diff --git a/lib/src/core/constants/config.dart b/lib/src/core/constants/config.dart
index 0ea1dd05..eef8d51e 100644
--- a/lib/src/core/constants/config.dart
+++ b/lib/src/core/constants/config.dart
@@ -1,8 +1,25 @@
+import 'package:dart_openai/src/core/utils/logger.dart';
 import 'package:meta/meta.dart';
 
 @immutable
 @internal
 abstract class OpenAIConfig {
-  static String get baseUrl => "https://api.openai.com";
+  static String? _baseUrl;
+
+  @internal
+  static String get baseUrl {
+    if (_baseUrl == null) {
+      return "https://api.openai.com";
+    }
+
+    return _baseUrl!;
+  }
+
+  @internal
+  static set baseUrl(String? baseUrl) {
+    _baseUrl = baseUrl;
+    OpenAILogger.logBaseUrl();
+  }
+
   static String get version => "v1";
 }
diff --git a/lib/src/core/utils/logger.dart b/lib/src/core/utils/logger.dart
index d4d0ee6f..63a53a60 100644
--- a/lib/src/core/utils/logger.dart
+++ b/lib/src/core/utils/logger.dart
@@ -43,6 +43,11 @@ abstract class OpenAILogger {
     log("api key is set");
   }
 
+  /// Logs that an baseUrl key is being set, if the logger is active.
+  static void logBaseUrl() {
+    log("baseUrl is set");
+  }
+
   /// Logs that an organization id is being set, if the logger is active.
   static void logOrganization(String? organizationId) {
     log("organization id set to $organizationId");
diff --git a/lib/src/instance/openai.dart b/lib/src/instance/openai.dart
index f87b0509..a91018c8 100644
--- a/lib/src/instance/openai.dart
+++ b/lib/src/instance/openai.dart
@@ -4,6 +4,7 @@ import 'package:dart_openai/src/instance/moderations/moderations.dart';
 
 import '../core/base/openai_client/base.dart';
 import '../core/builder/headers.dart';
+import '../core/constants/config.dart';
 import '../core/exceptions/api_key_not_set.dart';
 import '../core/utils/logger.dart';
 import 'audio/audio.dart';
@@ -52,6 +53,10 @@ class OpenAI extends OpenAIClientBase {
     _internalApiKey = apiKey;
   }
 
+  static set baseUrl(String baseUrl) {
+    OpenAIConfig.baseUrl = baseUrl;
+  }
+
   /// If you have multiple organizations, you can set it's id with this.
   /// once this is set, it will be used in all the requests to the OpenAI API.
   /// Example: