diff --git a/src/Infrastructure/BotSharp.Abstraction/Translation/Models/TranslationRequestModel.cs b/src/Infrastructure/BotSharp.Abstraction/Translation/Models/TranslationRequestModel.cs
index 588dedfc..d3d6a453 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Translation/Models/TranslationRequestModel.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Translation/Models/TranslationRequestModel.cs
@@ -1,5 +1,3 @@
-using BotSharp.Abstraction.Infrastructures.Enums;
-
 namespace BotSharp.OpenAPI.ViewModels.Translations;
 
 public class TranslationRequestModel
@@ -7,3 +5,15 @@ public class TranslationRequestModel
     public string Text { get; set; } = null!;
     public string ToLang { get; set; } = LanguageType.CHINESE;
 }
+
+public class TranslationScriptTimestamp
+{
+    public string Text {  set; get; } = null!;
+    public string Timestamp { get; set; } = null!;
+}
+
+public class TranslationLongTextRequestModel
+{
+    public TranslationScriptTimestamp[] Texts { get; set; } = null!;
+    public string ToLang { get; set; } = LanguageType.CHINESE;
+}
\ No newline at end of file
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/TranslationController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/TranslationController.cs
index ac7686a1..17e9ff53 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/TranslationController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/TranslationController.cs
@@ -1,4 +1,4 @@
-using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Options;
 using BotSharp.Abstraction.Translation;
 using BotSharp.OpenAPI.ViewModels.Translations;
 
@@ -9,10 +9,13 @@ namespace BotSharp.OpenAPI.Controllers;
 public class TranslationController : ControllerBase
 {
     private readonly IServiceProvider _services;
+    private readonly JsonSerializerOptions _jsonOptions;
 
-    public TranslationController(IServiceProvider services)
+    public TranslationController(IServiceProvider services,
+        BotSharpOptions options)
     {
         _services = services;
+        _jsonOptions = InitJsonOptions(options);
     }
 
     [HttpPost("/translate")]
@@ -27,4 +30,71 @@ public class TranslationController : ControllerBase
             Text = text
         };
     }
+
+    [HttpPost("/translate/long-text")]
+    public async Task SendMessageSse([FromBody] TranslationLongTextRequestModel model)
+    {
+        var agentService = _services.GetRequiredService<IAgentService>();
+        var agent = await agentService.LoadAgent(BuiltInAgentId.AIAssistant);
+        var translator = _services.GetRequiredService<ITranslationService>();
+
+        Response.StatusCode = 200;
+        Response.Headers.Append(Microsoft.Net.Http.Headers.HeaderNames.ContentType, "text/event-stream");
+        Response.Headers.Append(Microsoft.Net.Http.Headers.HeaderNames.CacheControl, "no-cache");
+        Response.Headers.Append(Microsoft.Net.Http.Headers.HeaderNames.Connection, "keep-alive");
+
+        foreach (var script in model.Texts)
+        {
+            var translatedText = await translator.Translate(agent, Guid.NewGuid().ToString(), script.Text, language: model.ToLang);
+
+            var json = JsonSerializer.Serialize(new TranslationScriptTimestamp
+            {
+                Text = translatedText,
+                Timestamp = script.Timestamp
+            }, _jsonOptions);
+
+            await OnChunkReceived(Response, json);
+        }
+
+        await OnEventCompleted(Response);
+    }
+
+    private async Task OnChunkReceived(HttpResponse response, string text)
+    {
+        var buffer = Encoding.UTF8.GetBytes($"data:{text}\n");
+        await response.Body.WriteAsync(buffer, 0, buffer.Length);
+        await Task.Delay(10);
+
+        buffer = Encoding.UTF8.GetBytes("\n");
+        await response.Body.WriteAsync(buffer, 0, buffer.Length);
+    }
+
+    private async Task OnEventCompleted(HttpResponse response)
+    {
+        var buffer = Encoding.UTF8.GetBytes("data:[DONE]\n");
+        await response.Body.WriteAsync(buffer, 0, buffer.Length);
+
+        buffer = Encoding.UTF8.GetBytes("\n");
+        await response.Body.WriteAsync(buffer, 0, buffer.Length);
+    }
+
+    private JsonSerializerOptions InitJsonOptions(BotSharpOptions options)
+    {
+        var jsonOption = new JsonSerializerOptions
+        {
+            PropertyNameCaseInsensitive = true,
+            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+            AllowTrailingCommas = true
+        };
+
+        if (options?.JsonSerializerOptions != null)
+        {
+            foreach (var option in options.JsonSerializerOptions.Converters)
+            {
+                jsonOption.Converters.Add(option);
+            }
+        }
+
+        return jsonOption;
+    }
 }