API reference
API reference
Every endpoint, parameter and response of the Registercheck API.
Every request goes to https://api.registercheck.de/v1 and carries your API key as
Authorization: Bearer <key>; see Authentication.
Each endpoint's page states what it costs.
| Area | What it covers | Endpoints |
|---|---|---|
| Search | Turning a name, a register number or a set of filters into candidate entities. | 4 |
| New formations | Companies whose first register entry is a new registration, newest Registertag first. | 3 |
| Register events | Every change the register courts enter, across all companies, newest register day first: the same events as a company's own history. | 4 |
| Companies | The register entry itself — name, registered office, purpose, capital, legal form — and the history of how it changed. | 4 |
| People | Who represents a company, and what one person holds across all of them. | 5 |
| Ownership | Who owns a company and what it owns, read from the shareholder lists on file. | 2 |
| Financial statements | Annual accounts published in the Unternehmensregister. | 3 |
| Documents | Register extracts, shareholder lists and articles of association, with a download that signs a fresh link for each request. | 2 |
| Monitoring | Watching a company for register changes — what you monitor, what changed, and where we send it. | 12 |
| Collections | Your own collections of companies and people. | 9 |
| Jobs | Asking for data to be fetched again, and polling the work that follows. | 2 |
| Platform | Service health. | 1 |