File: line.md | Updated: 11/15/2025
š NextAuth.js is now part of Better Auth !
This is documentation for NextAuth.js v3, which is no longer actively maintained.
For up-to-date documentation, see the **latest version ** (v4).
Version: v3
On this page
Documentationā
https://developers.line.biz/en/docs/line-login/integrate-line-login/
Configurationā
https://developers.line.biz/console/
Optionsā
The Line Provider comes with a set of default options:
You can override any of the options to suit your own use case.
Exampleā
import Providers from `next-auth/providers`...providers: [ Providers.LINE({ clientId: process.env.LINE_CLIENT_ID, clientSecret: process.env.LINE_CLIENT_SECRET })]...
Instructionsā
Create a provider and a LINE login channel at https://developers.line.biz/console/. In the settings of the channel under LINE Login, activate web app and configure the following:
Callback URL