diff --git a/TonSdk.Client/src/HttpApi/HttpsApi.cs b/TonSdk.Client/src/HttpApi/HttpsApi.cs
index fda9b9e..1085a48 100644
--- a/TonSdk.Client/src/HttpApi/HttpsApi.cs
+++ b/TonSdk.Client/src/HttpApi/HttpsApi.cs
@@ -34,6 +34,8 @@ internal HttpApi(HttpParameters httpApiParameters)
 
             if (!string.IsNullOrEmpty(httpApiParameters.ApiKey))
                 _httpClient.DefaultRequestHeaders.Add("X-API-Key", httpApiParameters.ApiKey);
+            else if (!string.IsNullOrEmpty(httpApiParameters.BearerToken))
+                _httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", httpApiParameters.BearerToken);
 
             _httpClient.BaseAddress = new Uri(httpApiParameters.Endpoint);
         }
diff --git a/TonSdk.Client/src/HttpApi/HttpsApiV3.cs b/TonSdk.Client/src/HttpApi/HttpsApiV3.cs
index 40d1758..bf38332 100644
--- a/TonSdk.Client/src/HttpApi/HttpsApiV3.cs
+++ b/TonSdk.Client/src/HttpApi/HttpsApiV3.cs
@@ -28,10 +28,11 @@ public HttpApiV3(HttpParameters httpApiParameters)
             _httpClient.Timeout = TimeSpan.FromMilliseconds(Convert.ToDouble(httpApiParameters.Timeout ?? 30000));
             
             _httpClient.DefaultRequestHeaders.Accept.Clear();
-           
-            
+
             if (!string.IsNullOrEmpty(httpApiParameters.ApiKey))
                 _httpClient.DefaultRequestHeaders.Add("X-API-Key", httpApiParameters.ApiKey);
+            else if (!string.IsNullOrEmpty(httpApiParameters.BearerToken))
+                _httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", httpApiParameters.BearerToken);
 
             _httpClient.BaseAddress = new Uri(httpApiParameters.Endpoint);
         }
diff --git a/TonSdk.Client/src/HttpApi/HttpsWhales.cs b/TonSdk.Client/src/HttpApi/HttpsWhales.cs
index 41bc985..8334763 100644
--- a/TonSdk.Client/src/HttpApi/HttpsWhales.cs
+++ b/TonSdk.Client/src/HttpApi/HttpsWhales.cs
@@ -28,6 +28,8 @@ internal HttpWhales(HttpParameters httpApiParameters)
 
             if (!string.IsNullOrEmpty(httpApiParameters.ApiKey))
                 _httpClient.DefaultRequestHeaders.Add("X-API-Key", httpApiParameters.ApiKey);
+            else if (!string.IsNullOrEmpty(httpApiParameters.BearerToken))
+                _httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", httpApiParameters.BearerToken);
 
             _httpClient.BaseAddress = new Uri(httpApiParameters.Endpoint);
         }
diff --git a/TonSdk.Client/src/Models/Models.cs b/TonSdk.Client/src/Models/Models.cs
index bad3d40..de66306 100644
--- a/TonSdk.Client/src/Models/Models.cs
+++ b/TonSdk.Client/src/Models/Models.cs
@@ -23,6 +23,7 @@ public class HttpParameters : ITonClientOptions
         public string Endpoint { get; set; }
         public int? Timeout { get; set; }
         public string ApiKey { get; set; }
+        public string BearerToken { get; set; }
     }
     
     public class LiteClientParameters : ITonClientOptions