diff --git a/src/Vegasco.Server.Api/Cars/CreateCar.cs b/src/Vegasco.Server.Api/Cars/CreateCar.cs
index d254b6b..07fcc5e 100644
--- a/src/Vegasco.Server.Api/Cars/CreateCar.cs
+++ b/src/Vegasco.Server.Api/Cars/CreateCar.cs
@@ -16,7 +16,9 @@ public static class CreateCar
 	{
 		return builder
 			.MapPost("cars", Endpoint)
-			.WithTags("Cars");
+			.WithTags("Cars")
+			.Produces<Response>(201)
+			.ProducesValidationProblem();
 	}
 
 	public class Validator : AbstractValidator<Request>
diff --git a/src/Vegasco.Server.Api/Cars/DeleteCar.cs b/src/Vegasco.Server.Api/Cars/DeleteCar.cs
index c78eff0..e3b2777 100644
--- a/src/Vegasco.Server.Api/Cars/DeleteCar.cs
+++ b/src/Vegasco.Server.Api/Cars/DeleteCar.cs
@@ -8,7 +8,9 @@ public static class DeleteCar
 	{
 		return builder
 			.MapDelete("cars/{id:guid}", Endpoint)
-			.WithTags("Cars");
+			.WithTags("Cars")
+			.Produces(204)
+			.Produces(404);
 	}
 
 	public static async Task<IResult> Endpoint(
diff --git a/src/Vegasco.Server.Api/Cars/GetCar.cs b/src/Vegasco.Server.Api/Cars/GetCar.cs
index 9fd6955..c4b401c 100644
--- a/src/Vegasco.Server.Api/Cars/GetCar.cs
+++ b/src/Vegasco.Server.Api/Cars/GetCar.cs
@@ -1,4 +1,5 @@
-using Vegasco.Server.Api.Persistence;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Vegasco.Server.Api.Persistence;
 
 namespace Vegasco.Server.Api.Cars;
 
@@ -10,7 +11,10 @@ public static class GetCar
 	{
 		return builder
 			.MapGet("cars/{id:guid}", Endpoint)
-			.WithTags("Cars");
+			.WithDescription("Returns a single car by ID")
+			.WithTags("Cars")
+			.Produces<Response>()
+			.Produces(404);
 	}
 
 	private static async Task<IResult> Endpoint(
@@ -28,4 +32,4 @@ public static class GetCar
 		var response = new Response(car.Id.Value, car.Name);
 		return TypedResults.Ok(response);
 	}
-}
+}
\ No newline at end of file
diff --git a/src/Vegasco.Server.Api/Cars/GetCars.cs b/src/Vegasco.Server.Api/Cars/GetCars.cs
index 0e009db..9f9f096 100644
--- a/src/Vegasco.Server.Api/Cars/GetCars.cs
+++ b/src/Vegasco.Server.Api/Cars/GetCars.cs
@@ -25,10 +25,11 @@ public static class GetCars
 		return builder
 			.MapGet("cars", Endpoint)
 			.WithDescription("Returns all cars")
-			.WithTags("Cars");
+			.WithTags("Cars")
+			.Produces<ApiResponse>();
 	}
 
-	private static async Task<Ok<ApiResponse>> Endpoint(
+	private static async Task<IResult> Endpoint(
 		[AsParameters] Request request,
 		ApplicationDbContext dbContext,
 		CancellationToken cancellationToken)
diff --git a/src/Vegasco.Server.Api/Cars/UpdateCar.cs b/src/Vegasco.Server.Api/Cars/UpdateCar.cs
index 2e06c52..0e890e6 100644
--- a/src/Vegasco.Server.Api/Cars/UpdateCar.cs
+++ b/src/Vegasco.Server.Api/Cars/UpdateCar.cs
@@ -15,7 +15,10 @@ public static class UpdateCar
 	{
 		return builder
 			.MapPut("cars/{id:guid}", Endpoint)
-			.WithTags("Cars");
+			.WithTags("Cars")
+			.Produces<Response>()
+			.ProducesValidationProblem()
+			.Produces(404);
 	}
 
 	public class Validator : AbstractValidator<Request>
diff --git a/src/Vegasco.Server.Api/Consumptions/CreateConsumption.cs b/src/Vegasco.Server.Api/Consumptions/CreateConsumption.cs
index b890632..cb892a2 100644
--- a/src/Vegasco.Server.Api/Consumptions/CreateConsumption.cs
+++ b/src/Vegasco.Server.Api/Consumptions/CreateConsumption.cs
@@ -16,7 +16,8 @@ public static class CreateConsumption
 	{
 		return builder
 			.MapPost("consumptions", Endpoint)
-			.WithTags("Consumptions");
+			.WithTags("Consumptions")
+			.Produces<Response>(201);
 	}
 
 	public class Validator : AbstractValidator<Request>
diff --git a/src/Vegasco.Server.Api/Consumptions/DeleteConsumptions.cs b/src/Vegasco.Server.Api/Consumptions/DeleteConsumptions.cs
index 8b6f4e9..849ffd4 100644
--- a/src/Vegasco.Server.Api/Consumptions/DeleteConsumptions.cs
+++ b/src/Vegasco.Server.Api/Consumptions/DeleteConsumptions.cs
@@ -8,7 +8,9 @@ public static class DeleteConsumption
 	{
 		return builder
 			.MapDelete("consumptions/{id:guid}", Endpoint)
-			.WithTags("Consumptions");
+			.WithTags("Consumptions")
+			.Produces(204)
+			.Produces(404);
 	}
 
 	private static async Task<IResult> Endpoint(
diff --git a/src/Vegasco.Server.Api/Consumptions/GetConsumption.cs b/src/Vegasco.Server.Api/Consumptions/GetConsumption.cs
index 2f29fc8..10b86a9 100644
--- a/src/Vegasco.Server.Api/Consumptions/GetConsumption.cs
+++ b/src/Vegasco.Server.Api/Consumptions/GetConsumption.cs
@@ -10,7 +10,9 @@ public static class GetConsumption
 	{
 		return builder
 			.MapGet("consumptions/{id:guid}", Endpoint)
-			.WithTags("Consumptions");
+			.WithTags("Consumptions")
+			.Produces<Response>()
+			.Produces(404);
 	}
 
 	private static async Task<IResult> Endpoint(
diff --git a/src/Vegasco.Server.Api/Consumptions/GetConsumptions.cs b/src/Vegasco.Server.Api/Consumptions/GetConsumptions.cs
index ad5fb76..1d1c4c7 100644
--- a/src/Vegasco.Server.Api/Consumptions/GetConsumptions.cs
+++ b/src/Vegasco.Server.Api/Consumptions/GetConsumptions.cs
@@ -31,7 +31,8 @@ public static class GetConsumptions
 		return builder
 			.MapGet("consumptions", Endpoint)
 			.WithDescription("Returns all consumption entries")
-			.WithTags("Consumptions");
+			.WithTags("Consumptions")
+			.Produces<ApiResponse>();
 	}
 
 	private static async Task<Ok<ApiResponse>> Endpoint(
@@ -44,7 +45,7 @@ public static class GetConsumptions
 				new ResponseDto(x.Id.Value, x.DateTime, x.Distance, x.Amount, x.IgnoreInCalculation, x.CarId.Value))
 			.ToListAsync(cancellationToken);
 
-		var apiResponse = new ApiResponse
+		ApiResponse apiResponse = new()
 		{
 			Consumptions = consumptions
 		};
diff --git a/src/Vegasco.Server.Api/Consumptions/UpdateConsumption.cs b/src/Vegasco.Server.Api/Consumptions/UpdateConsumption.cs
index 868946a..974e065 100644
--- a/src/Vegasco.Server.Api/Consumptions/UpdateConsumption.cs
+++ b/src/Vegasco.Server.Api/Consumptions/UpdateConsumption.cs
@@ -15,7 +15,10 @@ public static class UpdateConsumption
 	{
 		return builder
 			.MapPut("consumptions/{id:guid}", Endpoint)
-			.WithTags("Consumptions");
+			.WithTags("Consumptions")
+			.Produces<Response>()
+			.ProducesValidationProblem()
+			.Produces(404);
 	}
 
 	public class Validator : AbstractValidator<Request>