diff --git a/apps/backend/src/common/dto/api-response.dto.ts b/apps/backend/src/common/dto/api-response.dto.ts
index 54013b0..1c6e4f8 100644
--- a/apps/backend/src/common/dto/api-response.dto.ts
+++ b/apps/backend/src/common/dto/api-response.dto.ts
@@ -13,6 +13,14 @@ export class ApiResponseMeta {
   }
 }
 
+export class ApiEnvelopePayload<T> {
+  constructor(
+    public readonly data: T,
+    public readonly fromCache: boolean,
+    public readonly cachedAt: string | null,
+  ) {}
+}
+
 export class ApiResponse<T> {
   data: T;
   meta: ApiResponseMeta;
diff --git a/apps/backend/src/common/interceptors/transform.interceptor.ts b/apps/backend/src/common/interceptors/transform.interceptor.ts
index cd6f888..507025a 100644
--- a/apps/backend/src/common/interceptors/transform.interceptor.ts
+++ b/apps/backend/src/common/interceptors/transform.interceptor.ts
@@ -1,7 +1,7 @@
 import { Injectable, NestInterceptor, ExecutionContext, CallHandler } from '@nestjs/common';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { ApiResponse } from '../dto/api-response.dto';
+import { ApiEnvelopePayload, ApiResponse } from '../dto/api-response.dto';
 
 @Injectable()
 export class TransformInterceptor<T> implements NestInterceptor<T, ApiResponse<T>> {
@@ -9,6 +9,9 @@ export class TransformInterceptor<T> implements NestInterceptor<T, ApiResponse<T
     return next.handle().pipe(
       map((data) => {
         if (data instanceof ApiResponse) return data;
+        if (data instanceof ApiEnvelopePayload) {
+          return new ApiResponse(data.data, data.fromCache, data.cachedAt);
+        }
         return new ApiResponse(data, false, null);
       }),
     );