diff --git a/Astral.ApiServer/Controllers/OAuthController.cs b/Astral.ApiServer/Controllers/OAuthApiController.cs
similarity index 88%
rename from Astral.ApiServer/Controllers/OAuthController.cs
rename to Astral.ApiServer/Controllers/OAuthApiController.cs
index 0b9b94f..77cebbd 100644
--- a/Astral.ApiServer/Controllers/OAuthController.cs
+++ b/Astral.ApiServer/Controllers/OAuthApiController.cs
@@ -1,4 +1,4 @@
-// <copyright file="OAuthController.cs" company="alveus.dev">
+// <copyright file="OAuthApiController.cs" company="alveus.dev">
 // Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
 // </copyright>
 
@@ -16,15 +16,15 @@ namespace Astral.ApiServer.Controllers;
 /// OAuth authentication controller.
 /// </summary>
 [Route("oauth")]
-public class OAuthController : BaseApiController
+public class OAuthApiController : BaseApiController
 {
     private readonly IAuthenticationService _authenticationService;
 
     /// <summary>
-    /// Initializes a new instance of the <see cref="OAuthController"/> class.
+    /// Initializes a new instance of the <see cref="OAuthApiController"/> class.
     /// </summary>
     /// <param name="authenticationService">Instance of <see cref="IAuthenticationService"/>.</param>
-    public OAuthController(IAuthenticationService authenticationService)
+    public OAuthApiController(IAuthenticationService authenticationService)
     {
         _authenticationService = authenticationService;
     }
diff --git a/Astral.ApiServer/Controllers/V1/UserApiController.cs b/Astral.ApiServer/Controllers/V1/UserApiController.cs
new file mode 100644
index 0000000..fb4ea2a
--- /dev/null
+++ b/Astral.ApiServer/Controllers/V1/UserApiController.cs
@@ -0,0 +1,67 @@
+// <copyright file="UserApiController.cs" company="alveus.dev">
+// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
+// </copyright>
+
+using Astral.ApiServer.Models;
+using Astral.Services.Interfaces;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Astral.ApiServer.Controllers.V1;
+
+/// <summary>
+/// User api controller.
+/// </summary>
+[Route("api/v1/user")]
+[Authorize]
+public class UserApiController : BaseApiController
+{
+    private readonly IIdentityProvider _identityProvider;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="UserApiController"/> class.
+    /// </summary>
+    /// <param name="identityProvider">Instance of <see cref="IIdentityProvider"/>.</param>
+    public UserApiController(IIdentityProvider identityProvider)
+    {
+        _identityProvider = identityProvider;
+    }
+
+    /// <summary>
+    /// Get the user's profile.
+    /// </summary>
+    [HttpGet("profile")]
+    public IActionResult GetUserProfile()
+    {
+        var userId = _identityProvider.GetUserId();
+        var userName = _identityProvider.GetUserName();
+
+        return new JsonResult(new UserProfileResultModel()
+        {
+            Success = true,
+            AccountId = userId,
+            Username = userName,
+            XmppPassword = string.Empty,
+            DiscourseApiKey = string.Empty
+        });
+    }
+
+    /// <summary>
+    /// Does nothing for now since I believe the locker feature is deprecated.
+    /// </summary>
+    [HttpPost("locker")]
+    public IActionResult PostLocker()
+    {
+        return SuccessResult();
+    }
+
+    /// <summary>
+    /// Does nothing for now since I believe the locker feature is deprecated.
+    /// </summary>
+    [HttpGet("locker")]
+    public IActionResult GetLocker()
+    {
+        return SuccessResult();
+    }
+
+}
diff --git a/Astral.ApiServer/Models/TokenGrantResultModel.cs b/Astral.ApiServer/Models/TokenGrantResultModel.cs
index 331462e..ce492b8 100644
--- a/Astral.ApiServer/Models/TokenGrantResultModel.cs
+++ b/Astral.ApiServer/Models/TokenGrantResultModel.cs
@@ -33,7 +33,7 @@ public class TokenGrantResultModel : ResultModel
         ExpiresIn = sessionDto.AccessTokenExpires.Ticks;
         RefreshToken = sessionDto.RefreshToken;
         Scope = sessionDto.Scope.ToString().ToLowerInvariant();
-        AccountId = sessionDto.UserId.ToString();
+        AccountId = sessionDto.UserId;
         AccountName = sessionDto.UserName;
         TokenType = "Bearer";
         AccountRoles = sessionDto.Role.GetAccessibleRoles().Select(role => role.ToString().ToLowerInvariant()).ToList();
@@ -79,7 +79,7 @@ public class TokenGrantResultModel : ResultModel
     /// The user's id.
     /// </summary>
     [JsonPropertyName("account_id")]
-    public string AccountId { get; set; }
+    public Guid AccountId { get; set; }
 
     /// <summary>
     /// The user's name.
diff --git a/Astral.ApiServer/Models/UserProfileResultModel.cs b/Astral.ApiServer/Models/UserProfileResultModel.cs
new file mode 100644
index 0000000..f6937c2
--- /dev/null
+++ b/Astral.ApiServer/Models/UserProfileResultModel.cs
@@ -0,0 +1,38 @@
+// <copyright file="UserProfileResultModel.cs" company="alveus.dev">
+// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
+// </copyright>
+
+using System.Text.Json.Serialization;
+using Astral.ApiServer.Models.Common;
+
+namespace Astral.ApiServer.Models;
+
+/// <summary>
+/// User profile request result.
+/// </summary>
+public class UserProfileResultModel : ResultModel
+{
+    /// <summary>
+    /// Account id (Even used?).
+    /// </summary>
+    [JsonPropertyName("accountId")]
+    public Guid AccountId { get; set; }
+
+    /// <summary>
+    /// Username.
+    /// </summary>
+    [JsonPropertyName("username")]
+    public string Username { get; set; }
+
+    /// <summary>
+    /// Discourse api key (Even used?).
+    /// </summary>
+    [JsonPropertyName("discourse_api_key")]
+    public string DiscourseApiKey { get; set; }
+
+    /// <summary>
+    /// XMPP Password (Even used?).
+    /// </summary>
+    [JsonPropertyName("xmpp_password")]
+    public string XmppPassword { get; set; }
+}
diff --git a/Astral.ApiServer/Program.cs b/Astral.ApiServer/Program.cs
index 3196a10..c92f5ab 100644
--- a/Astral.ApiServer/Program.cs
+++ b/Astral.ApiServer/Program.cs
@@ -36,6 +36,7 @@ builder.Services.AddHttpUserAgentMemoryCachedParser(opt =>
 
 builder.Services.AddHostedService<StartupService>();
 
+builder.Services.AddAstralApiServer();
 builder.Services.AddAstralCore();
 builder.Services.AddAstralServices();
 builder.Services.AddAstralDAL();
@@ -105,4 +106,4 @@ if (app.Environment.IsDevelopment())
 app.UseAuthorization();
 app.MapControllers();
 
-await app.RunAsync();
\ No newline at end of file
+await app.RunAsync();
diff --git a/Astral.ApiServer/Providers/IdentityProvider.cs b/Astral.ApiServer/Providers/IdentityProvider.cs
new file mode 100644
index 0000000..9607188
--- /dev/null
+++ b/Astral.ApiServer/Providers/IdentityProvider.cs
@@ -0,0 +1,45 @@
+// <copyright file="IdentityProvider.cs" company="alveus.dev">
+// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
+// </copyright>
+
+using System.Security.Claims;
+using Astral.Services.Constants;
+using Astral.Services.Interfaces;
+using Injectio.Attributes;
+
+namespace Astral.ApiServer.Providers;
+
+/// <inheritdoc />
+[RegisterScoped]
+public class IdentityProvider : IIdentityProvider
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="IdentityProvider"/> class.
+    /// </summary>
+    /// <param name="httpContextAccessor">Instance of <see cref="IHttpContextAccessor"/>.</param>
+    public IdentityProvider(IHttpContextAccessor httpContextAccessor)
+    {
+        var claims = httpContextAccessor.HttpContext?.User.Claims;
+        if (claims is not null)
+        {
+            Claims = claims;
+        }
+    }
+
+    /// <summary>
+    /// Session claims.
+    /// </summary>
+    private IEnumerable<Claim> Claims { get; set; }
+
+    /// <inheritdoc />
+    public Guid GetUserId()
+    {
+        return Guid.TryParse(Claims.FirstOrDefault(c => c.Type == ClaimIds.UserId)?.Value, out var guid) ? guid : Guid.Empty;
+    }
+
+    /// <inheritdoc />
+    public string GetUserName()
+    {
+        return Claims.FirstOrDefault(c => c.Type == ClaimIds.UserName)?.Value;
+    }
+}
diff --git a/Astral.Services/Interfaces/IIdentityProvider.cs b/Astral.Services/Interfaces/IIdentityProvider.cs
index af3bb45..9f23874 100644
--- a/Astral.Services/Interfaces/IIdentityProvider.cs
+++ b/Astral.Services/Interfaces/IIdentityProvider.cs
@@ -5,13 +5,19 @@
 namespace Astral.Services.Interfaces;
 
 /// <summary>
-///     Identify who the requesting user is.
+/// Identify who the requesting user is.
 /// </summary>
 public interface IIdentityProvider
 {
     /// <summary>
-    ///     Get the user id of the requester.
+    /// Get the user id of the authorised agent.
     /// </summary>
-    /// <returns>String representing the user id, or null if none.</returns>
-    string GetRequestingUserId();
+    /// <returns>Guid representing the user id, or empty guid if none.</returns>
+    Guid GetUserId();
+
+    /// <summary>
+    /// Get the username of the authorised agent.
+    /// </summary>
+    /// <returns>Username, or null if none.</returns>
+    string GetUserName();
 }