diff --git a/src/Tgstation.Server.Host/Authority/Core/AuthorityBase.cs b/src/Tgstation.Server.Host/Authority/Core/AuthorityBase.cs
index 898c701eb8..f0e39151a3 100644
--- a/src/Tgstation.Server.Host/Authority/Core/AuthorityBase.cs
+++ b/src/Tgstation.Server.Host/Authority/Core/AuthorityBase.cs
@@ -53,6 +53,16 @@ namespace Tgstation.Server.Host.Authority.Core
 				new ErrorMessageResponse(),
 				HttpFailureResponse.Unauthorized);
 
+		/// <summary>
+		/// Generates a <see cref="HttpFailureResponse.Forbidden"/> type <see cref="AuthorityResponse{TResult}"/>.
+		/// </summary>
+		/// <typeparam name="TResult">The <see cref="Type"/> of the <see cref="AuthorityResponse{TResult}.Result"/>.</typeparam>
+		/// <returns>A new, errored <see cref="AuthorityResponse{TResult}"/>.</returns>
+		protected static AuthorityResponse<TResult> Gone<TResult>()
+			=> new(
+				new ErrorMessageResponse(),
+				HttpFailureResponse.Gone);
+
 		/// <summary>
 		/// Generates a <see cref="HttpFailureResponse.Forbidden"/> type <see cref="AuthorityResponse{TResult}"/>.
 		/// </summary>
@@ -73,6 +83,17 @@ namespace Tgstation.Server.Host.Authority.Core
 				new ErrorMessageResponse(),
 				HttpFailureResponse.NotFound);
 
+		/// <summary>
+		/// Generates a <see cref="HttpFailureResponse.Conflict"/> type <see cref="AuthorityResponse{TResult}"/>.
+		/// </summary>
+		/// <typeparam name="TResult">The <see cref="Type"/> of the <see cref="AuthorityResponse{TResult}.Result"/>.</typeparam>
+		/// <param name="errorCode">The <see cref="ErrorCode"/>.</param>
+		/// <returns>A new, errored <see cref="AuthorityResponse{TResult}"/>.</returns>
+		protected static AuthorityResponse<TResult> Conflict<TResult>(ErrorCode errorCode)
+			=> new(
+				new ErrorMessageResponse(errorCode),
+				HttpFailureResponse.Conflict);
+
 		/// <summary>
 		/// Initializes a new instance of the <see cref="AuthorityBase"/> class.
 		/// </summary>
diff --git a/src/Tgstation.Server.Host/Authority/Core/AuthorityResponse{TResult}.cs b/src/Tgstation.Server.Host/Authority/Core/AuthorityResponse{TResult}.cs
index 44376f488c..9c2cfd295c 100644
--- a/src/Tgstation.Server.Host/Authority/Core/AuthorityResponse{TResult}.cs
+++ b/src/Tgstation.Server.Host/Authority/Core/AuthorityResponse{TResult}.cs
@@ -13,10 +13,16 @@ namespace Tgstation.Server.Host.Authority.Core
 	public sealed class AuthorityResponse<TResult> : AuthorityResponse
 	{
 		/// <inheritdoc />
-		[MemberNotNullWhen(true, nameof(Result))]
-		[MemberNotNullWhen(true, nameof(SuccessResponse))]
+		[MemberNotNullWhen(true, nameof(IsNoContent))]
 		public override bool Success => base.Success;
 
+		/// <summary>
+		/// Checks if a the <see cref="AuthorityResponse{TResult}"/> is a no content result. Only set on <see cref="Success"/>.
+		/// </summary>
+		[MemberNotNullWhen(false, nameof(Result))]
+		[MemberNotNullWhen(false, nameof(Result))]
+		public bool? IsNoContent => Success ? Result == null : null;
+
 		/// <summary>
 		/// The success <typeparamref name="TResult"/>.
 		/// </summary>
@@ -47,5 +53,13 @@ namespace Tgstation.Server.Host.Authority.Core
 			Result = result ?? throw new ArgumentNullException(nameof(result));
 			SuccessResponse = httpResponse;
 		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="AuthorityResponse{TResult}"/> class.
+		/// </summary>
+		/// <remarks>This generates an HTTP 204 response.</remarks>
+		public AuthorityResponse()
+		{
+		}
 	}
 }
diff --git a/src/Tgstation.Server.Host/Authority/Core/GraphQLAuthorityInvoker{TAuthority}.cs b/src/Tgstation.Server.Host/Authority/Core/GraphQLAuthorityInvoker{TAuthority}.cs
index 794bd467ef..a25a04e278 100644
--- a/src/Tgstation.Server.Host/Authority/Core/GraphQLAuthorityInvoker{TAuthority}.cs
+++ b/src/Tgstation.Server.Host/Authority/Core/GraphQLAuthorityInvoker{TAuthority}.cs
@@ -13,11 +13,12 @@ namespace Tgstation.Server.Host.Authority.Core
 		/// Throws a <see cref="ErrorMessageException"/> for errored <paramref name="authorityResponse"/>s.
 		/// </summary>
 		/// <param name="authorityResponse">The potentially errored <paramref name="authorityResponse"/>.</param>
-		static void ThrowGraphQLErrorIfNecessary(AuthorityResponse authorityResponse)
+		/// <param name="errorOnMissing">If an error should be raised for <see cref="HttpFailureResponse.NotFound"/> and <see cref="HttpFailureResponse.Gone"/> failures.</param>
+		static void ThrowGraphQLErrorIfNecessary(AuthorityResponse authorityResponse, bool errorOnMissing)
 		{
 			if (authorityResponse.Success
-				|| authorityResponse.FailureResponse.Value == HttpFailureResponse.NotFound
-				|| authorityResponse.FailureResponse.Value == HttpFailureResponse.Gone)
+				|| ((authorityResponse.FailureResponse.Value == HttpFailureResponse.NotFound
+				|| authorityResponse.FailureResponse.Value == HttpFailureResponse.Gone) && !errorOnMissing))
 				return;
 
 			var fallbackString = authorityResponse.FailureResponse.ToString()!;
@@ -39,33 +40,41 @@ namespace Tgstation.Server.Host.Authority.Core
 			ArgumentNullException.ThrowIfNull(authorityInvoker);
 
 			var authorityResponse = await authorityInvoker(Authority);
-			ThrowGraphQLErrorIfNecessary(authorityResponse);
+			ThrowGraphQLErrorIfNecessary(authorityResponse, true);
 		}
 
 		/// <inheritdoc />
-		async ValueTask<TApiModel?> IGraphQLAuthorityInvoker<TAuthority>.Invoke<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+		async ValueTask<TApiModel?> IGraphQLAuthorityInvoker<TAuthority>.InvokeAllowMissing<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
 			where TApiModel : default
 		{
 			ArgumentNullException.ThrowIfNull(authorityInvoker);
 
 			var authorityResponse = await authorityInvoker(Authority);
-			ThrowGraphQLErrorIfNecessary(authorityResponse);
+			ThrowGraphQLErrorIfNecessary(authorityResponse, false);
 			return authorityResponse.Result;
 		}
 
 		/// <inheritdoc />
-		async ValueTask<TApiModel?> IGraphQLAuthorityInvoker<TAuthority>.InvokeTransformable<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+		async ValueTask<TApiModel?> IGraphQLAuthorityInvoker<TAuthority>.InvokeTransformableAllowMissing<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
 			where TApiModel : default
 		{
 			ArgumentNullException.ThrowIfNull(authorityInvoker);
 
 			var authorityResponse = await authorityInvoker(Authority);
-			ThrowGraphQLErrorIfNecessary(authorityResponse);
+			ThrowGraphQLErrorIfNecessary(authorityResponse, false);
 			var result = authorityResponse.Result;
 			if (result == null)
 				return default;
 
 			return result.ToApi();
 		}
+
+		/// <inheritdoc />
+		ValueTask<TApiModel> IGraphQLAuthorityInvoker<TAuthority>.Invoke<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+			=> ((IGraphQLAuthorityInvoker<TAuthority>)this).InvokeAllowMissing<TResult, TApiModel>(authorityInvoker)!;
+
+		/// <inheritdoc />
+		ValueTask<TApiModel> IGraphQLAuthorityInvoker<TAuthority>.InvokeTransformable<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+			=> ((IGraphQLAuthorityInvoker<TAuthority>)this).InvokeTransformableAllowMissing<TResult, TApiModel, TTransformer>(authorityInvoker)!;
 	}
 }
diff --git a/src/Tgstation.Server.Host/Authority/Core/RestAuthorityInvoker{TAuthority}.cs b/src/Tgstation.Server.Host/Authority/Core/RestAuthorityInvoker{TAuthority}.cs
index 83911ecb56..680dc98a4e 100644
--- a/src/Tgstation.Server.Host/Authority/Core/RestAuthorityInvoker{TAuthority}.cs
+++ b/src/Tgstation.Server.Host/Authority/Core/RestAuthorityInvoker{TAuthority}.cs
@@ -14,18 +14,22 @@ namespace Tgstation.Server.Host.Authority.Core
 		where TAuthority : IAuthority
 	{
 		/// <summary>
-		/// Create an <see cref="IActionResult"/> for a given successfuly <paramref name="authorityResponse"/> API <paramref name="result"/>.
+		/// Create an <see cref="IActionResult"/> for a given successfuly<paramref name="authorityResponse"/>.
 		/// </summary>
 		/// <param name="controller">The <see cref="ApiController"/> to use.</param>
-		/// <param name="result">The resulting <typeparamref name="TApiModel"/> from the <paramref name="authorityResponse"/>.</param>
+		/// <param name="resultTransformer">A <see cref="Func{T, TResult}"/> transforming the <typeparamref name="TResult"/> from the <paramref name="authorityResponse"/> into the <typeparamref name="TApiModel"/>.</param>
 		/// <param name="authorityResponse">The <see cref="AuthorityResponse{TResult}"/>.</param>
 		/// <returns>An <see cref="IActionResult"/> for the <paramref name="authorityResponse"/>.</returns>
 		/// <typeparam name="TResult">The result <see cref="Type"/> returned in the <paramref name="authorityResponse"/>.</typeparam>
 		/// <typeparam name="TApiModel">The REST API result model built from <paramref name="authorityResponse"/>.</typeparam>
-		static IActionResult CreateSuccessfulActionResult<TResult, TApiModel>(ApiController controller, TApiModel result, AuthorityResponse<TResult> authorityResponse)
+		static IActionResult CreateSuccessfulActionResult<TResult, TApiModel>(ApiController controller, Func<TResult, TApiModel> resultTransformer, AuthorityResponse<TResult> authorityResponse)
 			where TApiModel : notnull
 		{
+			if (authorityResponse.IsNoContent!.Value)
+				return controller.NoContent();
+
 			var successResponse = authorityResponse.SuccessResponse;
+			var result = resultTransformer(authorityResponse.Result!);
 			return successResponse switch
 			{
 				HttpSuccessResponse.Ok => controller.Json(result),
@@ -95,8 +99,7 @@ namespace Tgstation.Server.Host.Authority.Core
 			if (erroredResult != null)
 				return erroredResult;
 
-			var result = authorityResponse.Result!;
-			return CreateSuccessfulActionResult(controller, result, authorityResponse);
+			return CreateSuccessfulActionResult(controller, result => result, authorityResponse);
 		}
 
 		/// <inheritdoc />
@@ -110,9 +113,7 @@ namespace Tgstation.Server.Host.Authority.Core
 			if (erroredResult != null)
 				return erroredResult;
 
-			var result = authorityResponse.Result!;
-			var apiModel = result.ToApi();
-			return CreateSuccessfulActionResult(controller, apiModel, authorityResponse);
+			return CreateSuccessfulActionResult(controller, result => result.ToApi(), authorityResponse);
 		}
 	}
 }
diff --git a/src/Tgstation.Server.Host/Authority/IGraphQLAuthorityInvoker{TAuthority}.cs b/src/Tgstation.Server.Host/Authority/IGraphQLAuthorityInvoker{TAuthority}.cs
index eb179caf9b..edface219a 100644
--- a/src/Tgstation.Server.Host/Authority/IGraphQLAuthorityInvoker{TAuthority}.cs
+++ b/src/Tgstation.Server.Host/Authority/IGraphQLAuthorityInvoker{TAuthority}.cs
@@ -27,7 +27,7 @@ namespace Tgstation.Server.Host.Authority
 		/// <typeparam name="TApiModel">The resulting <see cref="Type"/> of the return value.</typeparam>
 		/// <param name="authorityInvoker">The <typeparamref name="TAuthority"/> <see cref="Func{T, TResult}"/> returning a <see cref="ValueTask{TResult}"/> resulting in the <see cref="AuthorityResponse{TResult}"/>.</param>
 		/// <returns>A <see cref="ValueTask{TResult}"/> resulting in the <typeparamref name="TApiModel"/> generated for the resulting <see cref="AuthorityResponse{TResult}"/>.</returns>
-		ValueTask<TApiModel?> Invoke<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+		ValueTask<TApiModel?> InvokeAllowMissing<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
 			where TResult : TApiModel
 			where TApiModel : notnull;
 
@@ -39,7 +39,31 @@ namespace Tgstation.Server.Host.Authority
 		/// <typeparam name="TTransformer">The <see cref="ITransformer{TInput, TOutput}"/> for converting <typeparamref name="TResult"/>s to <typeparamref name="TApiModel"/>s.</typeparam>
 		/// <param name="authorityInvoker">The <typeparamref name="TAuthority"/> <see cref="Func{T, TResult}"/> returning a <see cref="ValueTask{TResult}"/> resulting in the <see cref="AuthorityResponse{TResult}"/>.</param>
 		/// <returns>A <see cref="ValueTask{TResult}"/> resulting in the <typeparamref name="TApiModel"/> generated for the resulting <see cref="AuthorityResponse{TResult}"/>.</returns>
-		ValueTask<TApiModel?> InvokeTransformable<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+		ValueTask<TApiModel?> InvokeTransformableAllowMissing<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+			where TResult : notnull, IApiTransformable<TResult, TApiModel, TTransformer>
+			where TApiModel : notnull
+			where TTransformer : ITransformer<TResult, TApiModel>, new();
+
+		/// <summary>
+		/// Invoke a <typeparamref name="TAuthority"/> method and get the non-nullable result.
+		/// </summary>
+		/// <typeparam name="TResult">The <see cref="AuthorityResponse{TResult}.Result"/> <see cref="Type"/>.</typeparam>
+		/// <typeparam name="TApiModel">The resulting <see cref="Type"/> of the return value.</typeparam>
+		/// <param name="authorityInvoker">The <typeparamref name="TAuthority"/> <see cref="Func{T, TResult}"/> returning a <see cref="ValueTask{TResult}"/> resulting in the <see cref="AuthorityResponse{TResult}"/>.</param>
+		/// <returns>A <see cref="ValueTask{TResult}"/> resulting in the <typeparamref name="TApiModel"/> generated for the resulting <see cref="AuthorityResponse{TResult}"/>.</returns>
+		ValueTask<TApiModel> Invoke<TResult, TApiModel>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
+			where TResult : TApiModel
+			where TApiModel : notnull;
+
+		/// <summary>
+		/// Invoke a <typeparamref name="TAuthority"/> method and get the non-nullable result.
+		/// </summary>
+		/// <typeparam name="TResult">The <see cref="AuthorityResponse{TResult}.Result"/> <see cref="Type"/>.</typeparam>
+		/// <typeparam name="TApiModel">The resulting <see cref="Type"/> of the return value.</typeparam>
+		/// <typeparam name="TTransformer">The <see cref="ITransformer{TInput, TOutput}"/> for converting <typeparamref name="TResult"/>s to <typeparamref name="TApiModel"/>s.</typeparam>
+		/// <param name="authorityInvoker">The <typeparamref name="TAuthority"/> <see cref="Func{T, TResult}"/> returning a <see cref="ValueTask{TResult}"/> resulting in the <see cref="AuthorityResponse{TResult}"/>.</param>
+		/// <returns>A <see cref="ValueTask{TResult}"/> resulting in the <typeparamref name="TApiModel"/> generated for the resulting <see cref="AuthorityResponse{TResult}"/>.</returns>
+		ValueTask<TApiModel> InvokeTransformable<TResult, TApiModel, TTransformer>(Func<TAuthority, ValueTask<AuthorityResponse<TResult>>> authorityInvoker)
 			where TResult : notnull, IApiTransformable<TResult, TApiModel, TTransformer>
 			where TApiModel : notnull
 			where TTransformer : ITransformer<TResult, TApiModel>, new();