# Automatic User Registration in Multi-Tenant Setup with Organisations via Generic Link

**URL:** <https://forum.keycloak.org/t/automatic-user-registration-in-multi-tenant-setup-with-organisations-via-generic-link/30291>\
**Category:** Getting advice\
**Created:** [August 6, 2025, 9:35am UTC](https://forum.keycloak.org/t/automatic-user-registration-in-multi-tenant-setup-with-organisations-via-generic-link/30291 "2025-08-06T09:35:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Schumachej](https://yyz2.discourse-cdn.com/free1/user_avatar/forum.keycloak.org/schumachej/32/12279_2.png) [@Schumachej](https://forum.keycloak.org/u/Schumachej)\
**Post date:** [August 6, 2025, 9:35am UTC](https://forum.keycloak.org/t/automatic-user-registration-in-multi-tenant-setup-with-organisations-via-generic-link/30291/1 "2025-08-06T09:35:53Z")

</div>

Hi everyone,

I’m currently working on setting up Keycloak with the Organisation feature to support a multi-tenant architecture, where users can be members of multiple Organisations.

One of the key requirements is that users should be able to self-register for a specific Organisation without requiring any admin intervention or unique invite links. After registration, Organisation administrators may later assign roles or permissions to the user.

Ideally, I’m looking for a solution that allows a generic registration link for each Organisation, which automatically associates the registering user with that Organisation.

Is this possible using the Organisation feature in Keycloak? Would using subdomains (e.g., `org1.example.com`, `org2.example.com`) be a viable approach to route users to the correct Organisation during registration? I think IDPs would not work, since user come from different email domains.

Any guidance or best practices on how to implement this would be greatly appreciated.

Thank you!  
JS