v1.0.0
Legacy
API Documentation
RESTful API to search for companies registered in Belgium via the Crossroads Bank for Enterprises (BCE/KBO).
2M+ companies
Access to official BCE/KBO data covering over 2 million Belgian companies.
< 200ms
Fast response times thanks to intelligent caching and optimized architecture.
Authentication
API key security with intelligent per-user rate limiting.
RESTful JSON
Standard REST API with JSON responses, OpenAPI documentation and code examples.
Base URL
Production
https://companybelgium.be/api
All API requests must be prefixed with this base URL. Responses are in JSON format.
Quick start
Make your first request in seconds:
cURL
curl -H "X-API-Key: pk_live_votre_cle" \ "https://companybelgium.be/api/companies/search?name=Proximus"
Available endpoints
| Method | Endpoint | Description |
|---|---|---|
GET | /api/companies/search | Search companies |
GET | /api/companies/address | Search by address |
GET | /api/companies/:id | Company details |
GET | /api/establishments/search | Search establishments by name/location |
GET | /api/establishments/:id | Get establishment details by number |
GET | /api/peppol/check | Peppol verification |
GET | /api/health | API health status |