{"success":true,"message":"Backend API - AngraInApp","version":"1.0.0","endpoints":{"health":"/api/health","auth":{"sendOTP":"POST /api/auth/otp/send","verifyOTP":"POST /api/auth/otp/verify","login":"POST /api/auth/login","signup":"POST /api/auth/signup","refresh":"POST /api/auth/refresh","logout":"POST /api/auth/logout"}}}