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zitadel/apps/docs/content/concepts/features/external-user-grant.mdx
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d8ea041c56 docs: introduce versioned docs and migrate to fuma (#11166)
## Todos for release

- [x] Configure Env in docs project on vercel
- [x] Configure Root Path in the docs project on vercel
- [ ] Remove old CSP https://github.com/zitadel/website/pull/1592

## What we did

This pull request migrates the project documentation from the old
`docs/` directory to the new `apps/docs/` directory, introduces a new
documentation system built with Next.js and Fumadocs, and updates all
relevant references, configuration files, and documentation to reflect
this change. It also adds new configuration and ignore files for the new
documentation app, updates CI and linting to exclude the new docs from
certain checks, and revises the contributing guidelines accordingly.

**Documentation System Migration and New Docs App**

* Migrated all documentation from `docs/` to `apps/docs/`, and updated
all references in `README.md`, `CONTRIBUTING.md`, and other files to
point to the new location.
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[[5]](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5L30-R30)
* Added a new Next.js/Fumadocs-based documentation app under
`apps/docs/`, including core app files, layouts, routing, search API,
and a comprehensive `README.md` with development and contribution
instructions.
[[1]](diffhunk://#diff-5a1b07344a2c1b4d3f37b23ff1388b62cd9f57dea3c1cd23d8a0412b7602b132R1-R74)
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[apps/docs/app/[[...slug]]/layout.tsxR1-R81](diffhunk://#diff-59e08acde4e805b7aeccef1dcf98f1d71dfc550777e6b9402085cee0e9fa4e0aR1-R81),
[apps/docs/app/[[...slug]]/page.tsxR1-R79](diffhunk://#diff-e5df3f80d0fa01e12d63d81f29c57a9d14e846c78fd3beabb2ef768e38fd9580R1-R79),
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[[6]](diffhunk://#diff-c8fb8339570a5305809be7c618e14705fd86390dc278e6ce8ba224a7bc8b0c3cR1-R25)

**Configuration and Tooling Updates**

* Updated `.github/workflows/codeql.yml`, `.golangci.yaml`, and
`.github/dependabot.yml` to properly handle the new docs app: excluded
`apps/docs` from certain checks, added npm dependency updates for the
docs app, and excluded generated content.
[[1]](diffhunk://#diff-12783128521e452af0cfac94b99b8d250413c516ec71fe6d97dbea666ff7ba27L8-R14)
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[[4]](diffhunk://#diff-dd4fbda47e51f1e35defb9275a9cd9c212ecde0b870cba89ddaaae65c5f3cd28R89-R106)
* Updated `.devcontainer/devcontainer.json` to use the latest Go 1.25.3
version for consistency.

**Licensing and Miscellaneous**

* Added `apps/docs/` to the list of licensed directories in
`LICENSING.md`.

These changes ensure the documentation is now maintained in a modern,
scalable system and all project tooling is updated to support the new
structure.

---------

Co-authored-by: Federico Coppede <[email protected]>
2026-01-29 08:38:36 -08:00

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---
title: External user grant
---
ZITADEL's external user grant is a feature that allows you to grant access to projects within your organization to users from other organizations.
This is useful in scenarios where you want to collaborate with external users without needing them to be part of your organization.
By using external user grants, you can streamline collaboration with external users while maintaining control over access to your projects within ZITADEL.
![](../../../public/img/concepts/features/external-user-grant.png)
## Where to store users
### Consumer Identity Management (CIAM) / Business-to-Consumer (B2C)
You might typically store all users in a single ZITADEL [organization](../structure/organizations) for managing customer accounts.
We recommend creating a second organization for your own team that also contains all the projects and applications that will be [granted](../structure/granted_projects) to the first organization with the B2C customer accounts.
Instead of duplicating user accounts for your team members in the B2C organization, you can create external user grants on the B2C organization.
### Multitenancy / Business-to-Business (B2B)
ZITADEL allows you to create separate [organizations](../structure/organizations) for each of your business partner or tenant.
There might be cases were users from one organization need access to projects from another organization.
You can create an external user grant, that allows the inviting organization to manage the roles for the external user.
## Project Grants vs. User Grants
Project grants are used to delegate access management of an entire project (or specific roles of the project) to another organization.
User grants provide a more granular approach, allowing specific users from external organizations to access your projects.
## Alternative to multiple user accounts
A user account is always unique across a ZITADEL instance.
In some use cases, external user grants are a simple way to allow users access to multiple tenants.
## References
* [API reference for user grants](/reference/api/management)
* [How to manage user grants through ZITADEL's management console](/guides/manage/console/roles#authorizations)
* [More about multi-tenancy with ZITADEL](https://zitadel.com/blog/multi-tenancy-with-organizations)