How to Refresh Access Tokens in OAuth 2.0 (Java Example Included)
Access tokens in OAuth 2.0 are short-lived by design. To maintain a seamless user experience without constantly re-authenticating users, OAuth provides a mechanism called refresh tokens. This guide walks you through how refresh tokens work, when to use them, and how to implement access token renewal in a Java backend. What Is a Refresh Token and Why Use It? A refresh token is a special credential issued alongside the access token that allows the client to obtain new access tokens after the old one expires — without involving the user again. ...