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/

Logging into the web application

The login is handled via SSO and either Microsoft Entra ID (managed by LDA) or an IDP from a content partner, such as Otto Schmidt online | Login.

Please note: before logging in, you need to be registered by LDA. Please contact us via [email protected] to get your access.

Back-End: API (Application Programming Interface)

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.

Documentation and API Access

You can access the web application via

• https://otto-schmidt.legal-data-hub.com/

• https://api.legal-data-hub.com/

The Swagger documentation can be found via the corresponding URLs

• https://otto-schmidt.legal-data-hub.com/swagger-ui

• https://api.legal-data-hub.com/swagger-ui/

Please note: access to endpoint requires authentication via Bearer tokens and Apikeys, see Login and Authorisation