Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs

@@ -21,6 +21,7 @@ public static class SwaggerConfiguration
             options.SchemaFilter<ExampleFilter>();
             options.OperationFilter<DefaultValues>();
             options.OperationFilter<ActionResultSchemaFilter>();
+            options.SchemaFilter<EnumSchemaFilter>();
             var basePath = AppDomain.CurrentDomain.BaseDirectory;
 
             options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme

Endpoint/Configuration/SwaggerOptions/EnumSchemaFilter.cs

@@ -0,0 +1,28 @@
+using Microsoft.OpenApi.Any;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Configuration.SwaggerOptions;
+
+public class EnumSchemaFilter : ISchemaFilter
+{
+    public void Apply(OpenApiSchema schema, SchemaFilterContext context)
+    {
+        if (!context.Type.IsEnum)
+            return;
+
+        schema.Enum.Clear();
+
+        var enumValues = Enum.GetNames(context.Type)
+            .Select(name => new OpenApiString(name))
+            .ToList();
+
+        foreach (var value in enumValues)
+            schema.Enum.Add(value);
+
+        schema.Type = "string";
+        schema.Format = null;
+    }
+}