File: identity-server4.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This is documentation for NextAuth.js v3, which is no longer actively maintained.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://identityserver4.readthedocs.io/en/latest/
Optionsā
The IdentityServer4 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.IdentityServer4({ id: "identity-server4", name: "IdentityServer4", scope: "openid profile email api offline_access", // Allowed Scopes domain: process.env.IdentityServer4_Domain, clientId: process.env.IdentityServer4_CLIENT_ID, clientSecret: process.env.IdentityServer4_CLIENT_SECRET })]...
Demo IdentityServerā
The configuration below is for the demo server at https://demo.identityserver.io/
If you want to try it out, you can copy and paste the configuration below.
You can sign in to the demo service with either bob/bob or alice/alice.
import Providers from `next-auth/providers`...providers: [ Providers.IdentityServer4({ id: "demo-identity-server", name: "Demo IdentityServer4", scope: "openid profile email api offline_access", domain: "demo.identityserver.io", clientId: "interactive.confidential", clientSecret: "secret", protection: "pkce" })]...