รหัสผ่านครั้งเดียว, ไม่ซับซ้อน

// 1. Request an OTPconst res = await fetch('https://onexotp.com/api/auth/send-otp', {  method: "'POST'",  headers: { "'Content-Type'": "'application/json'" },  body: JSON.stringify({ phone: "'+62812xxx'" }),});// 2. Verify the codeconst ok = await fetch('https://onexotp.com/api/auth/verify-otp', {  method: "'POST'",  body: JSON.stringify({ phone: "'+62812xxx'", code: "'123456'" }),});