diff --git a/src/ReC.Application/Common/Dto/RecActionDto.cs b/src/ReC.Application/Common/Dto/RecActionDto.cs
index 4395e59..800de52 100644
--- a/src/ReC.Application/Common/Dto/RecActionDto.cs
+++ b/src/ReC.Application/Common/Dto/RecActionDto.cs
@@ -27,7 +27,7 @@ public record RecActionDto
 
     public string? EndpointAuthApiValue { get; init; }
 
-    public string? EndpointAuthApiKeyAddTo { get; init; }
+    public ApiKeyLocation? EndpointAuthApiKeyAddTo { get; init; }
 
     public string? EndpointAuthToken { get; init; }
 
diff --git a/src/ReC.Application/RecActions/Commands/InvokeRecActionCommand.cs b/src/ReC.Application/RecActions/Commands/InvokeRecActionCommand.cs
index 0bd9114..6a3fced 100644
--- a/src/ReC.Application/RecActions/Commands/InvokeRecActionCommand.cs
+++ b/src/ReC.Application/RecActions/Commands/InvokeRecActionCommand.cs
@@ -5,6 +5,7 @@ using ReC.Application.Common.Constants;
 using ReC.Application.Common.Dto;
 using ReC.Application.Common.Exceptions;
 using ReC.Application.OutResults.Commands;
+using ReC.Domain.Constants;
 using System.Net;
 using System.Net.Http.Headers;
 using System.Text;
@@ -63,7 +64,7 @@ public class InvokeRecActionCommandHandler(
             case "API Key":
                 if (action.EndpointAuthApiKey is string apiKey && action.EndpointAuthApiValue is string apiValue)
                 {
-                    if (action.EndpointAuthApiKeyAddTo == "Header")
+                    if (action.EndpointAuthApiKeyAddTo == ApiKeyLocation.Header)
                     {
                         httpReq.Headers.Add(apiKey, apiValue);
                     }