diff --git a/dotnet/src/webdriver/DevTools/v130/V130Network.cs b/dotnet/src/webdriver/DevTools/v130/V130Network.cs
index c76a972c84c49..8250ea6244de9 100644
--- a/dotnet/src/webdriver/DevTools/v130/V130Network.cs
+++ b/dotnet/src/webdriver/DevTools/v130/V130Network.cs
@@ -153,7 +153,7 @@ public override async Task ContinueRequest(HttpRequestData requestData)
                 Url = requestData.Url,
             };
 
-            if (requestData.Headers.Count > 0)
+            if (requestData.Headers?.Count > 0)
             {
                 List<HeaderEntry> headers = new List<HeaderEntry>();
                 foreach (KeyValuePair<string, string> headerPair in requestData.Headers)
diff --git a/dotnet/src/webdriver/DevTools/v131/V131Network.cs b/dotnet/src/webdriver/DevTools/v131/V131Network.cs
index a634125e6d021..48b99c4ba2034 100644
--- a/dotnet/src/webdriver/DevTools/v131/V131Network.cs
+++ b/dotnet/src/webdriver/DevTools/v131/V131Network.cs
@@ -153,7 +153,7 @@ public override async Task ContinueRequest(HttpRequestData requestData)
                 Url = requestData.Url,
             };
 
-            if (requestData.Headers.Count > 0)
+            if (requestData.Headers?.Count > 0)
             {
                 List<HeaderEntry> headers = new List<HeaderEntry>();
                 foreach (KeyValuePair<string, string> headerPair in requestData.Headers)
diff --git a/dotnet/src/webdriver/DevTools/v132/V132Network.cs b/dotnet/src/webdriver/DevTools/v132/V132Network.cs
index d5b66f4d4f58c..05b474be8364e 100644
--- a/dotnet/src/webdriver/DevTools/v132/V132Network.cs
+++ b/dotnet/src/webdriver/DevTools/v132/V132Network.cs
@@ -153,7 +153,7 @@ public override async Task ContinueRequest(HttpRequestData requestData)
                 Url = requestData.Url,
             };
 
-            if (requestData.Headers.Count > 0)
+            if (requestData.Headers?.Count > 0)
             {
                 List<HeaderEntry> headers = new List<HeaderEntry>();
                 foreach (KeyValuePair<string, string> headerPair in requestData.Headers)
diff --git a/dotnet/src/webdriver/DevTools/v85/V85Network.cs b/dotnet/src/webdriver/DevTools/v85/V85Network.cs
index 77e8174b8c720..8ca317383aa35 100644
--- a/dotnet/src/webdriver/DevTools/v85/V85Network.cs
+++ b/dotnet/src/webdriver/DevTools/v85/V85Network.cs
@@ -153,7 +153,7 @@ public override async Task ContinueRequest(HttpRequestData requestData)
                 Url = requestData.Url,
             };
 
-            if (requestData.Headers.Count > 0)
+            if (requestData.Headers?.Count > 0)
             {
                 List<HeaderEntry> headers = new List<HeaderEntry>();
                 foreach (KeyValuePair<string, string> headerPair in requestData.Headers)
@@ -304,7 +304,7 @@ public override async Task AddResponseBody(HttpResponseData responseData)
         }
 
         /// <summary>
-        /// Asynchronously contines an intercepted network response without modification.
+        /// Asynchronously contiunes an intercepted network response without modification.
         /// </summary>
         /// <param name="responseData">The <see cref="HttpResponseData"/> of the network response.</param>
         /// <returns>A task that represents the asynchronous operation.</returns>
diff --git a/dotnet/src/webdriver/HttpRequestData.cs b/dotnet/src/webdriver/HttpRequestData.cs
index e1f0db6a86e81..72acf607f3f92 100644
--- a/dotnet/src/webdriver/HttpRequestData.cs
+++ b/dotnet/src/webdriver/HttpRequestData.cs
@@ -31,12 +31,11 @@ public class HttpRequestData
         /// <summary>
         /// Initializes a new instance of the <see cref="HttpRequestData"/> type.
         /// </summary>
-        /// <param name="method">The method of the HTTP request.</param>
-        /// <param name="url">The URL of the HTTP request.</param>
-        /// <param name="postData">The POST data of the HTTP request.</param>
-        /// <param name="headers">The headers of the HTTP request.</param>
-        /// <param name="requestId">The ID of the HTTP request.</param>
-        public HttpRequestData(string method, string url, string? postData, Dictionary<string, string> headers, string requestId)
+        public HttpRequestData()
+        {
+        }
+
+        internal HttpRequestData(string? method, string? url, string? postData, Dictionary<string, string>? headers, string? requestId)
         {
             this.Method = method;
             this.Url = url;
@@ -48,12 +47,12 @@ public HttpRequestData(string method, string url, string? postData, Dictionary<s
         /// <summary>
         /// Gets the method of the HTTP request.
         /// </summary>
-        public string Method { get; set; }
+        public string? Method { get; set; }
 
         /// <summary>
         /// Gets the URL of the HTTP request.
         /// </summary>
-        public string Url { get; set; }
+        public string? Url { get; set; }
 
         /// <summary>
         /// Gets the POST data of the HTTP request, if any.
@@ -63,11 +62,11 @@ public HttpRequestData(string method, string url, string? postData, Dictionary<s
         /// <summary>
         /// Gets the headers of the HTTP request.
         /// </summary>
-        public Dictionary<string, string> Headers { get; set; }
+        public Dictionary<string, string>? Headers { get; set; }
 
         /// <summary>
         /// Gets the ID of the HTTP request.
         /// </summary>
-        public string RequestId { get; }
+        public string? RequestId { get; }
     }
 }
diff --git a/dotnet/src/webdriver/NetworkRequestSentEventArgs.cs b/dotnet/src/webdriver/NetworkRequestSentEventArgs.cs
index 33e43a04ff8b1..a88ba90b7cf7a 100644
--- a/dotnet/src/webdriver/NetworkRequestSentEventArgs.cs
+++ b/dotnet/src/webdriver/NetworkRequestSentEventArgs.cs
@@ -41,26 +41,29 @@ public NetworkRequestSentEventArgs(HttpRequestData requestData)
             this.RequestUrl = requestData.Url;
             this.RequestMethod = requestData.Method;
             this.RequestPostData = requestData.PostData;
-            foreach (KeyValuePair<string, string> header in requestData.Headers)
+            if (requestData.Headers != null)
             {
-                this.requestHeaders[header.Key] = header.Value;
+                foreach (KeyValuePair<string, string> header in requestData.Headers)
+                {
+                    this.requestHeaders[header.Key] = header.Value;
+                }
             }
         }
 
         /// <summary>
         /// Gets the internal request ID of the network request.
         /// </summary>
-        public string RequestId { get; }
+        public string? RequestId { get; }
 
         /// <summary>
         /// Gets the URL of the network request.
         /// </summary>
-        public string RequestUrl { get; }
+        public string? RequestUrl { get; }
 
         /// <summary>
         /// Gets the HTTP method of the network request.
         /// </summary>
-        public string RequestMethod { get; }
+        public string? RequestMethod { get; }
 
         /// <summary>
         /// Gets the post data of the network request, if any.