diff --git a/SurveyBackend/SurveyBackend.API/Controllers/AnswerVariantsController.cs b/SurveyBackend/SurveyBackend.API/Controllers/AnswerVariantsController.cs
new file mode 100644
index 0000000..fe44196
--- /dev/null
+++ b/SurveyBackend/SurveyBackend.API/Controllers/AnswerVariantsController.cs
@@ -0,0 +1,84 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using SurveyBackend.DTOs.AnswerVariant;
+using SurveyBackend.Mappers;
+using SurveyLib.Core.Services;
+
+namespace SurveyBackend.Controllers;
+
+[ApiController]
+[Route("api/surveys/{surveyId}/questions/{questionId}/answerVariants")]
+public class AnswerVariantsController : ControllerBase
+{
+    private readonly IAnswerVariantsService _answerVariantsService;
+
+    public AnswerVariantsController(IAnswerVariantsService answerVariantsService)
+    {
+        _answerVariantsService = answerVariantsService;
+    }
+
+    /// <summary>
+    /// Получить варианты ответа на вопрос
+    /// </summary>
+    /// <param name="surveyId"></param>
+    /// <param name="questionId"></param>
+    /// <returns></returns>
+    [AllowAnonymous]
+    [HttpGet]
+    public async Task<IActionResult> Get(int surveyId, int questionId)
+    {
+        var answerVariants = await _answerVariantsService.GetAnswerVariantsByQuestionIdAsync(questionId);
+        var result = answerVariants.Select(AnswerVariantMapper.ModelToOutputDto);
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Добавить новый вариант ответа для вопроса
+    /// </summary>
+    /// <param name="surveyId">Идентификатор опроса</param>
+    /// <param name="questionId">Идентификатор вопроса</param>
+    /// <param name="dto">Объект с данными для создания варианта ответа</param>
+    /// <returns>Результат операции добавления</returns>
+    [Authorize]
+    [HttpPost]
+    public async Task<IActionResult> Add(int surveyId, int questionId, [FromBody] AnswerVariantCreateDto dto)
+    {
+        var model = AnswerVariantMapper.CreateDtoToModel(dto, questionId);
+        await _answerVariantsService.AddAnswerVariantAsync(model);
+        var result = AnswerVariantMapper.ModelToOutputDto(model);
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Обновить вариант ответа на вопрос
+    /// </summary>
+    /// <param name="surveyId">Идентификатор опроса</param>
+    /// <param name="questionId">Идентификатор вопроса</param>
+    /// <param name="id">Идентификатор варианта ответа</param>
+    /// <param name="dto">Объект с данными для обновления варианта ответа</param>
+    /// <returns>Результат обновленного варианта ответа</returns>
+    [Authorize]
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Update(int surveyId, int questionId, int id, [FromBody] AnswerVariantUpdateDto dto)
+    {
+        var model = AnswerVariantMapper.UpdateDtoToModel(dto, questionId, id);
+        await _answerVariantsService.UpdateAnswerVariantAsync(model);
+        var result = AnswerVariantMapper.ModelToOutputDto(model);
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// Удалить вариант ответа на вопрос
+    /// </summary>
+    /// <param name="surveyId">Идентификатор опроса</param>
+    /// <param name="questionId">Идентификатор вопроса</param>
+    /// <param name="id">Идентификатор варианта ответа</param>
+    /// <returns>Результат операции удаления</returns>
+    [Authorize]
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int surveyId, int questionId, int id)
+    {
+        await _answerVariantsService.DeleteAnswerVariantAsync(id);
+        return Ok();
+    }
+}
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantCreateDto.cs b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantCreateDto.cs
new file mode 100644
index 0000000..1019ea3
--- /dev/null
+++ b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantCreateDto.cs
@@ -0,0 +1,6 @@
+namespace SurveyBackend.DTOs.AnswerVariant;
+
+public class AnswerVariantCreateDto
+{
+    public required string Text { get; set; }
+}
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/DTOs/Question/OutputAnswerVariantDTO.cs b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantOutputDto.cs
similarity index 85%
rename from SurveyBackend/SurveyBackend.API/DTOs/Question/OutputAnswerVariantDTO.cs
rename to SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantOutputDto.cs
index ff1b77b..ad9ba2f 100644
--- a/SurveyBackend/SurveyBackend.API/DTOs/Question/OutputAnswerVariantDTO.cs
+++ b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantOutputDto.cs
@@ -1,9 +1,9 @@
-namespace SurveyBackend.DTOs.Question;
+namespace SurveyBackend.DTOs.AnswerVariant;
 
 /// <summary>
 /// Выходная схема вариантов ответа
 /// </summary>
-public class OutputAnswerVariantDto
+public class AnswerVariantOutputDto
 {
     /// <summary>
     /// ID варианта ответа
diff --git a/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantUpdateDto.cs b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantUpdateDto.cs
new file mode 100644
index 0000000..5a242a6
--- /dev/null
+++ b/SurveyBackend/SurveyBackend.API/DTOs/AnswerVariant/AnswerVariantUpdateDto.cs
@@ -0,0 +1,5 @@
+namespace SurveyBackend.DTOs.AnswerVariant;
+
+public class AnswerVariantUpdateDto : AnswerVariantCreateDto
+{
+}
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/DTOs/Question/QuestionOutputDto.cs b/SurveyBackend/SurveyBackend.API/DTOs/Question/QuestionOutputDto.cs
index 96eac88..bb2442b 100644
--- a/SurveyBackend/SurveyBackend.API/DTOs/Question/QuestionOutputDto.cs
+++ b/SurveyBackend/SurveyBackend.API/DTOs/Question/QuestionOutputDto.cs
@@ -1,3 +1,5 @@
+using SurveyBackend.DTOs.AnswerVariant;
+
 namespace SurveyBackend.DTOs.Question;
 
 /// <summary>
@@ -28,5 +30,5 @@ public class QuestionOutputDto
     /// <summary>
     /// Варианты ответа
     /// </summary>
-    public List<OutputAnswerVariantDto>? AnswerVariants { get; set; }
+    public List<AnswerVariantOutputDto>? AnswerVariants { get; set; }
 }
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/DTOs/Survey/SurveyOutputDto.cs b/SurveyBackend/SurveyBackend.API/DTOs/Survey/SurveyOutputDto.cs
index 6598707..61498c2 100644
--- a/SurveyBackend/SurveyBackend.API/DTOs/Survey/SurveyOutputDto.cs
+++ b/SurveyBackend/SurveyBackend.API/DTOs/Survey/SurveyOutputDto.cs
@@ -9,16 +9,21 @@ public class SurveyOutputDto
     /// ID опроса
     /// </summary>
     public required int Id { get; set; }
+
     /// <summary>
     /// Название опроса
     /// </summary>
     public required string Title { get; set; }
+
     /// <summary>
     /// Описание опроса
     /// </summary>
     public required string Description { get; set; }
+
     /// <summary>
     /// Создатель опроса (опционально)
     /// </summary>
     public int? CreatedBy { get; set; }
+
+    public required DateTime CreatedAt { get; set; }
 }
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/Mappers/AnswerVariantMapper.cs b/SurveyBackend/SurveyBackend.API/Mappers/AnswerVariantMapper.cs
new file mode 100644
index 0000000..d759415
--- /dev/null
+++ b/SurveyBackend/SurveyBackend.API/Mappers/AnswerVariantMapper.cs
@@ -0,0 +1,28 @@
+using SurveyBackend.DTOs.AnswerVariant;
+using SurveyLib.Core.Models;
+
+namespace SurveyBackend.Mappers;
+
+public static class AnswerVariantMapper
+{
+    public static AnswerVariant CreateDtoToModel(AnswerVariantCreateDto dto, int questionId) => new AnswerVariant
+    {
+        QuestionId = questionId,
+        Text = dto.Text
+    };
+
+    public static AnswerVariant UpdateDtoToModel(AnswerVariantUpdateDto dto, int answerVariantId, int questionId) =>
+        new AnswerVariant
+        {
+            QuestionId = questionId,
+            Id = answerVariantId,
+            Text = dto.Text
+        };
+
+    public static AnswerVariantOutputDto ModelToOutputDto(AnswerVariant model) => new AnswerVariantOutputDto
+    {
+        Id = model.Id,
+        QuestionId = model.QuestionId,
+        Text = model.Text
+    };
+}
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/Mappers/QuestionMapper.cs b/SurveyBackend/SurveyBackend.API/Mappers/QuestionMapper.cs
index 044c052..6d50d50 100644
--- a/SurveyBackend/SurveyBackend.API/Mappers/QuestionMapper.cs
+++ b/SurveyBackend/SurveyBackend.API/Mappers/QuestionMapper.cs
@@ -1,3 +1,4 @@
+using SurveyBackend.DTOs.AnswerVariant;
 using SurveyBackend.DTOs.Question;
 using SurveyBackend.Services.Exceptions;
 using SurveyLib.Core.Models;
@@ -88,9 +89,9 @@ public static class QuestionMapper
         };
     }
 
-    private static List<OutputAnswerVariantDto> AnswerVariantsToDto(IEnumerable<AnswerVariant> answerVariants)
+    private static List<AnswerVariantOutputDto> AnswerVariantsToDto(IEnumerable<AnswerVariant> answerVariants)
     {
-        return answerVariants.Select(av => new OutputAnswerVariantDto
+        return answerVariants.Select(av => new AnswerVariantOutputDto
         {
             Id = av.Id,
             QuestionId = av.QuestionId,
diff --git a/SurveyBackend/SurveyBackend.API/Mappers/SurveyMapper.cs b/SurveyBackend/SurveyBackend.API/Mappers/SurveyMapper.cs
index be88b9c..a39ecf7 100644
--- a/SurveyBackend/SurveyBackend.API/Mappers/SurveyMapper.cs
+++ b/SurveyBackend/SurveyBackend.API/Mappers/SurveyMapper.cs
@@ -45,6 +45,7 @@ public static class SurveyMapper
             Title = survey.Title,
             Description = survey.Description,
             CreatedBy = survey.CreatedBy,
+            CreatedAt = survey.CreatedAt,
         };
     }
 }
\ No newline at end of file
diff --git a/SurveyBackend/SurveyBackend.API/Program.cs b/SurveyBackend/SurveyBackend.API/Program.cs
index da19cc8..829f13f 100644
--- a/SurveyBackend/SurveyBackend.API/Program.cs
+++ b/SurveyBackend/SurveyBackend.API/Program.cs
@@ -48,9 +48,11 @@ public class Program
 
         builder.Services.AddScoped<ISurveyRepository, SurveyRepository>();
         builder.Services.AddScoped<IQuestionRepository, QuestionRepository>();
+        builder.Services.AddScoped<IAnswerVariantsRepository, AnswerVariantsRepository>();
 
         builder.Services.AddScoped<ISurveyService, SurveyService>();
         builder.Services.AddScoped<IQuestionService, QuestionService>();
+        builder.Services.AddScoped<IAnswerVariantsService, AnswerVariantsService>();
 
 
         builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)