diff --git a/Iceshrimp.Backend/Controllers/AdminController.cs b/Iceshrimp.Backend/Controllers/AdminController.cs
index af2f217..ef82b6c 100644
--- a/Iceshrimp.Backend/Controllers/AdminController.cs
+++ b/Iceshrimp.Backend/Controllers/AdminController.cs
@@ -2,7 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Federation;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Extensions;
diff --git a/Iceshrimp.Backend/Controllers/AuthController.cs b/Iceshrimp.Backend/Controllers/AuthController.cs
index f19acdc..11edec7 100644
--- a/Iceshrimp.Backend/Controllers/AuthController.cs
+++ b/Iceshrimp.Backend/Controllers/AuthController.cs
@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Renderers;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Helpers;
diff --git a/Iceshrimp.Backend/Controllers/FallbackController.cs b/Iceshrimp.Backend/Controllers/FallbackController.cs
index ec3d114..84d90e6 100644
--- a/Iceshrimp.Backend/Controllers/FallbackController.cs
+++ b/Iceshrimp.Backend/Controllers/FallbackController.cs
@@ -1,6 +1,6 @@
 using System.Net;
 using System.Net.Mime;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Middleware;
 using Microsoft.AspNetCore.Mvc;
 
diff --git a/Iceshrimp.Backend/Controllers/Federation/ActivityPubController.cs b/Iceshrimp.Backend/Controllers/Federation/ActivityPubController.cs
index 6896092..9d2d92b 100644
--- a/Iceshrimp.Backend/Controllers/Federation/ActivityPubController.cs
+++ b/Iceshrimp.Backend/Controllers/Federation/ActivityPubController.cs
@@ -1,7 +1,7 @@
 using System.Text;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Federation.Attributes;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Extensions;
diff --git a/Iceshrimp.Backend/Controllers/Federation/WellKnownController.cs b/Iceshrimp.Backend/Controllers/Federation/WellKnownController.cs
index a89317f..c0525b4 100644
--- a/Iceshrimp.Backend/Controllers/Federation/WellKnownController.cs
+++ b/Iceshrimp.Backend/Controllers/Federation/WellKnownController.cs
@@ -4,7 +4,7 @@ using System.Text;
 using System.Xml.Serialization;
 using Iceshrimp.Backend.Controllers.Federation.Attributes;
 using Iceshrimp.Backend.Controllers.Federation.Schemas;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
diff --git a/Iceshrimp.Backend/Controllers/NoteController.cs b/Iceshrimp.Backend/Controllers/NoteController.cs
index 23cfdbd..04ce53f 100644
--- a/Iceshrimp.Backend/Controllers/NoteController.cs
+++ b/Iceshrimp.Backend/Controllers/NoteController.cs
@@ -3,7 +3,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Renderers;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Extensions;
@@ -74,7 +74,7 @@ public class NoteController(
 
 	[HttpGet("{id}/descendants")]
 	[Authenticate]
-	[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(NoteResponse))]
+	[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IEnumerable<NoteResponse>))]
 	[ProducesResponseType(StatusCodes.Status404NotFound, Type = typeof(ErrorResponse))]
 	public async Task<IActionResult> GetNoteDescendants(
 		string id, [FromQuery] [DefaultValue(20)] [Range(1, 100)] int? depth
diff --git a/Iceshrimp.Backend/Controllers/NotificationController.cs b/Iceshrimp.Backend/Controllers/NotificationController.cs
index 3711119..8c642a4 100644
--- a/Iceshrimp.Backend/Controllers/NotificationController.cs
+++ b/Iceshrimp.Backend/Controllers/NotificationController.cs
@@ -2,6 +2,7 @@ using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Renderers;
 using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Middleware;
diff --git a/Iceshrimp.Backend/Controllers/Renderers/NoteRenderer.cs b/Iceshrimp.Backend/Controllers/Renderers/NoteRenderer.cs
index 5f4c9fc..9688eac 100644
--- a/Iceshrimp.Backend/Controllers/Renderers/NoteRenderer.cs
+++ b/Iceshrimp.Backend/Controllers/Renderers/NoteRenderer.cs
@@ -1,4 +1,4 @@
- using Iceshrimp.Backend.Controllers.Schemas;
+ using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Extensions;
diff --git a/Iceshrimp.Backend/Controllers/Renderers/NotificationRenderer.cs b/Iceshrimp.Backend/Controllers/Renderers/NotificationRenderer.cs
index 3a0d798..7ef8b82 100644
--- a/Iceshrimp.Backend/Controllers/Renderers/NotificationRenderer.cs
+++ b/Iceshrimp.Backend/Controllers/Renderers/NotificationRenderer.cs
@@ -1,4 +1,4 @@
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Extensions;
 
diff --git a/Iceshrimp.Backend/Controllers/Renderers/UserProfileRenderer.cs b/Iceshrimp.Backend/Controllers/Renderers/UserProfileRenderer.cs
index 7d0d8e5..9b75c85 100644
--- a/Iceshrimp.Backend/Controllers/Renderers/UserProfileRenderer.cs
+++ b/Iceshrimp.Backend/Controllers/Renderers/UserProfileRenderer.cs
@@ -1,4 +1,4 @@
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Extensions;
@@ -28,12 +28,19 @@ public class UserProfileRenderer(DatabaseContext db)
 			_                                             => throw new ArgumentOutOfRangeException()
 		};
 
+		var fields = user.UserProfile?.Fields.Select(p => new UserProfileField
+		{
+			Name       = p.Name,
+			Value      = p.Value,
+			IsVerified = p.IsVerified
+		});
+
 		return new UserProfileResponse
 		{
 			Id        = user.Id,
 			Bio       = user.UserProfile?.Description,
 			Birthday  = user.UserProfile?.Birthday,
-			Fields    = user.UserProfile?.Fields,
+			Fields    = fields?.ToList(),
 			Location  = user.UserProfile?.Location,
 			Followers = followers,
 			Following = following
diff --git a/Iceshrimp.Backend/Controllers/Renderers/UserRenderer.cs b/Iceshrimp.Backend/Controllers/Renderers/UserRenderer.cs
index e9c5a8b..f7fbc26 100644
--- a/Iceshrimp.Backend/Controllers/Renderers/UserRenderer.cs
+++ b/Iceshrimp.Backend/Controllers/Renderers/UserRenderer.cs
@@ -1,4 +1,4 @@
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
diff --git a/Iceshrimp.Backend/Controllers/Schemas/UserProfileResponse.cs b/Iceshrimp.Backend/Controllers/Schemas/UserProfileResponse.cs
deleted file mode 100644
index 8d3a6e7..0000000
--- a/Iceshrimp.Backend/Controllers/Schemas/UserProfileResponse.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using Iceshrimp.Backend.Core.Database.Tables;
-using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
-
-namespace Iceshrimp.Backend.Controllers.Schemas;
-
-public class UserProfileResponse
-{
-	[J("id")]        public required string               Id        { get; set; }
-	[J("birthday")]  public required string?              Birthday  { get; set; }
-	[J("location")]  public required string?              Location  { get; set; }
-	[J("fields")]    public required UserProfile.Field[]? Fields    { get; set; }
-	[J("bio")]       public required string?              Bio       { get; set; }
-	[J("followers")] public required int?                 Followers { get; set; }
-	[J("following")] public required int?                 Following { get; set; }
-}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Controllers/TimelineController.cs b/Iceshrimp.Backend/Controllers/TimelineController.cs
index 3f8df48..dd2ddba 100644
--- a/Iceshrimp.Backend/Controllers/TimelineController.cs
+++ b/Iceshrimp.Backend/Controllers/TimelineController.cs
@@ -2,6 +2,7 @@ using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Renderers;
 using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Middleware;
diff --git a/Iceshrimp.Backend/Controllers/UserController.cs b/Iceshrimp.Backend/Controllers/UserController.cs
index fdf1bda..2b1cd2e 100644
--- a/Iceshrimp.Backend/Controllers/UserController.cs
+++ b/Iceshrimp.Backend/Controllers/UserController.cs
@@ -2,6 +2,7 @@ using System.Net.Mime;
 using Iceshrimp.Backend.Controllers.Attributes;
 using Iceshrimp.Backend.Controllers.Renderers;
 using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Middleware;
diff --git a/Iceshrimp.Backend/Core/Database/Tables/UserProfile.cs b/Iceshrimp.Backend/Core/Database/Tables/UserProfile.cs
index 88ff3ee..8a21971 100644
--- a/Iceshrimp.Backend/Core/Database/Tables/UserProfile.cs
+++ b/Iceshrimp.Backend/Core/Database/Tables/UserProfile.cs
@@ -180,8 +180,8 @@ public class UserProfile
 
 	public class Field
 	{
-		[J("name")]     public required string Name       { get; set; }
-		[J("value")]    public required string Value      { get; set; }
-		[J("verified")] public          bool?  IsVerified { get; set; }
+		public required string Name       { get; set; }
+		public required string Value      { get; set; }
+		public          bool?  IsVerified { get; set; }
 	}
 }
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Core/Extensions/QueryableExtensions.cs b/Iceshrimp.Backend/Core/Extensions/QueryableExtensions.cs
index 444def9..92e6cd9 100644
--- a/Iceshrimp.Backend/Core/Extensions/QueryableExtensions.cs
+++ b/Iceshrimp.Backend/Core/Extensions/QueryableExtensions.cs
@@ -5,6 +5,7 @@ using Iceshrimp.Backend.Controllers.Mastodon.Renderers;
 using Iceshrimp.Backend.Controllers.Mastodon.Schemas;
 using Iceshrimp.Backend.Controllers.Mastodon.Schemas.Entities;
 using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
 using Iceshrimp.Backend.Core.Middleware;
diff --git a/Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs b/Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs
index 49b8d2f..2bf5da4 100644
--- a/Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs
+++ b/Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs
@@ -2,7 +2,7 @@ using System.Threading.RateLimiting;
 using Iceshrimp.Backend.Controllers.Federation;
 using Iceshrimp.Backend.Controllers.Mastodon.Renderers;
 using Iceshrimp.Backend.Controllers.Renderers;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Federation.WebFinger;
diff --git a/Iceshrimp.Backend/Core/Middleware/ErrorHandlerMiddleware.cs b/Iceshrimp.Backend/Core/Middleware/ErrorHandlerMiddleware.cs
index d30c92a..94413e5 100644
--- a/Iceshrimp.Backend/Core/Middleware/ErrorHandlerMiddleware.cs
+++ b/Iceshrimp.Backend/Core/Middleware/ErrorHandlerMiddleware.cs
@@ -2,7 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Net;
 using Iceshrimp.Backend.Controllers.Mastodon.Attributes;
 using Iceshrimp.Backend.Controllers.Mastodon.Schemas;
-using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Shared.Schemas;
 using Iceshrimp.Backend.Core.Configuration;
 using Microsoft.Extensions.Options;
 
diff --git a/Iceshrimp.Backend/Hubs/ExampleHub.cs b/Iceshrimp.Backend/Hubs/ExampleHub.cs
new file mode 100644
index 0000000..2fc057b
--- /dev/null
+++ b/Iceshrimp.Backend/Hubs/ExampleHub.cs
@@ -0,0 +1,10 @@
+using Microsoft.AspNetCore.SignalR;
+namespace Iceshrimp.Backend.Hubs;
+
+public class ExampleHub : Hub
+{
+	public async Task SendMessage(string user, string message)
+	{
+		await Clients.All.SendAsync("ReceiveMessage", user, message);
+	}
+}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Iceshrimp.Backend.csproj b/Iceshrimp.Backend/Iceshrimp.Backend.csproj
index 7a4a179..02fc847 100644
--- a/Iceshrimp.Backend/Iceshrimp.Backend.csproj
+++ b/Iceshrimp.Backend/Iceshrimp.Backend.csproj
@@ -33,6 +33,7 @@
         <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.3" />
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.3" />
         <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.3" />
+        <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="8.0.3" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.3">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -59,6 +60,7 @@
     <ItemGroup>
         <ProjectReference Include="..\Iceshrimp.Frontend\Iceshrimp.Frontend.csproj" />
         <ProjectReference Include="..\Iceshrimp.Parsing\Iceshrimp.Parsing.fsproj"/>
+        <ProjectReference Include="..\Iceshrimp.Shared\Iceshrimp.Shared.csproj" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Iceshrimp.Backend/Startup.cs b/Iceshrimp.Backend/Startup.cs
index 41fc623..a51d728 100644
--- a/Iceshrimp.Backend/Startup.cs
+++ b/Iceshrimp.Backend/Startup.cs
@@ -1,4 +1,5 @@
 using Iceshrimp.Backend.Core.Extensions;
+using Iceshrimp.Backend.Hubs;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -16,6 +17,8 @@ builder.Services.AddLogging(logging => logging.AddCustomConsoleFormatter());
 builder.Services.AddDatabaseContext(builder.Configuration);
 builder.Services.AddSlidingWindowRateLimiter();
 builder.Services.AddCorsPolicies();
+builder.Services.AddSignalR().AddMessagePackProtocol();
+builder.Services.AddResponseCompression();
 
 if (builder.Environment.IsDevelopment())
 	builder.Services.AddRazorPages().AddRazorRuntimeCompilation();
@@ -31,6 +34,9 @@ var app    = builder.Build();
 var config = await app.Initialize(args);
 
 // This determines the order of middleware execution in the request pipeline
+if (!app.Environment.IsDevelopment())
+	app.UseResponseCompression();
+
 app.UseRouting();
 app.UseSwaggerWithOptions();
 app.UseBlazorFrameworkFiles();
@@ -43,6 +49,7 @@ app.UseCustomMiddleware();
 
 app.MapControllers();
 app.MapFallbackToController("/api/{**slug}", "FallbackAction", "Fallback");
+app.MapHub<ExampleHub>("/hubs/example");
 app.MapRazorPages();
 app.MapFallbackToPage("/Shared/FrontendSPA");
 
diff --git a/Iceshrimp.Frontend/Core/ControllerModels/NoteControllerModel.cs b/Iceshrimp.Frontend/Core/ControllerModels/NoteControllerModel.cs
new file mode 100644
index 0000000..573af15
--- /dev/null
+++ b/Iceshrimp.Frontend/Core/ControllerModels/NoteControllerModel.cs
@@ -0,0 +1,26 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using Iceshrimp.Frontend.Core.Extensions;
+using Iceshrimp.Shared.Schemas;
+using Microsoft.AspNetCore.Http;
+
+namespace Iceshrimp.Frontend.Core.ControllerModels;
+
+internal class NoteControllerModel(HttpClient api)
+{
+	public Task<NoteResponse?> GetNote(string id) => api.CallNullable<NoteResponse>(HttpMethod.Get, $"/note/{id}");
+
+	public Task<NoteResponse?> GetNoteAscendants(string id, [DefaultValue(20)] [Range(1, 100)] int? limit)
+	{
+		var query = new QueryString();
+		if (limit.HasValue) query.Add("limit", limit.ToString());
+		return api.CallNullable<NoteResponse>(HttpMethod.Get, $"/note/{id}/ascendants", query);
+	}
+
+	public Task<NoteResponse?> GetNoteDescendants(string id, [DefaultValue(20)] [Range(1, 100)] int? depth)
+	{
+		var query = new QueryString();
+		if (depth.HasValue) query.Add("depth", depth.ToString());
+		return api.CallNullable<NoteResponse>(HttpMethod.Get, $"/note/{id}/descendants", query);
+	}
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Core/Extensions/HttpClientExtensions.cs b/Iceshrimp.Frontend/Core/Extensions/HttpClientExtensions.cs
new file mode 100644
index 0000000..85160e9
--- /dev/null
+++ b/Iceshrimp.Frontend/Core/Extensions/HttpClientExtensions.cs
@@ -0,0 +1,59 @@
+using System.Net.Http.Json;
+using System.Net.Mime;
+using System.Text;
+using Iceshrimp.Frontend.Core.Miscellaneous;
+using Iceshrimp.Shared.Schemas;
+using Microsoft.AspNetCore.Http;
+
+namespace Iceshrimp.Frontend.Core.Extensions;
+
+internal static class HttpClientExtensions
+{
+	public static async Task<T> Call<T>(
+		this HttpClient client, HttpMethod method, string path, QueryString? query = null, string? body = null
+	) where T : class
+	{
+		var res = await CallInternal<T>(client, method, path, query, body);
+		if (res.result != null)
+			return res.result;
+		throw new ApiException(res.error ?? throw new Exception("Deserialized API error was null"));
+	}
+
+	public static async Task<T?> CallNullable<T>(
+		this HttpClient client, HttpMethod method, string path, QueryString? query = null, string? body = null
+	) where T : class
+	{
+		var res = await CallInternal<T>(client, method, path, query, body);
+		if (res.result != null)
+			return res.result;
+
+		var err = res.error ?? throw new Exception("Deserialized API error was null");
+		if (err.StatusCode == 404)
+			return null;
+
+		throw new ApiException(err);
+	}
+
+	private static async Task<(T? result, ErrorResponse? error)> CallInternal<T>(
+		this HttpClient client, HttpMethod method, string path, QueryString? query = null, string? body = null
+	) where T : class
+	{
+		var request = new HttpRequestMessage(method, "/api/iceshrimp/" + path.TrimStart('/') + query);
+		request.Headers.Accept.ParseAdd(MediaTypeNames.Application.Json);
+		if (body != null) request.Content = new StringContent(body, Encoding.UTF8, MediaTypeNames.Application.Json);
+
+		var res = await client.SendAsync(request);
+		if (res.IsSuccessStatusCode)
+		{
+			var deserialized = await res.Content.ReadFromJsonAsync<T>();
+			if (deserialized == null)
+				throw new Exception("Deserialized API response was null");
+			return (deserialized, null);
+		}
+
+		var error = await res.Content.ReadFromJsonAsync<ErrorResponse>();
+		if (error == null)
+			throw new Exception("Deserialized API error was null");
+		return (null, error);
+	}
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Core/Extensions/HttpResponseMessageExtensions.cs b/Iceshrimp.Frontend/Core/Extensions/HttpResponseMessageExtensions.cs
new file mode 100644
index 0000000..fa1a3ac
--- /dev/null
+++ b/Iceshrimp.Frontend/Core/Extensions/HttpResponseMessageExtensions.cs
@@ -0,0 +1,6 @@
+namespace Iceshrimp.Frontend.Core.Extensions;
+
+public class HttpResponseMessageExtensions
+{
+	
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Core/Miscellaneous/ApiException.cs b/Iceshrimp.Frontend/Core/Miscellaneous/ApiException.cs
new file mode 100644
index 0000000..125a804
--- /dev/null
+++ b/Iceshrimp.Frontend/Core/Miscellaneous/ApiException.cs
@@ -0,0 +1,8 @@
+using Iceshrimp.Shared.Schemas;
+
+namespace Iceshrimp.Frontend.Core.Miscellaneous;
+
+internal class ApiException(ErrorResponse error) : Exception
+{
+	public ErrorResponse Response => error;
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Core/Services/ApiService.cs b/Iceshrimp.Frontend/Core/Services/ApiService.cs
new file mode 100644
index 0000000..e8ef81d
--- /dev/null
+++ b/Iceshrimp.Frontend/Core/Services/ApiService.cs
@@ -0,0 +1,8 @@
+using Iceshrimp.Frontend.Core.ControllerModels;
+
+namespace Iceshrimp.Frontend.Core.Services;
+
+internal class ApiService(HttpClient client)
+{
+	internal NoteControllerModel Notes = new(client);
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Iceshrimp.Frontend.csproj b/Iceshrimp.Frontend/Iceshrimp.Frontend.csproj
index c9ab3cf..6d4a5a9 100644
--- a/Iceshrimp.Frontend/Iceshrimp.Frontend.csproj
+++ b/Iceshrimp.Frontend/Iceshrimp.Frontend.csproj
@@ -5,6 +5,7 @@
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
         <PublishTrimmed>true</PublishTrimmed>
+        <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(EnableAOT)' == 'true'">
@@ -13,6 +14,9 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.3" />
+        <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
+        <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.3" />
+        <PackageReference Include="Microsoft.AspNetCore.SignalR.Protocols.MessagePack" Version="8.0.3" />
     </ItemGroup>
 
     <ItemGroup>
@@ -24,4 +28,9 @@
       <_ContentIncludedByDefault Remove="wwwroot\assets\transparent.png" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\Iceshrimp.Parsing\Iceshrimp.Parsing.fsproj" />
+      <ProjectReference Include="..\Iceshrimp.Shared\Iceshrimp.Shared.csproj" />
+    </ItemGroup>
+
 </Project>
diff --git a/Iceshrimp.Frontend/Pages/Counter.razor b/Iceshrimp.Frontend/Pages/Counter.razor
index d66f697..70d4668 100644
--- a/Iceshrimp.Frontend/Pages/Counter.razor
+++ b/Iceshrimp.Frontend/Pages/Counter.razor
@@ -4,7 +4,7 @@
 
 <h1>Counter</h1>
 
-<p role="status">Current count: @_currentCount</p>
+<p role="status">Current count (edited): @_currentCount</p>
 
 <button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
 
diff --git a/Iceshrimp.Frontend/Pages/Hub.razor b/Iceshrimp.Frontend/Pages/Hub.razor
new file mode 100644
index 0000000..0bb6dd8
--- /dev/null
+++ b/Iceshrimp.Frontend/Pages/Hub.razor
@@ -0,0 +1,72 @@
+@page "/hub"
+@using Microsoft.AspNetCore.SignalR.Client
+@inject NavigationManager Navigation
+@implements IAsyncDisposable
+
+<PageTitle>Home</PageTitle>
+
+<div class="form-group">
+    <label>
+        User:
+        <input @bind="userInput" />
+    </label>
+</div>
+<div class="form-group">
+    <label>
+        Message:
+        <input @bind="messageInput" size="50" />
+    </label>
+</div>
+<button @onclick="Send" disabled="@(!IsConnected)">Send</button>
+
+<hr>
+
+<ul id="messagesList">
+    @foreach (var message in messages)
+    {
+        <li>@message</li>
+    }
+</ul>
+
+@code {
+    private HubConnection? hubConnection;
+    private List<string>   messages = [];
+    private string?        userInput;
+    private string?        messageInput;
+
+    protected override async Task OnInitializedAsync()
+    {
+        hubConnection = new HubConnectionBuilder()
+                        .WithUrl(Navigation.ToAbsoluteUri("/hubs/example"))
+                        .AddMessagePackProtocol()
+                        .Build();
+
+        hubConnection.On<string, string>("ReceiveMessage", (user, message) =>
+        {
+            var encodedMsg = $"{user}: {message}";
+            messages.Add(encodedMsg);
+            InvokeAsync(StateHasChanged);
+        });
+
+        await hubConnection.StartAsync();
+    }
+
+    private async Task Send()
+    {
+        if (hubConnection is not null)
+        {
+            await hubConnection.SendAsync("SendMessage", userInput, messageInput);
+        }
+    }
+
+    public bool IsConnected =>
+        hubConnection?.State == HubConnectionState.Connected;
+
+    public async ValueTask DisposeAsync()
+    {
+        if (hubConnection is not null)
+        {
+            await hubConnection.DisposeAsync();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Pages/TestNote.razor b/Iceshrimp.Frontend/Pages/TestNote.razor
new file mode 100644
index 0000000..a628604
--- /dev/null
+++ b/Iceshrimp.Frontend/Pages/TestNote.razor
@@ -0,0 +1,44 @@
+@page "/TestNote/{id}"
+@using Iceshrimp.Frontend.Core.Miscellaneous
+@using Iceshrimp.Frontend.Core.Services
+@using Iceshrimp.Shared.Schemas
+@inject ApiService Api
+<h3>TestNote</h3>
+
+@if (_note != null)
+{
+    <p id="text">@_note.Text</p>
+}
+else if (_error != null)
+{
+    <p>Error!: @_error.Error</p>
+}
+else
+{
+    <p>Fetching note...</p>
+}
+
+@code {
+    [Parameter]
+    public string Id { get; set; } = null!;
+
+    private ErrorResponse? _error;
+    private NoteResponse?  _note;
+
+    protected override async Task OnInitializedAsync()
+    {
+        try
+        {
+            _note = await Api.Notes.GetNote(Id) ?? throw new ApiException(new ErrorResponse
+            {
+                StatusCode = 404,
+                Error      = "Note not found",
+                RequestId  = "-"
+            });
+        }
+        catch (ApiException e)
+        {
+            _error = e.Response;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Iceshrimp.Frontend/Program.cs b/Iceshrimp.Frontend/Program.cs
index edd29dc..491fcad 100644
--- a/Iceshrimp.Frontend/Program.cs
+++ b/Iceshrimp.Frontend/Program.cs
@@ -1,11 +1,13 @@
 using Microsoft.AspNetCore.Components.Web;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 using Iceshrimp.Frontend;
+using Iceshrimp.Frontend.Core.Services;
 
 var builder = WebAssemblyHostBuilder.CreateDefault(args);
 builder.RootComponents.Add<App>("#app");
 builder.RootComponents.Add<HeadOutlet>("head::after");
 
 builder.Services.AddScoped(_ => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
+builder.Services.AddScoped<ApiService>();
 
 await builder.Build().RunAsync();
\ No newline at end of file
diff --git a/Iceshrimp.NET.sln b/Iceshrimp.NET.sln
index 344e22c..bb20a25 100644
--- a/Iceshrimp.NET.sln
+++ b/Iceshrimp.NET.sln
@@ -8,6 +8,8 @@ Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "Iceshrimp.Parsing", "Iceshr
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Iceshrimp.Frontend", "Iceshrimp.Frontend\Iceshrimp.Frontend.csproj", "{8BAF3DEB-19A7-4044-A3F3-75C8B9B51863}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Iceshrimp.Shared", "Iceshrimp.Shared\Iceshrimp.Shared.csproj", "{25E8E423-D2F7-437B-8E9B-5277BA5CE3CD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +32,9 @@ Global
 		{8BAF3DEB-19A7-4044-A3F3-75C8B9B51863}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8BAF3DEB-19A7-4044-A3F3-75C8B9B51863}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8BAF3DEB-19A7-4044-A3F3-75C8B9B51863}.Release|Any CPU.Build.0 = Release|Any CPU
+		{25E8E423-D2F7-437B-8E9B-5277BA5CE3CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{25E8E423-D2F7-437B-8E9B-5277BA5CE3CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{25E8E423-D2F7-437B-8E9B-5277BA5CE3CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{25E8E423-D2F7-437B-8E9B-5277BA5CE3CD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/Iceshrimp.Shared/Iceshrimp.Shared.csproj b/Iceshrimp.Shared/Iceshrimp.Shared.csproj
new file mode 100644
index 0000000..3a63532
--- /dev/null
+++ b/Iceshrimp.Shared/Iceshrimp.Shared.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
diff --git a/Iceshrimp.Backend/Controllers/Schemas/AuthRequest.cs b/Iceshrimp.Shared/Schemas/AuthRequest.cs
similarity index 91%
rename from Iceshrimp.Backend/Controllers/Schemas/AuthRequest.cs
rename to Iceshrimp.Shared/Schemas/AuthRequest.cs
index f691928..35b8265 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/AuthRequest.cs
+++ b/Iceshrimp.Shared/Schemas/AuthRequest.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class AuthRequest
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/AuthResponse.cs b/Iceshrimp.Shared/Schemas/AuthResponse.cs
similarity index 93%
rename from Iceshrimp.Backend/Controllers/Schemas/AuthResponse.cs
rename to Iceshrimp.Shared/Schemas/AuthResponse.cs
index 6e2f78b..ec11bdd 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/AuthResponse.cs
+++ b/Iceshrimp.Shared/Schemas/AuthResponse.cs
@@ -3,7 +3,7 @@ using System.Text.Json.Serialization;
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 using JE = System.Runtime.Serialization.EnumMemberAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class AuthStatusConverter() : JsonStringEnumConverter<AuthStatusEnum>(JsonNamingPolicy.SnakeCaseLower);
 
diff --git a/Iceshrimp.Backend/Controllers/Schemas/ErrorResponse.cs b/Iceshrimp.Shared/Schemas/ErrorResponse.cs
similarity index 93%
rename from Iceshrimp.Backend/Controllers/Schemas/ErrorResponse.cs
rename to Iceshrimp.Shared/Schemas/ErrorResponse.cs
index 781bffa..d1fe69e 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/ErrorResponse.cs
+++ b/Iceshrimp.Shared/Schemas/ErrorResponse.cs
@@ -2,7 +2,7 @@ using System.Text.Json.Serialization;
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 using JI = System.Text.Json.Serialization.JsonIgnoreAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class ErrorResponse
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/InviteResponse.cs b/Iceshrimp.Shared/Schemas/InviteResponse.cs
similarity index 76%
rename from Iceshrimp.Backend/Controllers/Schemas/InviteResponse.cs
rename to Iceshrimp.Shared/Schemas/InviteResponse.cs
index b81d27e..5b3db50 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/InviteResponse.cs
+++ b/Iceshrimp.Shared/Schemas/InviteResponse.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class InviteResponse
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/NoteCreateRequest.cs b/Iceshrimp.Shared/Schemas/NoteCreateRequest.cs
similarity index 88%
rename from Iceshrimp.Backend/Controllers/Schemas/NoteCreateRequest.cs
rename to Iceshrimp.Shared/Schemas/NoteCreateRequest.cs
index b89a1bd..c2d1390 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/NoteCreateRequest.cs
+++ b/Iceshrimp.Shared/Schemas/NoteCreateRequest.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class NoteCreateRequest
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/NoteResponse.cs b/Iceshrimp.Shared/Schemas/NoteResponse.cs
similarity index 97%
rename from Iceshrimp.Backend/Controllers/Schemas/NoteResponse.cs
rename to Iceshrimp.Shared/Schemas/NoteResponse.cs
index bc649ee..445073f 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/NoteResponse.cs
+++ b/Iceshrimp.Shared/Schemas/NoteResponse.cs
@@ -1,7 +1,7 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 using JI = System.Text.Json.Serialization.JsonIgnoreAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class NoteResponse : NoteWithQuote
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/NotificationResponse.cs b/Iceshrimp.Shared/Schemas/NotificationResponse.cs
similarity index 91%
rename from Iceshrimp.Backend/Controllers/Schemas/NotificationResponse.cs
rename to Iceshrimp.Shared/Schemas/NotificationResponse.cs
index c60f06c..780f774 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/NotificationResponse.cs
+++ b/Iceshrimp.Shared/Schemas/NotificationResponse.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class NotificationResponse
 {
diff --git a/Iceshrimp.Shared/Schemas/UserProfileResponse.cs b/Iceshrimp.Shared/Schemas/UserProfileResponse.cs
new file mode 100644
index 0000000..289048c
--- /dev/null
+++ b/Iceshrimp.Shared/Schemas/UserProfileResponse.cs
@@ -0,0 +1,21 @@
+using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
+
+namespace Iceshrimp.Shared.Schemas;
+
+public class UserProfileResponse
+{
+	[J("id")]        public required string              Id        { get; set; }
+	[J("birthday")]  public required string?             Birthday  { get; set; }
+	[J("location")]  public required string?             Location  { get; set; }
+	[J("fields")]    public required List<UserProfileField>? Fields    { get; set; }
+	[J("bio")]       public required string?             Bio       { get; set; }
+	[J("followers")] public required int?                Followers { get; set; }
+	[J("following")] public required int?                Following { get; set; }
+}
+
+public class UserProfileField
+{
+	[J("name")]     public required string Name       { get; set; }
+	[J("value")]    public required string Value      { get; set; }
+	[J("verified")] public          bool?  IsVerified { get; set; }
+}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Controllers/Schemas/UserResponse.cs b/Iceshrimp.Shared/Schemas/UserResponse.cs
similarity index 92%
rename from Iceshrimp.Backend/Controllers/Schemas/UserResponse.cs
rename to Iceshrimp.Shared/Schemas/UserResponse.cs
index e6acf81..630bc55 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/UserResponse.cs
+++ b/Iceshrimp.Shared/Schemas/UserResponse.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class UserResponse
 {
diff --git a/Iceshrimp.Backend/Controllers/Schemas/ValueResponse.cs b/Iceshrimp.Shared/Schemas/ValueResponse.cs
similarity index 77%
rename from Iceshrimp.Backend/Controllers/Schemas/ValueResponse.cs
rename to Iceshrimp.Shared/Schemas/ValueResponse.cs
index f41f51b..276503b 100644
--- a/Iceshrimp.Backend/Controllers/Schemas/ValueResponse.cs
+++ b/Iceshrimp.Shared/Schemas/ValueResponse.cs
@@ -1,6 +1,6 @@
 using J = System.Text.Json.Serialization.JsonPropertyNameAttribute;
 
-namespace Iceshrimp.Backend.Controllers.Schemas;
+namespace Iceshrimp.Shared.Schemas;
 
 public class ValueResponse(long count)
 {