> For the complete documentation index, see [llms.txt](https://docs.legal-data-analytics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.legal-data-analytics.com/legal-data-analytics-v1/api-basics/overview-access.md).

# Overview and Access

## Front-End and Back-End 

The offering consists of two components

1. **Front-End (UI):** designed for end-users who would like to access Legal Co-Pilot Functions directly via Browser.
2. **Back-End (API):** designed for power-users and software developers who want to integrate the Legal Data Hub into software systems and services.

## Front-end: UI (User Interface)

### Accessing the web application

You can access the web application via 

* [https://www.os-assist.de/](http://www.os-assist.de/)

### Logging into the web application

The login is handled via SSO and either Microsoft Entra ID (managed by LDA) or an [IDP](https://en.wikipedia.org/wiki/Identity_provider) from a content partner, such as [Otto Schmidt online | Login](https://anmeldung.otto-schmidt.de/).

{% hint style="info" %}
Please note: before logging in, you need to be registered by LDA. Please contact us via <info@legal-data-analytics.com> to get your access.
{% endhint %}

## Back-End: API (Application Programming Interface)

{% hint style="danger" %}
Please note: that the API back-end is only reachable via <https://otto-schmidt.legal-data-hub.com/> or <https://api.legal-data-hub.com/> starting from 01.01.2026 on.
{% endhint %}

### Documentation and API Access

You can access the web application via&#x20;

* <https://otto-schmidt.legal-data-hub.com/>
* <https://api.legal-data-hub.com/>&#x20;

The [Swagger](https://swagger.io/) documentation can be found via the corresponding URLs

* <https://otto-schmidt.legal-data-hub.com/docs>
* <https://api.legal-data-hub.com/docs>

{% hint style="info" %}
Please note: access to endpoint requires authentication via Bearer tokens and Apikeys, see [Login and Authorisation](/legal-data-analytics-v1/api-basics/login-authorisation.md)
{% endhint %}