Building Microservices API in Go - Refresh Token: Introduction

The video tutorial explains the concept of refresh tokens, their functionality, and why they are used. It covers the process of obtaining access tokens through authentication, the short-lived nature of access tokens, and the user experience issues caused by expired tokens. The tutorial introduces refresh tokens as a solution to generate new access tokens without requiring frequent logins. It also discusses security measures to prevent token leakage and manage refresh tokens effectively. The video concludes with a preview of generating refresh tokens in the login API.

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