diff --git a/apps/api/src/tests/integration/admin.test.ts b/apps/api/src/tests/integration/admin.test.ts
index c8532b3..dfd1beb 100644
--- a/apps/api/src/tests/integration/admin.test.ts
+++ b/apps/api/src/tests/integration/admin.test.ts
@@ -69,8 +69,8 @@ describe('Admin API', () => {
         })
 
       expect(res.status).toBe(200)
-      expect(typeof res.body.data.data.token).toBe('string')
-      expect(res.body.data.data.admin.id).toBe(adminId)
+      expect(typeof res.body.data.token).toBe('string')
+      expect(res.body.data.admin.id).toBe(adminId)
     })
   })
 
@@ -81,8 +81,8 @@ describe('Admin API', () => {
         .set(authHeader(adminToken))
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data.id).toBe(adminId)
-      expect(res.body.data.data).not.toHaveProperty('passwordHash')
+      expect(res.body.data.id).toBe(adminId)
+      expect(res.body.data).not.toHaveProperty('passwordHash')
     })
   })
 
@@ -127,7 +127,7 @@ describe('Admin API', () => {
         .set(authHeader(financeToken))
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data).toEqual(
+      expect(res.body.data).toEqual(
         expect.objectContaining({
           totalCompanies: expect.any(Number),
           totalRenters: expect.any(Number),
diff --git a/apps/api/src/tests/integration/notifications.test.ts b/apps/api/src/tests/integration/notifications.test.ts
index b39925a..61deb4a 100644
--- a/apps/api/src/tests/integration/notifications.test.ts
+++ b/apps/api/src/tests/integration/notifications.test.ts
@@ -37,7 +37,7 @@ describe('Notifications API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(typeof res.body.data.data.unread).toBe('number')
+      expect(typeof res.body.data.unread).toBe('number')
     })
 
     it('lists company notifications and supports unread filtering', async () => {
@@ -53,9 +53,9 @@ describe('Notifications API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(Array.isArray(res.body.data.data)).toBe(true)
-      expect(res.body.data.data.some((item: any) => item.id === unread.id)).toBe(true)
-      expect(res.body.data.data.every((item: any) => item.readAt === null)).toBe(true)
+      expect(Array.isArray(res.body.data)).toBe(true)
+      expect(res.body.data.some((item: any) => item.id === unread.id)).toBe(true)
+      expect(res.body.data.every((item: any) => item.readAt === null)).toBe(true)
     })
 
     it('marks a company notification as read', async () => {
@@ -66,7 +66,7 @@ describe('Notifications API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data.success).toBe(true)
+      expect(res.body.data.success).toBe(true)
     })
 
     it('updates company notification preferences', async () => {
@@ -80,14 +80,14 @@ describe('Notifications API', () => {
         .send(payload)
 
       expect(patchRes.status).toBe(200)
-      expect(patchRes.body.data.data.success).toBe(true)
+      expect(patchRes.body.data.success).toBe(true)
 
       const getRes = await request(app)
         .get('/api/v1/notifications/company/preferences')
         .set(authHeader(ownerToken))
 
       expect(getRes.status).toBe(200)
-      expect(getRes.body.data.data).toEqual(
+      expect(getRes.body.data).toEqual(
         expect.arrayContaining([
           expect.objectContaining({
             employeeId,
@@ -109,8 +109,8 @@ describe('Notifications API', () => {
         .set(authHeader(renterToken))
 
       expect(res.status).toBe(200)
-      expect(Array.isArray(res.body.data.data)).toBe(true)
-      expect(res.body.data.data.some((item: any) => item.id === notification.id)).toBe(true)
+      expect(Array.isArray(res.body.data)).toBe(true)
+      expect(res.body.data.some((item: any) => item.id === notification.id)).toBe(true)
     })
 
     it('updates renter notification preferences', async () => {
@@ -124,14 +124,14 @@ describe('Notifications API', () => {
         .send(payload)
 
       expect(patchRes.status).toBe(200)
-      expect(patchRes.body.data.data.success).toBe(true)
+      expect(patchRes.body.data.success).toBe(true)
 
       const getRes = await request(app)
         .get('/api/v1/notifications/renter/preferences')
         .set(authHeader(renterToken))
 
       expect(getRes.status).toBe(200)
-      expect(getRes.body.data.data).toEqual(
+      expect(getRes.body.data).toEqual(
         expect.arrayContaining([
           expect.objectContaining({
             renterId,
diff --git a/apps/api/src/tests/integration/payments.test.ts b/apps/api/src/tests/integration/payments.test.ts
index 2a007cb..fb07680 100644
--- a/apps/api/src/tests/integration/payments.test.ts
+++ b/apps/api/src/tests/integration/payments.test.ts
@@ -107,8 +107,8 @@ describe('Payments API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(Array.isArray(res.body.data.data)).toBe(true)
-      expect(res.body.data.data.some((item: any) => item.id === payment.id)).toBe(true)
+      expect(Array.isArray(res.body.data)).toBe(true)
+      expect(res.body.data.some((item: any) => item.id === payment.id)).toBe(true)
     })
   })
 
@@ -132,8 +132,8 @@ describe('Payments API', () => {
         })
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data.amount).toBe(400)
-      expect(res.body.data.data.status).toBe('SUCCEEDED')
+      expect(res.body.data.amount).toBe(400)
+      expect(res.body.data.status).toBe('SUCCEEDED')
 
       const updated = await prisma.reservation.findUniqueOrThrow({ where: { id: reservation.id } })
       expect(updated.paidAmount).toBe(400)
diff --git a/apps/api/src/tests/integration/subscriptions.test.ts b/apps/api/src/tests/integration/subscriptions.test.ts
index 85dfe8c..8a13265 100644
--- a/apps/api/src/tests/integration/subscriptions.test.ts
+++ b/apps/api/src/tests/integration/subscriptions.test.ts
@@ -91,16 +91,16 @@ describe('Subscriptions API', () => {
       const res = await request(app).get('/api/v1/subscriptions/plans')
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data).toHaveProperty('STARTER')
-      expect(res.body.data.data).toHaveProperty('GROWTH')
+      expect(res.body.data).toHaveProperty('STARTER')
+      expect(res.body.data).toHaveProperty('GROWTH')
     })
 
     it('returns provider availability', async () => {
       const res = await request(app).get('/api/v1/subscriptions/providers')
 
       expect(res.status).toBe(200)
-      expect(typeof res.body.data.data.amanpay).toBe('boolean')
-      expect(typeof res.body.data.data.paypal).toBe('boolean')
+      expect(typeof res.body.data.amanpay).toBe('boolean')
+      expect(typeof res.body.data.paypal).toBe('boolean')
     })
   })
 
@@ -111,8 +111,8 @@ describe('Subscriptions API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data.companyId).toBe(companyId)
-      expect(res.body.data.data.id).toBe(subscriptionId)
+      expect(res.body.data.companyId).toBe(companyId)
+      expect(res.body.data.id).toBe(subscriptionId)
     })
 
     it('returns company invoices', async () => {
@@ -123,8 +123,8 @@ describe('Subscriptions API', () => {
         .set(authHeader(ownerToken))
 
       expect(res.status).toBe(200)
-      expect(Array.isArray(res.body.data.data)).toBe(true)
-      expect(res.body.data.data.some((item: any) => item.id === invoice.id)).toBe(true)
+      expect(Array.isArray(res.body.data)).toBe(true)
+      expect(res.body.data.some((item: any) => item.id === invoice.id)).toBe(true)
     })
 
     it('changes the subscription plan for OWNER', async () => {
@@ -138,9 +138,9 @@ describe('Subscriptions API', () => {
         })
 
       expect(res.status).toBe(200)
-      expect(res.body.data.data.plan).toBe('GROWTH')
-      expect(res.body.data.data.billingPeriod).toBe('ANNUAL')
-      expect(res.body.data.data.currency).toBe('EUR')
+      expect(res.body.data.plan).toBe('GROWTH')
+      expect(res.body.data.billingPeriod).toBe('ANNUAL')
+      expect(res.body.data.currency).toBe('EUR')
     })
 
     it('returns 403 for AGENT on plan changes', async () => {
@@ -162,14 +162,14 @@ describe('Subscriptions API', () => {
         .set(authHeader(ownerToken))
 
       expect(cancelRes.status).toBe(200)
-      expect(cancelRes.body.data.data.cancelAtPeriodEnd).toBe(true)
+      expect(cancelRes.body.data.cancelAtPeriodEnd).toBe(true)
 
       const resumeRes = await request(app)
         .post('/api/v1/subscriptions/resume')
         .set(authHeader(ownerToken))
 
       expect(resumeRes.status).toBe(200)
-      expect(resumeRes.body.data.data.cancelAtPeriodEnd).toBe(false)
+      expect(resumeRes.body.data.cancelAtPeriodEnd).toBe(false)
     })
   })
 })