The KVK API is the Chamber of Commerce's own door to the Dutch Business Register. Prometiam serves only the Dutch legal entities that hold an LEI, from GLEIF, not the register. This page says why KVK is the right source for full Dutch records, and where Prometiam still helps.
Facts about KVK API read on 29 October 2026
Also available in: Nederlands
For full Dutch Business Register data, use the KVK API.
Use Prometiam for the cross-border part of the flow: Dutch legal entities that hold an LEI, Dutch corporate insolvency notices, a sanctions screen (beta) and company records for other countries in one schema.
| Prometiam | KVK API | |
|---|---|---|
| Dutch company records | Legal entities with an LEI and a KVK number, from GLEIF, not the Business Register: name, status, legal form, registered address and LEI (no sole proprietorships) | Basisprofiel (basic profile), Vestigingsprofiel (establishment profile) and Naamgeving (naming), straight from the Business Register |
| Search | By KVK number, LEI or name, LEI holders only, 1 credit a call | Zoeken (search) costs EUR 0 |
| Change feed | Name, status, legal form and address changes of LEI holders as events and monitoring alerts, none before 30 October 2026 | Mutatieservice reports changes to registrations: EUR 1,279 a year, and it needs a subscription |
| Insolvency | Dutch corporate insolvency notices on the insolvency endpoints, 2 credits a call; linked to a company record only where the company holds an LEI | Not described on the pages read |
| Price | Published: 14-day trial, then EUR 9.99, 29.99 or 99.99 a month with credits | EUR 6.40 a month plus EUR 0.02 for each profile call; invoices carry no VAT |
| Other countries | Company records for the other live countries, one JSON schema | The Netherlands only |
| Financial statements | Not served for the Netherlands | Listed on the pricing page as an open dataset, not as a paid API call |
Prometiam publishes its prices. Free trial: 14 days, card required, nothing charged during it, 500 credits. Starter EUR 9.99 a month (1,000 credits a month, 60 requests a minute), Professional EUR 29.99 (10,000 credits, 120 requests a minute), Scale EUR 99.99 (50,000 credits, 300 requests a minute), Enterprise on request. A successful call costs credits: 1 for a company search or record, 2 for events, officers or insolvency notices, 3 for a sanctions screen (beta); errors are free. Annual accounts cost 25 credits per company and need Scale or above (Starter, Professional and trial keys: 10 calls a month).
The Netherlands on Prometiam, as at 30 October 2026: Dutch legal entities that hold an LEI and whose KVK number GLEIF records (GLEIF data, CC0 1.0), not an extract of the Business Register. Sole proprietorships, natural persons, officers, share capital, activity codes, VAT numbers and financial statements are not served, and register-change events start on 30 October 2026. Corporate insolvency notices from the central insolvency register link to a company record by KVK number only where the company holds an LEI. Insolvency notices are corporate only and cover sixteen markets. Sanctions screening is beta.
Statements about KVK API come from its own public pages, read on the dates in the sources list; they can change, so check KVK API's current terms before you decide. KVK API and the other product names belong to their owners, and Prometiam is not affiliated with KVK API. Prometiam facts are as at 30 October 2026.