diff --git a/Octokit/Http/IConnection.cs b/Octokit/Http/IConnection.cs
index a7c01b13..94862b84 100644
--- a/Octokit/Http/IConnection.cs
+++ b/Octokit/Http/IConnection.cs
@@ -5,23 +5,100 @@ using System.Threading.Tasks;
 
 namespace Octokit
 {
+    /// <summary>
+    /// A connection for making HTTP requests against URI endpoints.
+    /// </summary>
     public interface IConnection
     {
+        /// <summary>
+        /// Performs an asynchronous HTTP GET request that expects a <seealso cref="IResponse"/> containing HTML.
+        /// </summary>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="parameters">Querystring parameters for the request</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<string>> GetHtml(Uri uri, IDictionary<string, string> parameters);
+
+        /// <summary>
+        /// Performs an asynchronous HTTP GET request.
+        /// Attempts to map the response to an object of type <typeparamref name="T"/>
+        /// </summary>
+        /// <typeparam name="T">The type to map the response to</typeparam>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="parameters">Querystring parameters for the request</param>
+        /// <param name="accepts">Specifies accepted response media types.</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<T>> GetAsync<T>(Uri uri, IDictionary<string, string> parameters, string accepts);
+
+        /// <summary>
+        /// Performs an asynchronous HTTP PATCH request.
+        /// Attempts to map the response body to an object of type <typeparamref name="T"/>
+        /// </summary>
+        /// <typeparam name="T">The type to map the response to</typeparam>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="body">The object to serialize as the body of the request</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<T>> PatchAsync<T>(Uri uri, object body);
+
+        /// <summary>
+        /// Performs an asynchronous HTTP POST request.
+        /// Attempts to map the response body to an object of type <typeparamref name="T"/>
+        /// </summary>
+        /// <typeparam name="T">The type to map the response to</typeparam>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="body">The object to serialize as the body of the request</param>
+        /// <param name="accepts">Specifies accepted response media types.</param>
+        /// <param name="contentType">Specifies the media type of the request body</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<T>> PostAsync<T>(Uri uri, object body, string accepts, string contentType);
+
+        /// <summary>
+        /// Performs an asynchronous HTTP PUT request.
+        /// Attempts to map the response body to an object of type <typeparamref name="T"/>
+        /// </summary>
+        /// <typeparam name="T">The type to map the response to</typeparam>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="body">The body of the request</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<T>> PutAsync<T>(Uri uri, object body);
+
+        /// <summary>
+        /// Performs an asynchronous HTTP PUT request using the provided two factor authentication code.
+        /// Attempts to map the response body to an object of type <typeparamref name="T"/>
+        /// </summary>
+        /// <typeparam name="T">The type to map the response to</typeparam>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <param name="body">The object to serialize as the body of the request</param>
+        /// <param name="twoFactorAuthenticationCode">Two factory authentication code to use</param>
+        /// <returns><seealso cref="IResponse"/> representing the received HTTP response</returns>
         Task<IResponse<T>> PutAsync<T>(Uri uri, object body, string twoFactorAuthenticationCode);
-        
+
+        /// <summary>
+        /// Performs an asynchronous HTTP PUT request that expects an empty response.
+        /// </summary>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <returns>The returned <seealso cref="HttpStatusCode"/></returns>
         Task<HttpStatusCode> PutAsync(Uri uri);
 
+        /// <summary>
+        /// Performs an asynchronous HTTP DELETE request that expects an empty response.
+        /// </summary>
+        /// <param name="uri">URI endpoint to send request to</param>
+        /// <returns>The returned <seealso cref="HttpStatusCode"/></returns>
         Task<HttpStatusCode> DeleteAsync(Uri uri);
 
+        /// <summary>
+        /// Base address for the connection.
+        /// </summary>
         Uri BaseAddress { get; }
 
+        /// <summary>
+        /// Gets the <seealso cref="ICredentialStore"/> used to provide credentials for the connection.
+        /// </summary>
         ICredentialStore CredentialStore { get; }
 
+        /// <summary>
+        /// Gets or sets the credentials used by the connection.
+        /// </summary>
         Credentials Credentials { get; set; }
     }
 }