> For the complete documentation index, see [llms.txt](https://glu.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://glu.gitbook.io/docs/use-cases/implement-single-sign-in.md).

# Implement single sign in

You can use Glu to implement a single sign in for users across all the touch points, your website, app or in-venue.

Once the user is logged in and authorized, you're able to query our [OAuth API](/docs/getting-started/authentication/oauth.md) giving access to the users membership (Tier, status, benefits), registered gift cards, credit accounts and more.

{% stepper %}
{% step %}

### Create your OAuth client

Ensure you've created your OAuth client and you're comfortable creating, storing and refreshing access and refresh tokens, [get started here.](/docs/getting-started/authentication/oauth.md)
{% endstep %}

{% step %}

### Configure the look and design of the login page

The branding and design is created through the [theme](https://admin.glu.io/user/select_organisation?route=admin_brand_index) and [store](https://admin.glu.io/user/select_organisation?route=admin_store_index) settings.
{% endstep %}

{% step %}

### Send the user to the OAuth

You'll want to craft the OAuth link to send the user to outlined [here](/docs/getting-started/authentication/oauth.md#authorizing-as-a-member) and ensure the redirect\_uri returns them back to you, once they've authorized your access you can start to access data about the user.
{% endstep %}
{% endstepper %}