diff --git a/src/clients/dotnet/Bitip.Client.Tests/TestConfiguration.cs b/src/clients/dotnet/Bitip.Client.Tests/TestConfiguration.cs
index 8d5af56..1a18635 100644
--- a/src/clients/dotnet/Bitip.Client.Tests/TestConfiguration.cs
+++ b/src/clients/dotnet/Bitip.Client.Tests/TestConfiguration.cs
@@ -15,7 +15,7 @@ namespace Bitip.Client.Tests
         /// <summary>
         /// Real Bitip API base URL for integration tests.
         /// </summary>
-        public const string RealApiBaseUrl = "http://localhost:5172/api/";
+        public const string RealApiBaseUrl = "http://localhost:5172";
 
         /// <summary>
         /// Real API key for integration tests.
diff --git a/src/clients/dotnet/Bitip.Client/Helpers/UriNormalizer.cs b/src/clients/dotnet/Bitip.Client/Helpers/UriNormalizer.cs
index 242b2d1..1dd3671 100644
--- a/src/clients/dotnet/Bitip.Client/Helpers/UriNormalizer.cs
+++ b/src/clients/dotnet/Bitip.Client/Helpers/UriNormalizer.cs
@@ -1,6 +1,7 @@
 // Copyright (c) 2025 Tudor Stanciu
 
 using System;
+using System.Linq;
 
 namespace Bitip.Client.Helpers
 {
@@ -13,5 +14,47 @@ namespace Bitip.Client.Helpers
             var address = trimmed.EndsWith("/") ? trimmed : $"{trimmed}/";
             return new Uri(address);
         }
+
+        public static Uri EnsureTrailingSlash(string url, string suffix)
+        {
+            if (url is null) throw new ArgumentNullException(nameof(url));
+            if (url is null) throw new ArgumentNullException(nameof(url));
+            if (string.IsNullOrWhiteSpace(suffix)) return EnsureTrailingSlash(url);
+
+            var normalizedSuffix = suffix.Trim('/');
+            if (normalizedSuffix.Length == 0) return EnsureTrailingSlash(url);
+
+            // Get last non-empty segment from the url
+            var parts = url.Split('/', StringSplitOptions.RemoveEmptyEntries);
+            var lastSegment = parts.Length == 0 ? string.Empty : parts.Last();
+
+            if (!string.Equals(lastSegment, normalizedSuffix, StringComparison.OrdinalIgnoreCase))
+            {
+                url = PathCombine(url, normalizedSuffix);
+            }
+
+            return EnsureTrailingSlash(url);
+        }
+
+        /// <summary>
+        /// Combines multiple URL segments into a single path, ensuring proper slashes.
+        /// </summary>
+        public static string PathCombine(params string[] segments) // Move it to Netmash
+        {
+            var parts = segments
+                .Where(s => !string.IsNullOrEmpty(s))
+                .Select(s => s.Trim())
+                .ToArray();
+            if (parts.Length == 0) return string.Empty;
+            if (parts.Length == 1) return parts[0];
+
+            var result = parts[0].TrimEnd('/');
+            for (int i = 1; i < parts.Length; i++)
+            {
+                var seg = parts[i].Trim('/');
+                if (seg.Length > 0) result += "/" + seg;
+            }
+            return result;
+        }
     }
 }
diff --git a/src/clients/dotnet/Bitip.Client/Services/BitipClient.cs b/src/clients/dotnet/Bitip.Client/Services/BitipClient.cs
index f08e0e6..20d4b9a 100644
--- a/src/clients/dotnet/Bitip.Client/Services/BitipClient.cs
+++ b/src/clients/dotnet/Bitip.Client/Services/BitipClient.cs
@@ -22,7 +22,7 @@ namespace Bitip.Client.Services
 
         public BitipClient(HttpClient httpClient, IOptions<BitipOptions> options)
         {
-            httpClient.BaseAddress = UriNormalizer.EnsureTrailingSlash(options.Value.BaseUrl);
+            httpClient.BaseAddress = UriNormalizer.EnsureTrailingSlash(options.Value.BaseUrl, "/api");
             httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
             httpClient.DefaultRequestHeaders.Add(ApiKeys.HttpHeader, options.Value.ApiKey);