German Commercial Register API

The Registercheck API provides programmatic access to detailed company information from the German Business Register. It delivers structured data on company registrations, shareholders, legal forms, and official documents, enabling efficient integration of business data into your applications. In addition, the information is enriched with information from the web. It is also possible to search for natural persons who are involved in business life in connection with German companies. Updates are reported via watchlists. Registercheck is the go to and most comprehensive API for the German economy. Used by leading companies.

What is Registercheck?

Registercheck provides access to one of the most comprehensive open databases for legal entities and business persons in Germany. Our platform enables you to search, monitor, and directly integrate business information into your workflows. Besides our API services we provide a complete frontend solution, which you can find here.

Key Features

Company Search

• Search for company information
  • Extensive information from the business register as well as the web and smart links to see previously unrecognizable connections (e.g. shareholdings)
  • For detailed information on data availability please read the Data Coverage FAQ

Person Search

• Search for business persons
  • Comprehensive information from the commercial register but also web and smart links to see previously unrecognizable connections (e.g. shareholdings) for persons associated with German companies
  • For detailed information on data availability please read the Data Coverage FAQ

Monitoring (Watchlist)

• Set up monitors for instant notifications on company changes
• Simultaneously monitor multiple companies
• Notifications for important updates
• Customizable monitoring parameters

Lists

• Create lists of companies and personal profiles to save and access searches

Data Integration

• RESTful API access with JSON responses
• Flexible integration possibilities
• Webhook support for watchlists

We look forward to your feedback and the exciting projects you realize!

Make use of our support offer, further information can be found on the Slack Connect Page.

You can get the API key in our frontend app at registercheck.de. Click on your profilicon at the bottom left and select the API button in the context menu to manage the keys and webhooks. You can get API access in the Pro plan. If you would like to test the registercheck API in advance, please contact [email protected]