diff --git a/be/app/api/v1/api.py b/be/app/api/v1/api.py
index 587a1b8..adc28cc 100644
--- a/be/app/api/v1/api.py
+++ b/be/app/api/v1/api.py
@@ -19,7 +19,7 @@ api_router_v1.include_router(lists.router, prefix="/lists", tags=["Lists"])
 api_router_v1.include_router(items.router, tags=["Items"])
 api_router_v1.include_router(ocr.router, prefix="/ocr", tags=["OCR"])
 api_router_v1.include_router(costs.router, prefix="/costs", tags=["Costs"])
-api_router_v1.include_router(financials.router)
+api_router_v1.include_router(financials.router, prefix="/financials", tags=["Financials"])
 api_router_v1.include_router(chores.router, prefix="/chores", tags=["Chores"])
 # Add other v1 endpoint routers here later
 # e.g., api_router_v1.include_router(users.router, prefix="/users", tags=["Users"])
\ No newline at end of file
diff --git a/fe/src/config/api-config.ts b/fe/src/config/api-config.ts
index 052aade..cc12da9 100644
--- a/fe/src/config/api-config.ts
+++ b/fe/src/config/api-config.ts
@@ -97,16 +97,16 @@ export const API_ENDPOINTS = {
 
   // Financials
   FINANCIALS: {
-    EXPENSES: '/financials/expenses',
-    EXPENSE: (id: string) => `/financials/expenses/${id}`,
-    SETTLEMENTS: '/financials/settlements',
-    SETTLEMENT: (id: string) => `/financials/settlements/${id}`,
-    BALANCES: '/financials/balances',
-    BALANCE: (userId: string) => `/financials/balances/${userId}`,
-    REPORTS: '/financials/reports',
-    REPORT: (id: string) => `/financials/reports/${id}`,
-    CATEGORIES: '/financials/categories',
-    CATEGORY: (id: string) => `/financials/categories/${id}`,
+    EXPENSES: '/api/v1/financials/expenses',
+    EXPENSE: (id: string) => `/api/v1/financials/expenses/${id}`,
+    SETTLEMENTS: '/api/v1/financials/settlements',
+    SETTLEMENT: (id: string) => `/api/v1/financials/settlements/${id}`,
+    BALANCES: '/api/v1/financials/balances',
+    BALANCE: (userId: string) => `/api/v1/financials/balances/${userId}`,
+    REPORTS: '/api/v1/financials/reports',
+    REPORT: (id: string) => `/api/v1/financials/reports/${id}`,
+    CATEGORIES: '/api/v1/financials/categories',
+    CATEGORY: (id: string) => `/api/v1/financials/categories/${id}`,
   },
 
   // Health
diff --git a/fe/src/services/expenseService.ts b/fe/src/services/expenseService.ts
index 7893575..f118d88 100644
--- a/fe/src/services/expenseService.ts
+++ b/fe/src/services/expenseService.ts
@@ -1,5 +1,5 @@
 import type { Expense, RecurrencePattern } from '@/types/expense'
-import { api } from '@/services/api'
+import { api, API_ENDPOINTS } from '@/services/api'
 
 export interface CreateExpenseData {
   description: string
@@ -32,21 +32,21 @@ export interface UpdateExpenseData extends Partial<CreateExpenseData> {
 
 export const expenseService = {
   async createExpense(data: CreateExpenseData): Promise<Expense> {
-    const response = await api.post<Expense>('/expenses', data)
+    const response = await api.post<Expense>(API_ENDPOINTS.FINANCIALS.EXPENSES, data)
     return response.data
   },
 
   async updateExpense(id: number, data: UpdateExpenseData): Promise<Expense> {
-    const response = await api.put<Expense>(`/expenses/${id}`, data)
+    const response = await api.put<Expense>(API_ENDPOINTS.FINANCIALS.EXPENSE(id.toString()), data)
     return response.data
   },
 
   async deleteExpense(id: number): Promise<void> {
-    await api.delete(`/expenses/${id}`)
+    await api.delete(API_ENDPOINTS.FINANCIALS.EXPENSE(id.toString()))
   },
 
   async getExpense(id: number): Promise<Expense> {
-    const response = await api.get<Expense>(`/expenses/${id}`)
+    const response = await api.get<Expense>(API_ENDPOINTS.FINANCIALS.EXPENSE(id.toString()))
     return response.data
   },
 
@@ -55,7 +55,7 @@ export const expenseService = {
     group_id?: number
     isRecurring?: boolean
   }): Promise<Expense[]> {
-    const response = await api.get<Expense[]>('/expenses', { params })
+    const response = await api.get<Expense[]>(API_ENDPOINTS.FINANCIALS.EXPENSES, { params })
     return response.data
   },