diff --git a/SteamStorefrontAPI/Endpoints/AppDetails.cs b/SteamStorefrontAPI/Endpoints/AppDetails.cs
index 0a09f24..881c5a4 100644
--- a/SteamStorefrontAPI/Endpoints/AppDetails.cs
+++ b/SteamStorefrontAPI/Endpoints/AppDetails.cs
@@ -9,21 +9,33 @@ using System.Threading.Tasks;
 
 namespace SteamStorefrontAPI
 {
+    /// <summary>
+    /// Endpoint returning details for an application in the steam store.</summary>  
     public static class AppDetails
     {
         private static HttpClient client = new HttpClient();
         private const string steamBaseUri = "http://store.steampowered.com/api/appdetails";
 
+        /// Retrieves details for the specified application via an asynchronous operation.</summary>  
+        /// <param name="AppId">Steam App ID.</param>
         public static async Task<SteamApp> GetAsync(int AppId)
         {
             return await GetAsync(AppId, "", "");
         }
 
+        /// Retrieves details for the specified application via an asynchronous operation.</summary>  
+        /// <param name="AppId">Steam App ID.</param>
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
         public static async Task<SteamApp> GetAsync(int AppId, string CountryCode)
         {
             return await GetAsync(AppId, CountryCode, "");
         }
 
+        /// <summary>
+        /// Retrieves details for the specified application via an asynchronous operation.</summary>  
+        /// <param name="AppId">Steam App ID.</param>
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
+        /// <param name="Language">Full name of the language in english used for string localization e.g. title, description, release dates.</param>
         public static async Task<SteamApp> GetAsync(int AppId, string CountryCode, string Language)
         {
             string steamUri = $"{steamBaseUri}?appids={AppId}";
diff --git a/SteamStorefrontAPI/Endpoints/Featured.cs b/SteamStorefrontAPI/Endpoints/Featured.cs
index a9f7220..352bbe9 100644
--- a/SteamStorefrontAPI/Endpoints/Featured.cs
+++ b/SteamStorefrontAPI/Endpoints/Featured.cs
@@ -9,22 +9,32 @@ using System.Threading.Tasks;
 
 namespace SteamStorefrontAPI
 {
+    /// <summary>
+    /// Endpoint returning a list of featured items in the steam store.</summary>  
     public static class Featured
     {
         private static HttpClient client = new HttpClient();
         private const string steamBaseUri = "https://store.steampowered.com/api/featured";
 
-
+        /// <summary>
+        /// Retrieves a list of featured items via an asynchronous operation.</summary>  
         public static async Task<FeaturedApps> GetAsync()
         {
             return await GetAsync(null, null);
         }
 
+        /// <summary>
+        /// Retrieves a list of featured items via an asynchronous operation.</summary>  
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
         public static async Task<FeaturedApps> GetAsync(string CountryCode)
         {
             return await GetAsync(CountryCode, null);
         }
 
+        /// <summary>
+        /// Retrieves a list of featured items via an asynchronous operation.</summary>  
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
+        /// <param name="Language">Full name of the language in english used for string localization e.g. name, description.</param>
         public static async Task<FeaturedApps> GetAsync(string CountryCode, string Language)
         {
             string steamUri = steamBaseUri;
diff --git a/SteamStorefrontAPI/Endpoints/FeaturedCategories.cs b/SteamStorefrontAPI/Endpoints/FeaturedCategories.cs
index 1724392..5aa1ed8 100644
--- a/SteamStorefrontAPI/Endpoints/FeaturedCategories.cs
+++ b/SteamStorefrontAPI/Endpoints/FeaturedCategories.cs
@@ -9,21 +9,32 @@ using System.Threading.Tasks;
 
 namespace SteamStorefrontAPI
 {
+    /// <summary>
+    /// Endpoint returning a list of featured items, grouped by category, in the steam store.</summary>  
     public static class FeaturedCategories
     {
         private static HttpClient client = new HttpClient();
         private const string steamBaseUri = "https://store.steampowered.com/api/featuredcategories";
 
+        /// <summary>
+        /// Retrieves a list of featured items, grouped by category, via an asynchronous operation.</summary>  
         public static async Task<List<FeaturedCategory>> GetAsync()
         {
             return await GetAsync(null, null);
         }
 
+        /// <summary>
+        /// Retrieves a list of featured items, grouped by category, via an asynchronous operation.</summary>  
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
         public static async Task<List<FeaturedCategory>> GetAsync(string CountryCode)
         {
             return await GetAsync(CountryCode, null);
         }
 
+        /// <summary>
+        /// Retrieves a list of featured items, grouped by category, via an asynchronous operation.</summary>  
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
+        /// <param name="Language">Full name of the language in english used for string localization e.g. name, description.</param>
         public static async Task<List<FeaturedCategory>> GetAsync(string CountryCode, string Language)
         {
             string steamUri = steamBaseUri;
diff --git a/SteamStorefrontAPI/Endpoints/PackageDetails.cs b/SteamStorefrontAPI/Endpoints/PackageDetails.cs
index 0093ce9..37a3db5 100644
--- a/SteamStorefrontAPI/Endpoints/PackageDetails.cs
+++ b/SteamStorefrontAPI/Endpoints/PackageDetails.cs
@@ -9,21 +9,35 @@ using System.Threading.Tasks;
 
 namespace SteamStorefrontAPI
 {
+    /// <summary>
+    /// Endpoint returning details for a package in the steam store.</summary>  
     public static class PackageDetails
     {
         private static HttpClient client = new HttpClient();
         private const string steamBaseUri = "http://store.steampowered.com/api/packagedetails";
 
+        /// <summary>
+        /// Retrieves details for the specified package via an asynchronous operation.</summary>  
+        /// <param name="PackageId">Steam package ID.</param>
         public static async Task<PackageInfo> GetAsync(int PackageId)
         {
             return await GetAsync(PackageId, null, null);
         }
 
+        /// <summary>
+        /// Retrieves details for the specified package via an asynchronous operation.</summary>  
+        /// <param name="PackageId">Steam package ID.</param>
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
         public static async Task<PackageInfo> GetAsync(int PackageId, string CountryCode)
         {
             return await GetAsync(PackageId, CountryCode, null);
         }
 
+        /// <summary>
+        /// Retrieves details for the specified package via an asynchronous operation.</summary>  
+        /// <param name="PackageId">Steam package ID.</param>
+        /// <param name="CountryCode">Two letter country code to customise currency and date values.</param>
+        /// <param name="Language">Full name of the language in english used for string localization e.g. title, description, release dates.</param>
         public static async Task<PackageInfo> GetAsync(int PackageId, string CountryCode, string Language)
         {
             string steamUri = $"{steamBaseUri}?packageids={PackageId}";