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NextAuth.js

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description NextAuth.js Overview

NextAuth.js is an open-source authentication library designed specifically for use with Next.js applications. Created in 2020, it provides a secure and standardized way to implement user sign-in flows by integrating with numerous OAuth providers, such as Google and GitHub. The library supports both database-backed and JWT-based session management without requiring extensive custom configuration. It is widely used by developers to handle application security, manage user sessions, and streamline the integration of complex authentication protocols in React environments.

help NextAuth.js FAQ

What is NextAuth.js used for?

NextAuth.js is an open-source authentication library designed for Next.js applications. It provides sign-in, session, and account-linking flows without requiring developers to implement every OAuth detail themselves. [Auth.js](https://authjs.dev/)

Can NextAuth.js sign users in with Google and GitHub?

Yes, provider integrations include services such as Google and GitHub, and developers can configure additional OAuth or OpenID Connect providers. The provider still requires its own client credentials and redirect URL.

Does NextAuth.js require a database?

No, it can use encrypted JSON Web Token sessions without a database, or it can use an adapter to persist users, accounts, and sessions. The choice affects features such as persistent account records and server-side session management.

Is NextAuth.js now called Auth.js?

The project expanded its branding from NextAuth.js to Auth.js, while the Next.js package remains named `next-auth`. Current examples use an `auth.ts` file and a route handler at `app/api/auth/[...nextauth]/route.ts`.

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