OpenRegister

​

Overview

Access German commercial register data, shareholders, balance sheets & more. Through Langdock’s integration, you can access and manage OpenRegister directly from your conversations.

​

Available Actions

​

Get Company Contact Information

openregister.getCompanyContactInformation

Retrieve contact information for a company using its unique ID. The response includes details such as email address, phone number, VAT identification number Requires Confirmation: No Parameters:

• companyId (TEXT, Required): Unique company identifier. Can be retrieved by using the ‘Search Companies’ action

Output: Returns company contact information including email, phone, and VAT details

---

​

Get Company by Website URL

openregister.getCompanybyWebsiteURL

Find a company using its website URL. The response includes a company ID that you can use with other endpoints to get details like financials, shareholders, and representatives Requires Confirmation: No Parameters:

• url (TEXT, Required): The url of the company website

Output: Returns company information including company ID for further queries

---

​

Get Shareholders

openregister.getShareholders

This endpoint currently only supports companies with the legal form GmbH Requires Confirmation: No Parameters:

• companyId (TEXT, Required): Unique company identifier. Example format: DE-HRB-F1103-267645

Output: Returns shareholder information for GmbH companies

---

​

Search Companies

openregister.searchCompanies

Search for companies based on various criteria. You can filter by company name, register number, register type, register court, active status, and legal form. The response provides a list of matching companies Requires Confirmation: No Parameters:

• query (TEXT, Required): Text search query to find companies by name. Example: ‘Descartes Technologies UG’

Output: Returns a list of matching companies with their basic information

---

​

Get Company Information

openregister.getCompanyInformation

Retrieve detailed information about a company using its unique ID. The response includes company registration details, current status, name, address, business purpose, capital, legal representatives Requires Confirmation: No Parameters:

• companyId (TEXT, Required): The company id to use

Output: Returns detailed company information including registration details, status, and representatives

---

​

Common Use Cases

​

Best Practices

​

Troubleshooting

Issue	Solution
Authentication failed	Verify your API Key credentials
Rate limit exceeded	Reduce request frequency
Data not found	Check permissions and data availability
Connection timeout	Verify network connectivity

​

Support

For additional help with the OpenRegister integration, contact support@langdock.com