diff --git a/dotnet/Services/Identity/App/Application.cs b/dotnet/Services/Identity/App/Application.cs
new file mode 100644
index 00000000..1b285669
--- /dev/null
+++ b/dotnet/Services/Identity/App/Application.cs
@@ -0,0 +1,25 @@
+using Branch.Services.Identity.Models;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using ServiceStack.Redis;
+
+namespace Branch.Services.Identity.App
+{
+	public partial class Application
+	{
+		private ILogger _logger { get; }
+		private IRedisClientsManager _redisClientsManager { get; }
+		private Config _config { get; }
+
+		public Application(
+			ILoggerFactory loggerFactory,
+			IRedisClientsManager redisClientsManager,
+			IOptionsMonitor<Config> options
+		)
+		{
+			_logger = loggerFactory.CreateLogger(typeof(Application));
+			_redisClientsManager = redisClientsManager;
+			_config = options.CurrentValue;
+		}
+	}
+}
diff --git a/dotnet/Services/Identity/App/GetXblIdentity.cs b/dotnet/Services/Identity/App/GetXblIdentity.cs
new file mode 100644
index 00000000..bc44b293
--- /dev/null
+++ b/dotnet/Services/Identity/App/GetXblIdentity.cs
@@ -0,0 +1,23 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+
+namespace Branch.Services.Identity.App
+{
+	public partial class Application
+	{
+		private readonly string XblRedisKey = "identity:xbox-live";
+
+		public async Task<GetXblIdentityRes> GetXblIdentity(HttpContext ctx, GetXblIdentityReq req)
+		{
+			var useCache = !req.IgnoreCache;
+
+			using (var client = _redisClientsManager.GetClient())
+			{
+				return new GetXblIdentityRes
+				{
+					CacheInfo = null,
+				};
+			}
+		}
+	}
+}
diff --git a/dotnet/Services/Identity/Models/Config.cs b/dotnet/Services/Identity/Models/Config.cs
new file mode 100644
index 00000000..220a57fc
--- /dev/null
+++ b/dotnet/Services/Identity/Models/Config.cs
@@ -0,0 +1,18 @@
+namespace Branch.Services.Identity.Models
+{
+	public class Config
+	{
+		public string[] InternalKeys { get; set; }
+
+		public string RedisConnectionString { get; set; }
+
+		public static Config CreateDefault()
+		{
+			return new Config
+			{
+				InternalKeys = new string[] {"test"},
+				RedisConnectionString = "redis://127.0.0.1:6379?db=1",
+			};
+		}
+	}
+}
diff --git a/dotnet/Services/Identity/README.md b/dotnet/Services/Identity/README.md
new file mode 100644
index 00000000..a2878387
--- /dev/null
+++ b/dotnet/Services/Identity/README.md
@@ -0,0 +1,42 @@
+# service-identity
+
+BaseURL: https://service-identity.branch.golf/1
+
+## Versions
+
+- `preview`: Service created
+
+## Api
+
+### Index
+
+- `get_xbl_identity`
+
+### Methods
+
+#### `get_xbl_identity`
+
+##### Request
+
+```json
+{
+	"type": "gamertag",
+	"value": "PhoenixBanTrain"
+}
+```
+
+The `type` key can be either `gamertag`, or `xuid`.
+
+##### Response
+
+```json
+{
+	"cache_overview": {
+		"cached_at": "2020-04-26T23:00:02.168Z",
+		"expires_at": "2020-04-26T23:15:13.614Z"
+	},
+	"gamertag": "xxCoLLaTeRaLx",
+	"xuid": 2533274824126595
+}
+```
+
diff --git a/dotnet/Services/Identity/Server/GetXblIdentity.cs b/dotnet/Services/Identity/Server/GetXblIdentity.cs
new file mode 100644
index 00000000..69471221
--- /dev/null
+++ b/dotnet/Services/Identity/Server/GetXblIdentity.cs
@@ -0,0 +1,41 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+
+namespace Branch.Services.Identity.Server
+{
+	public partial class RpcServer : IIdentityService
+	{
+		public readonly string GetXblIdentitySchema = @"
+			{
+				""type"": ""object"",
+				""additionalProperties"": false,
+
+				""required"": [
+					""type"",
+					""value""
+				],
+
+				""properties"": {
+					""ignore_cache"": {
+						""type"": ""boolean""
+					},
+
+					""type"": {
+						""type"": ""string"",
+						""enum"": [""gamertag"", ""xuid""]
+					},
+
+					""value"": {
+						""type"": ""string"",
+						""minLength"": 1
+					},
+				}
+			}
+		";
+
+		public Task<GetXblIdentityRes> GetXblIdentity(HttpContext ctx, GetXblIdentityReq req)
+		{
+			return _app.GetXblIdentity(ctx, req);
+		}
+	}
+}
diff --git a/dotnet/Services/Identity/Server/RpcServer.cs b/dotnet/Services/Identity/Server/RpcServer.cs
new file mode 100644
index 00000000..52e2cf67
--- /dev/null
+++ b/dotnet/Services/Identity/Server/RpcServer.cs
@@ -0,0 +1,14 @@
+using Branch.Services.Identity.App;
+
+namespace Branch.Services.Identity.Server
+{
+	public partial class RpcServer : IIdentityService
+	{
+		private Application _app;
+
+		public RpcServer(Application app)
+		{
+			_app = app;
+		}
+	}
+}
diff --git a/dotnet/Services/Identity/Service.cs b/dotnet/Services/Identity/Service.cs
new file mode 100644
index 00000000..6f125f70
--- /dev/null
+++ b/dotnet/Services/Identity/Service.cs
@@ -0,0 +1,29 @@
+using System.Threading.Tasks;
+using Branch.Global.Contracts;
+using Microsoft.AspNetCore.Http;
+
+namespace Branch.Services.Identity
+{
+	public interface IIdentityService
+	{
+		Task<GetXblIdentityRes> GetXblIdentity(HttpContext ctx, GetXblIdentityReq req);
+	}
+
+	public class GetXblIdentityReq
+	{
+		public bool IgnoreCache { get; set; }
+
+		public string Type { get; set; }
+
+		public string Value { get; set; }
+	}
+
+	public class GetXblIdentityRes : IBranchResponse
+	{
+		public CacheInfo CacheInfo { get; set; }
+
+		public string Gamertag { get; set; }
+
+		public string Xuid { get; set; }
+	}
+}
diff --git a/dotnet/Services/Identity/Startup.cs b/dotnet/Services/Identity/Startup.cs
new file mode 100644
index 00000000..aad85289
--- /dev/null
+++ b/dotnet/Services/Identity/Startup.cs
@@ -0,0 +1,58 @@
+using System.Threading.Tasks;
+using Branch.Global.Attributes;
+using Branch.Services.Identity.App;
+using Branch.Services.Identity.Models;
+using Branch.Services.Identity.Server;
+using Crpc;
+using Crpc.Registration;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using ServiceStack.Redis;
+
+namespace Branch.Services.Identity
+{
+	public class Startup
+	{
+		public IConfiguration Configuration { get; }
+
+		public Startup(IConfiguration configuration)
+		{
+			Configuration = configuration;
+		}
+
+		public void ConfigureServices(IServiceCollection services)
+		{
+			services.Configure<Config>(Configuration);
+
+			var redisConnectionString = Configuration.GetSection("RedisConnectionString").Get<string>();
+
+			services.AddSingleton<IRedisClientsManager>(new BasicRedisClientManager(redisConnectionString));
+
+			services.AddCrpc<Application, RpcServer>(opts =>
+			{
+				opts.InternalKeys = Configuration.GetSection("InternalKeys").Get<string[]>();
+			});
+		}
+
+		public void Configure(IApplicationBuilder app)
+		{
+			app.UseCrpcHealthCheck();
+			app.UseCrpc<RpcServer>("/1", (c, s) => {
+				c.Authentication = AuthenticationType.AllowInternalAuthentication;
+
+				c.Register<GetXblIdentityReq, GetXblIdentityRes>(
+					"get_xbl_identity", "preview", s.GetXblIdentity, s.GetXblIdentitySchema
+				);
+			});
+		}
+
+		[ServiceEntry("service-identity")]
+		public static async Task Entry(string[] args) =>
+			await CrpcHost.CreateCrpcHost<Startup>(Config.CreateDefault())
+				.UseConsoleLifetime()
+				.Build()
+				.RunAsync();
+	}
+}