Eric Tech Circle

Dec 16, 2024 · Backend Development

Implementing Secure Double‑Token Authentication in WeChat Mini‑Programs

This article explains the design and implementation of a dual‑token authentication system—short‑lived AccessToken and long‑lived RefreshToken—for WeChat Mini‑Programs, covering token generation, login flow, client‑side handling of 401/403 errors, and best‑practice testing strategies.