diff --git a/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs b/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
index b986de5..9784516 100644
--- a/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
+++ b/src/Cnblogs.DashScope.Core/DashScopeClientCore.cs
@@ -32,6 +32,9 @@ public DashScopeClientCore(HttpClient httpClient)
         _httpClient = httpClient;
     }
 
+    /// <inheritdoc />
+    public Uri? BaseAddress => _httpClient.BaseAddress;
+
     /// <inheritdoc />
     public async Task<ModelResponse<TextGenerationOutput, TextGenerationTokenUsage>> GetTextCompletionAsync(
         ModelRequest<TextGenerationInput, ITextGenerationParameters> input,
diff --git a/src/Cnblogs.DashScope.Core/IDashScopeClient.cs b/src/Cnblogs.DashScope.Core/IDashScopeClient.cs
index 4334c43..3c32291 100644
--- a/src/Cnblogs.DashScope.Core/IDashScopeClient.cs
+++ b/src/Cnblogs.DashScope.Core/IDashScopeClient.cs
@@ -5,6 +5,11 @@
 /// </summary>
 public interface IDashScopeClient
 {
+    /// <summary>
+    /// Get the underlying api gateway address.
+    /// </summary>
+    Uri? BaseAddress { get; }
+
     /// <summary>
     /// Return textual completions as configured for a given prompt.
     /// </summary>