diff --git a/Readme.md b/Readme.md
index 9bbbe91..c7d2d4d 100644
--- a/Readme.md
+++ b/Readme.md
@@ -32,6 +32,19 @@ new UriBuilder("https://awesome.com/yo)
 ```
 result: `https://awesome.com/yo?id=5`
 
+you can even pass a dictionary of parameters
+
+```csharp
+            var dictionary = new Dictionary<string, string>()
+            {
+                ["yo"] = "dawg"
+            };
+            new UriBuilder("http://awesome.com")
+                    .WithParameter(dictionary);
+            http://awesome.com/?yo=dawg
+
+```
+
 ## Getting started
 
 Just install the nuget package `install-package UriBuilder.Fluent` and thats it. The extension methods should be available to you!
\ No newline at end of file
diff --git a/src/UriBuilder.Fluent.UnitTests/ExtensionTests.cs b/src/UriBuilder.Fluent.UnitTests/ExtensionTests.cs
index 308880a..548a78c 100644
--- a/src/UriBuilder.Fluent.UnitTests/ExtensionTests.cs
+++ b/src/UriBuilder.Fluent.UnitTests/ExtensionTests.cs
@@ -116,5 +116,19 @@ namespace FluentUriBuilder.Tests
                     .WithParameter("supgf", "no22");
             Assert.Equal("http://awesome.com/?awesome=yodawg&supg=no2&supgf=no22", url.Uri.ToString());
         }
+
+        [Fact]
+        public void AddDictOfParams()
+        {
+            var dictionary = new Dictionary<string, string>()
+            {
+                ["yo"] = "dawg",
+                ["troll"] = "toll",
+                ["hammer"] = string.Empty
+            };
+            var url = new UriBuilder("http://awesome.com")
+                    .WithParameter(dictionary);
+            Assert.Equal("http://awesome.com/?yo=dawg&troll=toll&hammer", url.Uri.ToString());
+        }
     }
 }
\ No newline at end of file
diff --git a/src/UriBuilder.Fluent.UnitTests/ThrowsTests.cs b/src/UriBuilder.Fluent.UnitTests/ThrowsTests.cs
index 012070c..e055915 100644
--- a/src/UriBuilder.Fluent.UnitTests/ThrowsTests.cs
+++ b/src/UriBuilder.Fluent.UnitTests/ThrowsTests.cs
@@ -16,6 +16,7 @@ namespace FluentUriBuilder.Tests
             Assert.Throws<ArgumentNullException>(() => tstObj.WithPathSegment(null));
             Assert.Throws<ArgumentNullException>(() => tstObj.WithScheme(null));
             Assert.Throws<ArgumentNullException>(() => tstObj.WithHost(null));
+            Assert.Throws<ArgumentNullException>(() => tstObj.WithParameter(parameterDictionary: null));
             Assert.Throws<ArgumentOutOfRangeException>(() => tstObj.WithPort(-1));
         }
     }
diff --git a/src/UriBuilder.Fluent/TerribleDevUriExtensions.cs b/src/UriBuilder.Fluent/TerribleDevUriExtensions.cs
index ac3f8ea..466c374 100644
--- a/src/UriBuilder.Fluent/TerribleDevUriExtensions.cs
+++ b/src/UriBuilder.Fluent/TerribleDevUriExtensions.cs
@@ -8,8 +8,38 @@ namespace System
 {
     public static class TerribleDevUriExtensions
     {
+        /// <summary>
+        /// Appends a query string parameter with a key, and many values. Multiple values will be comma seperated. If only 1 value is passed and its null or value, the key will be added to the QS.
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="key"></param>
+        /// <param name="values"></param>
+        /// <returns></returns>
         public static UriBuilder WithParameter(this UriBuilder bld, string key, params string[] values) => bld.WithParameter(key, valuesEnum: values);
 
+        /// <summary>
+        /// Appends query strings from dictionary
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="parameterDictionary"></param>
+        /// <returns></returns>
+        public static UriBuilder WithParameter(this UriBuilder bld, IDictionary<string, string> parameterDictionary)
+        {
+            if(parameterDictionary == null) throw new ArgumentNullException(nameof(parameterDictionary));
+            foreach(var item in parameterDictionary)
+            {
+                bld.WithParameter(item.Key, item.Value);
+            }
+            return bld;
+        }
+
+        /// <summary>
+        /// Appends a query string parameter with a key, and many values. Multiple values will be comma seperated. If only 1 value is passed and its null or value, the key will be added to the QS.
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="key"></param>
+        /// <param name="valuesEnum"></param>
+        /// <returns></returns>
         public static UriBuilder WithParameter(this UriBuilder bld, string key, IEnumerable<object> valuesEnum)
         {
             if(string.IsNullOrWhiteSpace(key))
@@ -20,8 +50,7 @@ namespace System
             {
                 valuesEnum = new string[0];
             }
-            var isfirst = string.IsNullOrWhiteSpace(bld.Query);
-            var intitialValue = isfirst ? "" : $"{bld.Query.TrimStart('?')}&";
+            var intitialValue = string.IsNullOrWhiteSpace(bld.Query) ? "" : $"{bld.Query.TrimStart('?')}&";
             var sb = new StringBuilder($"{intitialValue}{key}");
             var validValueHit = false;
             foreach(var value in valuesEnum)
@@ -37,6 +66,13 @@ namespace System
             return bld;
         }
 
+        /// <summary>
+        /// Sets the port to be the port number
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="port"></param>
+        /// <exception cref="ArgumentOutOfRangeException">Throws if port is less than one</exception>
+        /// <returns></returns>
         public static UriBuilder WithPort(this UriBuilder bld, int port)
         {
             if(port < 1) throw new ArgumentOutOfRangeException(nameof(port));
@@ -44,6 +80,13 @@ namespace System
             return bld;
         }
 
+        /// <summary>
+        /// appends a path segment to the path. Can be called multiple times to append multiple segments
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="pathSegment"></param>
+        /// <exception cref="ArgumentNullException">You pass a string as a path segment</exception>
+        /// <returns></returns>
         public static UriBuilder WithPathSegment(this UriBuilder bld, string pathSegment)
         {
             if(string.IsNullOrWhiteSpace(pathSegment))
@@ -55,6 +98,13 @@ namespace System
             return bld;
         }
 
+        /// <summary>
+        /// Sets your Uri Scheme
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="scheme"></param>
+        /// <exception cref="ArgumentNullException">You must pass a scheme</exception>
+        /// <returns></returns>
         public static UriBuilder WithScheme(this UriBuilder bld, string scheme)
         {
             if(string.IsNullOrWhiteSpace(scheme)) throw new ArgumentNullException(nameof(scheme));
@@ -62,6 +112,13 @@ namespace System
             return bld;
         }
 
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="host"></param>
+        /// <exception cref="ArgumentNullException">You must pass a ho0st</exception>
+        /// <returns></returns>
         public static UriBuilder WithHost(this UriBuilder bld, string host)
         {
             if(string.IsNullOrWhiteSpace(host)) throw new ArgumentNullException(nameof(host));
@@ -69,6 +126,12 @@ namespace System
             return bld;
         }
 
+        /// <summary>
+        /// Use Https?
+        /// </summary>
+        /// <param name="bld"></param>
+        /// <param name="predicate">default true, if false sets scheme to http</param>
+        /// <returns></returns>
         public static UriBuilder UseHttps(this UriBuilder bld, bool predicate = true)
         {
             bld.Scheme = predicate ? "https" : "http";