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Kinde · Pipe

KINDE_POST_LOGIN_REDIRECT_URL

KINDE_POST_LOGIN_REDIRECT_URL is an environment variable that sets where users go after authenticating. The Next.js App Router SDK also supports a per-login destination through post_login_redirect_url or postLoginRedirectURL.

How it works

This environment variable defines the destination users reach after authenticating. In the Next.js App Router SDK, it provides a static default, while the post_login_redirect_url login parameter can select a route-specific destination; the destination must be configured appropriately for the application and deployment.

Syntax

KINDE_POST_LOGIN_REDIRECT_URL=<post-login-url>

Key points

  • The variable names the destination users should reach once authentication completes.
  • For a fixed destination, define the variable in the local environment configuration.
  • SDK integrations may expose postLoginRedirectURL for choosing the destination dynamically.
  • The dynamic login flow transports the requested destination as a search parameter.
  • A protected route can preserve the route the user originally attempted to access.
  • Separate environments can use different post-login destinations.

Common mistakes

  • A fixed value can send users to the wrong host when using Vercel preview domains; configure it for the domain that starts authentication.
  • Keep redirect destinations aligned with the URLs configured in Kinde; otherwise the redirect configuration may not work as intended.

Example: Static and dynamic post-login redirects

// .env.local
KINDE_POST_LOGIN_REDIRECT_URL=http://localhost:3000/dashboard

// app/page.tsx
import { redirect } from "next/navigation";

export default function Home() {
  redirect("/api/auth/login?post_login_redirect_url=/dashboard");
}

Set the environment variable for a fixed destination, or add the query parameter when initiating login for a route-specific destination.

When to use it

Static application landing page

Use a consistent landing page such as /dashboard after every successful login.

Return to a protected route

Send users back to the protected route they attempted to open before authentication.

Environment-specific redirects

Use separate destinations or host values for local, production, and preview deployments.

Interview questions

QWhat does KINDE_POST_LOGIN_REDIRECT_URL control?

It is an environment variable that sets a fixed destination after users log in. In the Next.js App Router SDK, define it in .env.local, such as /dashboard represented by the application URL.

Follow-up: How would you support different destinations? Use the post_login_redirect_url query parameter when redirecting to the login endpoint, allowing the initiating route to specify its post-login destination.

QHow do static and dynamic redirects differ?

A static redirect applies one configured destination to the application. A dynamic redirect passes post_login_redirect_url during login, so the destination can vary by request.

Follow-up: What deployment issue can affect the static approach? Preview domains can differ, so the variable should be set dynamically from the domain initiating the authentication flow.

QHow can a route request a specific post-login destination?

The login request can include post_login_redirect_url, for example /api/auth/login?post_login_redirect_url=/dashboard. Kinde then uses that value to return the user to the requested route after authentication.

Follow-up: What should be checked when redirects fail? Verify the destination and deployment domain against the application's configured Kinde redirect settings.

  • KINDE_SITE_URL
  • KINDE_REDIRECT_URL
  • KINDE_POST_LOGOUT_REDIRECT_URL
  • postLoginRedirectURL
  • post_login_redirect_url

Source: Next.js App Router SDK. Checked 2026-10-15.