diff --git a/deployments/local/docker-compose.yml b/deployments/local/docker-compose.yml
index 316eb663..5495097f 100644
--- a/deployments/local/docker-compose.yml
+++ b/deployments/local/docker-compose.yml
@@ -1012,6 +1012,64 @@ services:
       - "traefik.http.routers.ads-serving-admin.entrypoints=web"
       - "traefik.http.routers.ads-serving-admin.service=ads-serving-service"
 
+  # Ads Billing Service .NET - Billing, Invoicing & Payment Management
+  ads-billing-service-net:
+    build:
+      context: ../../services/ads-billing-service-net
+      dockerfile: Dockerfile
+    image: goodgo/ads-billing-service-net:latest
+    container_name: ads-billing-service-net-local
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Development
+      - ASPNETCORE_URLS=http://+:8080
+      # EN: Database - Neon PostgreSQL
+      # VI: Cơ sở dữ liệu - Neon PostgreSQL
+      - ConnectionStrings__DefaultConnection=Host=ep-holy-glitter-a4hongg7-pooler.us-east-1.aws.neon.tech;Port=5432;Database=ads_billing_service;Username=neondb_owner;Password=npg_Ssfy6HKO0cXI;SSL Mode=Require
+      # EN: IAM Service Communication
+      # VI: Giao tiếp IAM Service
+      - IamService__BaseUrl=http://iam-service-net:8080
+      - IamService__ServiceName=ads-billing-service
+      # EN: Wallet Service Communication
+      # VI: Giao tiếp Wallet Service
+      - WalletService__BaseUrl=http://wallet-service-net:8080
+      # EN: JWT Configuration
+      # VI: Cấu hình JWT
+      - Jwt__Authority=http://iam-service-net:8080
+      - Jwt__Audience=goodgo-api
+      - Jwt__RequireHttpsMetadata=false
+    ports:
+      - "5023:8080"
+    depends_on:
+      iam-service-net:
+        condition: service_healthy
+      wallet-service-net:
+        condition: service_healthy
+      traefik:
+        condition: service_started
+    networks:
+      - microservices-network
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/health/live"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+    labels:
+      - "traefik.enable=true"
+      # EN: Public API routes for billing, invoices, credit lines
+      # VI: Routes API công khai cho billing, hóa đơn, tín dụng
+      - "traefik.http.routers.ads-billing-service.rule=PathPrefix(`/api/v1/ads-billing/accounts`) || PathPrefix(`/api/v1/ads-billing/invoices`) || PathPrefix(`/api/v1/ads-billing/credit-lines`)"
+      - "traefik.http.routers.ads-billing-service.entrypoints=web"
+      - "traefik.http.services.ads-billing-service.loadbalancer.server.port=8080"
+      - "traefik.http.services.ads-billing-service.loadbalancer.healthcheck.path=/health/live"
+      - "traefik.http.services.ads-billing-service.loadbalancer.healthcheck.interval=10s"
+      # EN: Admin API routes for billing management
+      # VI: Routes API Admin để quản lý billing
+      - "traefik.http.routers.ads-billing-admin.rule=PathPrefix(`/api/v1/admin/ads-billing`)"
+      - "traefik.http.routers.ads-billing-admin.entrypoints=web"
+      - "traefik.http.routers.ads-billing-admin.service=ads-billing-service"
+
   # Jaeger - Distributed Tracing
   # jaeger:
   #   image: jaegertracing/all-in-one:1.47
diff --git a/services/ads-manager-service-net/src/AdsManagerService.API/Controllers/AdminCampaignsController.cs b/services/ads-manager-service-net/src/AdsManagerService.API/Controllers/AdminCampaignsController.cs
new file mode 100644
index 00000000..737c1818
--- /dev/null
+++ b/services/ads-manager-service-net/src/AdsManagerService.API/Controllers/AdminCampaignsController.cs
@@ -0,0 +1,79 @@
+using AdsManagerService.API.Application.Queries;
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AdsManagerService.API.Controllers;
+
+/// <summary>
+/// EN: Admin API Controller for campaign management and oversight.
+/// VI: API Controller Admin cho quản lý và giám sát chiến dịch.
+/// </summary>
+[ApiController]
+[Route("api/v1/admin/ads-manager/campaigns")]
+[Produces("application/json")]
+public class AdminCampaignsController : ControllerBase
+{
+    private readonly IMediator _mediator;
+    private readonly ILogger<AdminCampaignsController> _logger;
+
+    public AdminCampaignsController(IMediator mediator, ILogger<AdminCampaignsController> logger)
+    {
+        _mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
+        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+    }
+
+    /// <summary>
+    /// EN: List all campaigns across all advertisers (Admin only).
+    /// VI: Liệt kê tất cả chiến dịch của tất cả advertisers (Admin only).
+    /// </summary>
+    [HttpGet]
+    [ProducesResponseType(typeof(ListCampaignsResult), StatusCodes.Status200OK)]
+    public async Task<ActionResult<ListCampaignsResult>> ListAllCampaigns(
+        [FromQuery] string? status,
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 50)
+    {
+        var query = new ListCampaignsQuery
+        {
+            Status = status,
+            Page = page,
+            PageSize = pageSize
+        };
+
+        var result = await _mediator.Send(query);
+        return Ok(result);
+    }
+
+    /// <summary>
+    /// EN: Get campaign statistics.
+    /// VI: Lấy thống kê chiến dịch.
+    /// </summary>
+    [HttpGet("stats")]
+    [ProducesResponseType(typeof(CampaignStatsDto), StatusCodes.Status200OK)]
+    public async Task<ActionResult<CampaignStatsDto>> GetCampaignStats()
+    {
+        var stats = await _mediator.Send(new GetCampaignStatsQuery());
+        return Ok(stats);
+    }
+}
+
+/// <summary>
+/// EN: Campaign statistics DTO.
+/// VI: DTO thống kê chiến dịch.
+/// </summary>
+public record CampaignStatsDto
+{
+    public int TotalCampaigns { get; init; }
+    public int ActiveCampaigns { get; init; }
+    public int PausedCampaigns { get; init; }
+    public int DraftCampaigns { get; init; }
+    public int CompletedCampaigns { get; init; }
+    public decimal TotalSpend { get; init; }
+    public decimal TotalBudget { get; init; }
+}
+
+/// <summary>
+/// EN: Query to get campaign statistics.
+/// VI: Query lấy thống kê chiến dịch.
+/// </summary>
+public record GetCampaignStatsQuery : IRequest<CampaignStatsDto>;