diff --git a/backend/src/shared/infra/http/middlewares/ensureAuthenticated.ts b/backend/src/shared/infra/http/middlewares/ensureAuthenticated.ts
new file mode 100644
index 0000000..b116032
--- /dev/null
+++ b/backend/src/shared/infra/http/middlewares/ensureAuthenticated.ts
@@ -0,0 +1,38 @@
+import { Request, Response, NextFunction } from 'express';
+import { verify } from 'jsonwebtoken';
+import { UsersRepository } from '@modules/accounts/infra/typeorm/repositories/UsersRepository';
+import { AppError } from '@errors/AppError';
+
+interface IPayload {
+  sub: string;
+}
+
+export async function ensureAuthenticated(request: Request, response: Response, next: NextFunction) {
+  const authHeader = request.headers.authorization;
+
+  if (!authHeader) {
+    throw new AppError('Token missing');
+  }
+
+  const [, token] = authHeader.split(' ');
+
+  try {
+    const { sub: user_id } = verify(token, process.env.APP_JWT_SECRET || '') as IPayload;
+
+    const usersRepository = new UsersRepository();
+
+    const user = await usersRepository.findByID(user_id);
+
+    if (!user) {
+      throw new AppError('User does not exists');
+    }
+
+    request.user = {
+      id: user_id
+    }
+
+    next();
+  } catch {
+    throw new AppError('Invalid token!');
+  }
+}
\ No newline at end of file
diff --git a/backend/src/shared/infra/http/routes/index.ts b/backend/src/shared/infra/http/routes/index.ts
new file mode 100644
index 0000000..be7c16f
--- /dev/null
+++ b/backend/src/shared/infra/http/routes/index.ts
@@ -0,0 +1,11 @@
+import { Router } from 'express';
+import { usersRoutes } from '@modules/accounts/infra/http/routes/users.routes';
+import { authenticateRouter } from '@modules/accounts/infra/http/routes/authenticate.routes';
+import { propertiesRoutes } from '@modules/properties/infra/http/routes/properties.routes';
+const router = Router();
+
+router.use('/users', usersRoutes);
+router.use('/sessions', authenticateRouter);
+router.use('/properties', propertiesRoutes);
+
+export { router }
\ No newline at end of file