-MonoAndroid.csproj
+++ b/Octokit/Octokit-MonoAndroid.csproj
@@ -480,11 +480,13 @@
     <Compile Include="Models\Request\NewReaction.cs" />
     <Compile Include="Models\Response\Reaction.cs" />
     <Compile Include="Clients\ReactionsClient.cs" />
-    <Compile Include="Clients\IReactionsClient.cs" />    
+    <Compile Include="Clients\IReactionsClient.cs" />
     <Compile Include="Clients\CommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ICommitCommentReactionsClient.cs" />
     <Compile Include="Clients\IIssueReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/Octokit/Octokit-Monotouch.csproj b/Octokit/Octokit-Monotouch.csproj
index e2d9466c..3858e96f 100644
--- a/Octokit/Octokit-Monotouch.csproj
+++ b/Octokit/Octokit-Monotouch.csproj
@@ -476,11 +476,13 @@
     <Compile Include="Models\Request\NewReaction.cs" />
     <Compile Include="Models\Response\Reaction.cs" />
     <Compile Include="Clients\ReactionsClient.cs" />
-    <Compile Include="Clients\IReactionsClient.cs" />    
+    <Compile Include="Clients\IReactionsClient.cs" />
     <Compile Include="Clients\CommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ICommitCommentReactionsClient.cs" />
     <Compile Include="Clients\IIssueReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.MonoTouch.CSharp.targets" />
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
diff --git a/Octokit/Octokit-Portable.csproj b/Octokit/Octokit-Portable.csproj
index f39ff5fc..1e93e924 100644
--- a/Octokit/Octokit-Portable.csproj
+++ b/Octokit/Octokit-Portable.csproj
@@ -466,11 +466,13 @@
     <Compile Include="Models\Request\NewReaction.cs" />
     <Compile Include="Models\Response\Reaction.cs" />
     <Compile Include="Clients\ReactionsClient.cs" />
-    <Compile Include="Clients\IReactionsClient.cs" />    
+    <Compile Include="Clients\IReactionsClient.cs" />
     <Compile Include="Clients\CommitCommentReactionsClient.cs" />
     <Compile Include="Clients\ICommitCommentReactionsClient.cs" />
     <Compile Include="Clients\IIssueReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
   </ItemGroup>
   <ItemGroup>
     <CodeAnalysisDictionary Include="..\CustomDictionary.xml">
diff --git a/Octokit/Octokit-netcore45.csproj b/Octokit/Octokit-netcore45.csproj
index b2036f65..43aa1886 100644
--- a/Octokit/Octokit-netcore45.csproj
+++ b/Octokit/Octokit-netcore45.csproj
@@ -478,6 +478,8 @@
     <Compile Include="Clients\IIssueReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
     <Compile Include="Models\Response\Reaction.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
   </ItemGroup>
   <ItemGroup>
     <CodeAnalysisDictionary Include="..\CustomDictionary.xml">
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index 55215602..3d3ca2fb 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -59,7 +59,9 @@
     </Compile>
     <Compile Include="Clients\ActivitiesClient.cs" />
     <Compile Include="Clients\ICommitCommentReactionsClient.cs" />
+    <Compile Include="Clients\IIssueCommentReactionsClient.cs" />
     <Compile Include="Clients\IIssueReactionsClient.cs" />
+    <Compile Include="Clients\IssueCommentReactionsClient.cs" />
     <Compile Include="Clients\IssueReactionsClient.cs" />
     <Compile Include="Clients\MigrationsClient.cs" />
     <Compile Include="Clients\Enterprise\EnterpriseAdminStatsClient.cs" />