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Documentation Index

Fetch the complete documentation index at: https://docs.kavachos.com/llms.txt

Use this file to discover all available pages before exploring further.

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Setup

1

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Get credentials

Go to the LINE Developers Console and create a provider and channel. Choose LINE Login as the channel type. Add your redirect URI:
https://your-app.com/api/kavach/auth/oauth/callback/line
2

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Configure

lib/kavach.ts
import { createKavach } from 'kavachos';
import { oauth } from 'kavachos/auth';
import { lineProvider } from 'kavachos/auth';

const kavach = await createKavach({
  database: { provider: 'sqlite', url: 'kavach.db' },
  plugins: [
    oauth({
      providers: [
        lineProvider(
          process.env.LINE_CLIENT_ID!,
          process.env.LINE_CLIENT_SECRET!,
        ),
      ],
    }),
  ],
});

LINE_CLIENT_ID=...
LINE_CLIENT_SECRET=...

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Scopes

Default scopes: openid, profile, email
ScopeWhat it unlocks
openidOIDC identity token
profileDisplay name and profile picture
emailEmail address (requires email permission approval)
The email scope requires an additional approval step in the LINE Developer Console. You must agree to the LINE Login email permission terms and submit for review.

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Endpoints

MethodPathDescription
GET/auth/oauth/authorize/lineRedirect to LINE
GET/auth/oauth/callback/lineHandle callback
Last modified on April 29, 2026