diff --git a/packages/dotnet/ReadMe/HarJsonTranslationLogics/HarJsonBuilder.cs b/packages/dotnet/ReadMe/HarJsonTranslationLogics/HarJsonBuilder.cs
index 32a0d105a..56b701e01 100644
--- a/packages/dotnet/ReadMe/HarJsonTranslationLogics/HarJsonBuilder.cs
+++ b/packages/dotnet/ReadMe/HarJsonTranslationLogics/HarJsonBuilder.cs
@@ -5,7 +5,6 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
-using Newtonsoft.Json;
 using ReadMe.HarJsonObjectModels;
 
 namespace ReadMe.HarJsonTranslationLogics
@@ -28,7 +27,7 @@ public HarJsonBuilder(RequestDelegate next, HttpContext context, IConfiguration
       this.configValues = configValues;
     }
 
-    public async Task<string> BuildHar()
+    internal async Task<Root> BuildHar()
     {
       Root harObj = new Root();
       harObj._id = Guid.NewGuid().ToString();
@@ -37,8 +36,7 @@ public async Task<string> BuildHar()
       harObj.clientIPAddress = this.context.Connection.RemoteIpAddress.ToString();
       harObj.group = this.BuildGroup();
       harObj.request = new RequestMain(await this.BuildLog());
-      string harJsonObj = JsonConvert.SerializeObject(new List<Root>() { harObj });
-      return harJsonObj;
+      return harObj;
     }
 
     private Group BuildGroup()
diff --git a/packages/dotnet/ReadMe/HarJsonTranslationLogics/ReadmeApiCaller.cs b/packages/dotnet/ReadMe/HarJsonTranslationLogics/ReadmeApiCaller.cs
index c90b4f8f1..fb0aa33fe 100644
--- a/packages/dotnet/ReadMe/HarJsonTranslationLogics/ReadmeApiCaller.cs
+++ b/packages/dotnet/ReadMe/HarJsonTranslationLogics/ReadmeApiCaller.cs
@@ -7,12 +7,12 @@ namespace ReadMe.HarJsonTranslationLogics
 {
   class ReadMeApiCaller
   {
-    private readonly string harJsonObject;
+    private readonly string harJsonObjects;
     private readonly string apiKey;
 
-    public ReadMeApiCaller(string harJsonObject, string apiKey)
+    public ReadMeApiCaller(string harJsonObjects, string apiKey)
     {
-      this.harJsonObject = harJsonObject;
+      this.harJsonObjects = harJsonObjects;
       this.apiKey = apiKey;
     }
 
@@ -25,7 +25,7 @@ public void SendHarObjToReadMeApi(bool fireAndForget)
         request.AddHeader("Content-Type", "application/json");
         string apiKey = "Basic " + Convert.ToBase64String(Encoding.UTF8.GetBytes(this.apiKey + ":"));
         request.AddHeader("Authorization", apiKey);
-        request.AddParameter("application/json", this.harJsonObject, ParameterType.RequestBody);
+        request.AddParameter("application/json", this.harJsonObjects, ParameterType.RequestBody);
         if (fireAndForget)
         {
           client.ExecuteAsync(request);
diff --git a/packages/dotnet/ReadMe/Metrics.cs b/packages/dotnet/ReadMe/Metrics.cs
index 417a47776..b42849b0e 100644
--- a/packages/dotnet/ReadMe/Metrics.cs
+++ b/packages/dotnet/ReadMe/Metrics.cs
@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
+using Newtonsoft.Json;
 using ReadMe.HarJsonObjectModels;
 using ReadMe.HarJsonTranslationLogics;
 
@@ -11,12 +12,14 @@ public class Metrics
   {
     private readonly RequestDelegate next;
     private readonly IConfiguration configuration;
+    private readonly List<Root> harQueue;
     private Group group;
 
     public Metrics(RequestDelegate next, IConfiguration configuration)
     {
       this.next = next;
       this.configuration = configuration;
+      this.harQueue = new List<Root>();
     }
 
     public async Task InvokeAsync(HttpContext context)
@@ -44,9 +47,18 @@ public async Task InvokeAsync(HttpContext context)
             context.Request.EnableBuffering();
             HarJsonBuilder harJsonBuilder = new HarJsonBuilder(this.next, context, this.configuration, configValues);
 
-            string harJsonObj = await harJsonBuilder.BuildHar();
-            ReadMeApiCaller readmeApiCaller = new ReadMeApiCaller(harJsonObj, configValues.apiKey);
-            readmeApiCaller.SendHarObjToReadMeApi(configValues.options.fireAndForget);
+            var harObj = await harJsonBuilder.BuildHar();
+            lock (this.harQueue)
+            {
+              this.harQueue.Add(harObj);
+              if (this.harQueue.Count >= configValues.options.bufferLength)
+              {
+                string serializaedHars = JsonConvert.SerializeObject(this.harQueue);
+                ReadMeApiCaller readmeApiCaller = new ReadMeApiCaller(serializaedHars, configValues.apiKey);
+                readmeApiCaller.SendHarObjToReadMeApi(configValues.options.fireAndForget);
+                this.harQueue.Clear();
+              }
+            }
           }
           else
           {