n8n-nodes-openregister

This package provides n8n community nodes to interact with the OpenRegister API from your workflows. See the official documentation at docs.openregister.de.

OpenRegister provides programmatic access to structured company registry data from official sources in Germany. See what data exactly are available here.

Installation
Operations
Credentials
Compatibility
Usage
Resources
Version history

Installation

Follow the installation guide in the n8n community nodes documentation to add this package (n8n-nodes-openregister) to your n8n instance.

Operations

Resource: Company

• Search for a Company: Search companies by name. Endpoint: /v1/autocomplete/company (query param: query).
• Get Company Details: Fetch company details by ID. Endpoint: /v1/company/{companyId}.
• Get Company Financials: Fetch company financials by ID. Endpoint: /v1/company/{companyId}/financials.
• Get Company Owners: Fetch company owners by ID. Endpoint: /v1/company/{companyId}/owners.
• Get Company Holdings: Fetch companies this company holds stakes in. Endpoint: /v1/company/{companyId}/holdings.

The company ID is a unique identifier for a company inside the OpenRegister ecosystem. You can get the company ID for a company in the results of the Search for a Company operation.

Credentials

This node uses API key authentication via an Authorization: Bearer header.

How to get an API key:

1. Create an account at openregister.de and sign in.
2. In your dashboard, open the API keys section and create a new API key.
3. Copy the key value. Keep it secure.

Details and up-to-date instructions: see Authentication.

In n8n, create credentials of type OpenRegister API and set:

• Base URL: https://api.openregister.de (default)
• API Key: your generated key

Requests are sent with:

Authorization: Bearer YOUR_API_KEY

Compatibility

• n8n Nodes API version: 1
• Node.js: >= 20.15

Usage

• Search companies: Choose resource Company and operation Search for a Company, set "Company Name" (query). The node returns the results array of the matching companies.
• Get details/financials/owners/holdings: Use the id from a previous search as Company ID.

An example workflow doing exactly that is available here.
To try it out, just add a company name as the search parameter in the first node and click Execute Workflow.

Resources

• n8n community nodes documentation
• OpenRegister Documentation
• OpenRegister Authentication
• OpenRegister Coverage
• OpenRegister Example Workflow

Version history

• 0.1.0: Initial release