diff --git a/sample/CountryData.Sample.Console/Program.cs b/sample/CountryData.Sample.Console/Program.cs
index 1f8e8d4..a4d4c20 100644
--- a/sample/CountryData.Sample.Console/Program.cs
+++ b/sample/CountryData.Sample.Console/Program.cs
@@ -1,4 +1,5 @@
-using CountryData.Standard;
+
+using CountryData.Standard;
 
 /// <summary>
 /// Main program class for demonstrating the use of the CountryData library.
@@ -13,7 +14,7 @@ class Program
     /// <summary>
     /// Entry point of the program.
     /// </summary>
-    static void Main()
+    public static void Main()
     {
         GetCountries();
         GetCountryByCode("US");
@@ -111,7 +112,7 @@ static void GetCountryByPhoneCode(string phoneCode)
         Console.WriteLine($"Countries for phone code {phoneCode}:");
         foreach (var country in countries)
         {
-            Console.WriteLine(country.CountryName); 
+            Console.WriteLine(country.CountryName);
         }
     }
 
diff --git a/sample/CountryData.Sample.Web.API/Controllers/CountryController.cs b/sample/CountryData.Sample.Web.API/Controllers/CountryController.cs
index 2707d24..7deec23 100644
--- a/sample/CountryData.Sample.Web.API/Controllers/CountryController.cs
+++ b/sample/CountryData.Sample.Web.API/Controllers/CountryController.cs
@@ -23,6 +23,8 @@ public CountryController(CountryHelper helper)
         /// </summary>
         /// <returns>A list of all countries. If no countries are found, a NotFound result is returned.</returns>
         [HttpGet]
+        [ProducesResponseType(typeof(IEnumerable<Country>), 200)]
+        [ProducesResponseType(404)]
         public IActionResult GetCountries()
         {
             var countries = _helper.GetCountries();
@@ -41,6 +43,8 @@ public IActionResult GetCountries()
         /// <param name="countryCode">The ISO country code.</param>
         /// <returns>The data for the specified country. If no data is found, a NotFound result is returned.</returns>
         [HttpGet("country")]
+        [ProducesResponseType(typeof(Country), 200)]
+        [ProducesResponseType(404)]
         public IActionResult GetCountryByCode([FromQuery] string countryCode)
         {
             var country = _helper.GetCountryByCode(countryCode);
@@ -52,8 +56,6 @@ public IActionResult GetCountryByCode([FromQuery] string countryCode)
         }
 
 
-
-
         /// <summary>
         /// Returns comprehensive data for all countries.
         /// </summary>
@@ -62,6 +64,8 @@ public IActionResult GetCountryByCode([FromQuery] string countryCode)
         /// If no data is found, a NotFound result is 
 
         [HttpGet("countries")]
+        [ProducesResponseType(typeof(IEnumerable<Country>), 200)]
+        [ProducesResponseType(404)]
         public IActionResult GetCountryData()
         {
             var country = _helper.GetCountryData();
@@ -70,16 +74,18 @@ public IActionResult GetCountryData()
                 return NotFound();
             }
             return Ok(country);
-
         }
 
 
+
         /// <summary>
         /// Retrieves the regions for a given country code.
         /// </summary>
         /// <param name="countryCode">The ISO country code.</param>
         /// <returns>A list of regions for the specified country. If no regions are found, a NotFound result is returned.</returns>
         [HttpGet("regions")]
+        [ProducesResponseType(typeof(IEnumerable<Regions>), 200)]
+        [ProducesResponseType(404)]
         public IActionResult GetRegionsByCountryCode([FromQuery] string countryCode)
         {
             var regions = _helper.GetRegionByCountryCode(countryCode);
@@ -91,21 +97,21 @@ public IActionResult GetRegionsByCountryCode([FromQuery] string countryCode)
         }
 
 
-
         /// <summary>
         /// Retrieves the emoji flag for a given country short code.
         /// </summary>
         /// <param name="shortCode">The short code of the country.</param>
         /// <returns>The emoji flag for the specified country. If no flag is found, a NotFound result is returned.</returns>
         [HttpGet("flag")]
-        public IActionResult GetCountryFlag([FromQuery] string shortCode)
+        [ProducesResponseType(typeof(string), 200)]
+        [ProducesResponseType(404)]
+        public IActionResult GetCountryFlag([FromQuery] string countryCode)
         {
-            var flag = _helper.GetCountryEmojiFlag(shortCode);
+            var flag = _helper.GetCountryEmojiFlag(countryCode);
             if (flag == null)
             {
                 return NotFound();
             }
-
             return Ok(flag);
         }
 
@@ -116,14 +122,15 @@ public IActionResult GetCountryFlag([FromQuery] string shortCode)
         /// <param name="shortCode">The short code of the country.</param>
         /// <returns>The phone code for the specified country. If no phone code is found, a NotFound result is returned.</returns>
         [HttpGet("phoneCodeByShortCode")]
-        public IActionResult GetPhoneCodeByCountryShortCode([FromQuery] string shortCode)
+        [ProducesResponseType(typeof(string), 200)]
+        [ProducesResponseType(404)]
+        public IActionResult GetPhoneCodeByCountryShortCode([FromQuery] string countryCode)
         {
-            var phoneCode = _helper.GetPhoneCodeByCountryShortCode(shortCode);
+            var phoneCode = _helper.GetPhoneCodeByCountryShortCode(countryCode);
             if (phoneCode == null)
             {
                 return NotFound();
             }
-
             return Ok(phoneCode);
         }
 
@@ -133,6 +140,8 @@ public IActionResult GetPhoneCodeByCountryShortCode([FromQuery] string shortCode
         /// <param name="phoneCode">The phone code of the country.</param>
         /// <returns>The data for the specified country. If no data is found, a NotFound result is returned.</returns>
         [HttpGet("countryByPhoneCode")]
+        [ProducesResponseType(typeof(Country), 200)]
+        [ProducesResponseType(404)]
         public IActionResult GetCountryByPhoneCode([FromQuery] string phoneCode)
         {
             var countryDataByPhoneCode = _helper.GetCountriesByPhoneCode(phoneCode);
@@ -140,7 +149,6 @@ public IActionResult GetCountryByPhoneCode([FromQuery] string phoneCode)
             {
                 return NotFound();
             }
-
             return Ok(countryDataByPhoneCode);
         }
 
diff --git a/sample/CountryData.Sample.Web.API/CountryData.Sample.Web.API.http b/sample/CountryData.Sample.Web.API/CountryData.Sample.Web.API.http
index 6df1d6c..e69de29 100644
--- a/sample/CountryData.Sample.Web.API/CountryData.Sample.Web.API.http
+++ b/sample/CountryData.Sample.Web.API/CountryData.Sample.Web.API.http
@@ -1,41 +0,0 @@
-@CountryInforAPI_HostAddress = http://localhost:5016
-
-# Retrieves the default country information
-GET {{CountryInforAPI_HostAddress}}/Country
-Accept: application/json
-
-###
-
-# Retrieves a list of all countries
-GET {{CountryInforAPI_HostAddress}}/Country/countries
-Accept: application/json
-
-###
-
-# Retrieves the regions for the country with the code 'US'
-GET {{CountryInforAPI_HostAddress}}/Country/US/regions
-Accept: application/json
-
-###
-
-# Retrieves the country information for the country with the code 'GH'
-GET {{CountryInforAPI_HostAddress}}/Country/GH/countries
-Accept: application/json
-
-###
-
-# Retrieves the emoji flag for the country with the code 'US'
-GET {{CountryInforAPI_HostAddress}}/Country/US/flag
-Accept: application/json
-
-###
-# Retrieves the phone code for the country with the code 'US'
-GET {{CountryInforAPI_HostAddress}}/Country/GH/phoneCode
-Accept: application/json
-
-###
-# Retrieves the country information for the country with the phone code '1'
-GET {{CountryInforAPI_HostAddress}}/Country/phoneCode/+233
-Accept: application/json
-
-###
diff --git a/src/CountryData.Standard/CountryData.Standard.csproj b/src/CountryData.Standard/CountryData.Standard.csproj
index f31b878..c4f9454 100644
--- a/src/CountryData.Standard/CountryData.Standard.csproj
+++ b/src/CountryData.Standard/CountryData.Standard.csproj
@@ -11,7 +11,6 @@
     <Version>1.4.0</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReadmeFile>readme.md</PackageReadmeFile>
     <ReleaseNotes>Added new functionality to get country phone codes</ReleaseNotes>
   </PropertyGroup>
 
@@ -25,6 +24,8 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  
+
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>