Add new client in Keycloak

Clients in Keycloak are applications that interact with it for authentication and authorization. Adding a new client in Keycloak is letting it manage all clients that will connect to it, according to which protocol, which standard authentication and authorization. In this tutorial, I will show you how to add a new client in Keycloak with basic information.

First, you need to log in to the realm you want to add a new client for, as follows:

Add new client in Keycloak

then on the left menu, click on the menu item Clients.

Add new client in Keycloak

To add a new client, click the Create button on this page. An Add Client page will display the following:

Add new client in Keycloak

You can use a .json file, which defines the information about the client in Keycloak format, to import information about the client using the Import selection box. Or fill in the client manually using the Client ID, Client Protocol, Root URL (optional) fields.

In the Client Protocol field, we have 2 protocols that Keycloak supports: OpenID Connect (an extension of the OAuth standard) and SAML (Security Assertion Markup Language), depending on your purpose that you choose to be reasonable! We can also change the protocol that we will use for our application after we have created it in Keycloak.

Assuming I now have an Angular application called angular-test, I want to use Keycloak to manage authentication and authorization according to the OAuth2 standard. To declare this Angular application on Keycloak, I will fill its information manually as follows:

Add new client in Keycloak

Click the Save button, you will see a message showing us that the new client has been successful. Depending on which protocol you use for your application, we need to declare additional information regarding the protocol. Here, I am using the OpenID Connect protocol for my application, so after creating the client, you will see the following page:

Add new client in Keycloak

There are many fields that we can configure for client information.

As I said above, we can change the protocol that the client will use in the Client Protocol field. For example, if I choose SAML, you will see the following changes:

Add new client in Keycloak

After configuring the information for the Client, please click the Save button to save those configurations!

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