SPMS.API/Controllers/ServiceController.cs

@@ -207,6 +207,22 @@ public class ServiceController : ControllerBase
         return Ok(ApiResponse<ServiceTagsResponseDto>.Success(result));
     }
 
+    [HttpPost("webhook/config")]
+    [SwaggerOperation(Summary = "웹훅 설정", Description = "서비스의 웹훅 URL과 구독 이벤트 타입을 설정합니다.")]
+    public async Task<IActionResult> ConfigureWebhookAsync([FromBody] WebhookConfigRequestDto request)
+    {
+        var result = await _serviceManagementService.ConfigureWebhookAsync(request.ServiceCode, request);
+        return Ok(ApiResponse<WebhookConfigResponseDto>.Success(result));
+    }
+
+    [HttpPost("webhook/info")]
+    [SwaggerOperation(Summary = "웹훅 설정 조회", Description = "서비스의 현재 웹훅 설정을 조회합니다.")]
+    public async Task<IActionResult> GetWebhookConfigAsync([FromBody] WebhookInfoRequestDto request)
+    {
+        var result = await _serviceManagementService.GetWebhookConfigAsync(request.ServiceCode);
+        return Ok(ApiResponse<WebhookConfigResponseDto>.Success(result));
+    }
+
     [HttpPost("{serviceCode}/ip/list")]
     [SwaggerOperation(
         Summary = "IP 화이트리스트 조회",

SPMS.Application/DTOs/Service/WebhookConfigRequestDto.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel.DataAnnotations;
+using System.Text.Json.Serialization;
+
+namespace SPMS.Application.DTOs.Service;
+
+public class WebhookConfigRequestDto
+{
+    [Required]
+    [JsonPropertyName("service_code")]
+    public string ServiceCode { get; set; } = string.Empty;
+
+    [JsonPropertyName("webhook_url")]
+    [Url]
+    public string? WebhookUrl { get; set; }
+
+    [JsonPropertyName("events")]
+    public List<string>? Events { get; set; }
+}
+
+public class WebhookInfoRequestDto
+{
+    [Required]
+    [JsonPropertyName("service_code")]
+    public string ServiceCode { get; set; } = string.Empty;
+}

SPMS.Application/DTOs/Service/WebhookConfigResponseDto.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace SPMS.Application.DTOs.Service;
+
+public class WebhookConfigResponseDto
+{
+    [JsonPropertyName("webhook_url")]
+    public string? WebhookUrl { get; set; }
+
+    [JsonPropertyName("events")]
+    public List<string> Events { get; set; } = new();
+
+    [JsonPropertyName("is_active")]
+    public bool IsActive { get; set; }
+}

SPMS.Application/Interfaces/IServiceManagementService.cs

@@ -19,6 +19,10 @@ public interface IServiceManagementService
     Task<ServiceTagsResponseDto> GetTagsAsync(ServiceTagsRequestDto request);
     Task<ServiceTagsResponseDto> UpdateTagsAsync(UpdateServiceTagsRequestDto request);
 
+    // Webhook
+    Task<WebhookConfigResponseDto> ConfigureWebhookAsync(string serviceCode, WebhookConfigRequestDto request);
+    Task<WebhookConfigResponseDto> GetWebhookConfigAsync(string serviceCode);
+
     // IP Whitelist
     Task<IpListResponseDto> GetIpListAsync(string serviceCode);
     Task<ServiceIpDto> AddIpAsync(string serviceCode, AddIpRequestDto request);

SPMS.Application/Services/ServiceManagementService.cs

@@ -524,6 +524,60 @@ public class ServiceManagementService : IServiceManagementService
         };
     }
 
+    public async Task<WebhookConfigResponseDto> ConfigureWebhookAsync(string serviceCode, WebhookConfigRequestDto request)
+    {
+        var service = await _serviceRepository.GetByServiceCodeAsync(serviceCode);
+        if (service is null)
+            throw new SpmsException(ErrorCodes.NotFound, "서비스를 찾을 수 없습니다.", 404);
+
+        if (request.Events != null)
+        {
+            var validEvents = new HashSet<string> { "push_sent", "push_failed", "push_clicked" };
+            foreach (var evt in request.Events)
+            {
+                if (!validEvents.Contains(evt))
+                    throw new SpmsException(ErrorCodes.BadRequest, $"유효하지 않은 이벤트 타입: {evt}", 400);
+            }
+        }
+
+        service.WebhookUrl = request.WebhookUrl;
+        service.WebhookEvents = request.Events != null && request.Events.Count > 0
+            ? JsonSerializer.Serialize(request.Events)
+            : null;
+        service.UpdatedAt = DateTime.UtcNow;
+
+        _serviceRepository.Update(service);
+        await _unitOfWork.SaveChangesAsync();
+
+        return BuildWebhookConfigResponse(service);
+    }
+
+    public async Task<WebhookConfigResponseDto> GetWebhookConfigAsync(string serviceCode)
+    {
+        var service = await _serviceRepository.GetByServiceCodeAsync(serviceCode);
+        if (service is null)
+            throw new SpmsException(ErrorCodes.NotFound, "서비스를 찾을 수 없습니다.", 404);
+
+        return BuildWebhookConfigResponse(service);
+    }
+
+    private static WebhookConfigResponseDto BuildWebhookConfigResponse(Service service)
+    {
+        var events = new List<string>();
+        if (!string.IsNullOrEmpty(service.WebhookEvents))
+        {
+            try { events = JsonSerializer.Deserialize<List<string>>(service.WebhookEvents) ?? new(); }
+            catch { /* ignore */ }
+        }
+
+        return new WebhookConfigResponseDto
+        {
+            WebhookUrl = service.WebhookUrl,
+            Events = events,
+            IsActive = !string.IsNullOrEmpty(service.WebhookUrl) && events.Count > 0
+        };
+    }
+
     public async Task<IpListResponseDto> GetIpListAsync(string serviceCode)
     {
         var service = await _serviceRepository.GetByServiceCodeWithIpsAsync(serviceCode);

SPMS.Domain/Entities/Service.cs

@@ -15,6 +15,7 @@ public class Service : BaseEntity
     public string? ApnsPrivateKey { get; set; }
     public string? FcmCredentials { get; set; }
     public string? WebhookUrl { get; set; }
+    public string? WebhookEvents { get; set; }
     public string? Tags { get; set; }
     public SubTier SubTier { get; set; }
     public DateTime? SubStartedAt { get; set; }

SPMS.Infrastructure/Migrations/20260211010030_AddWebhookEventsToService.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SPMS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddWebhookEventsToService : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "WebhookEvents",
+                table: "Service",
+                type: "longtext",
+                nullable: true)
+                .Annotation("MySql:CharSet", "utf8mb4");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "WebhookEvents",
+                table: "Service");
+        }
+    }
+}

SPMS.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -721,6 +721,9 @@ namespace SPMS.Infrastructure.Migrations
                     b.Property<DateTime?>("UpdatedAt")
                         .HasColumnType("datetime(6)");
 
+                    b.Property<string>("WebhookEvents")
+                        .HasColumnType("longtext");
+
                     b.Property<string>("WebhookUrl")
                         .HasMaxLength(500)
                         .HasColumnType("varchar(500)");

TASKS.md

@@ -1652,8 +1652,8 @@ Milestone: Phase 3: 메시지 & Push Core
 | 6 | [Feature] 발송 상세 로그 조회 API | Feature | High | DDL-02 | ✅ |
 | 7 | [Feature] 통계 리포트 다운로드 API | Feature | Medium | EXP-01 | ✅ |
 | 8 | [Feature] 상세 로그 다운로드 API | Feature | Medium | EXP-02 | ✅ |
-| 9 | [Feature] 실패원인 순위 API | Feature | Medium | ANA-01 | ⬜ |
+| 9 | [Feature] 실패원인 순위 API | Feature | Medium | ANA-01 | ✅ |
-| 10 | [Feature] 웹훅 설정 API | Feature | High | WHK-01 | ⬜ |
+| 10 | [Feature] 웹훅 설정 API | Feature | High | WHK-01 | ✅ |
 | 11 | [Feature] **웹훅 발송 서비스** | Feature | High | WHK-02 | ⬜ |
 | 12 | [Feature] **DailyStatWorker 구현** | Feature | Medium | AAG-01 | ⬜ |
 | 13 | [Feature] **DeadTokenCleanupWorker 구현** | Feature | Medium | DTK-01 | ⬜ |