Europe • ISO NL
Verify Netherlands companies via API
Know Your Customer Limited verifies Netherlands companies live from the KVK – Kamer van Koophandel, returning company data, controlling parties, shareholders and beneficial owners, and registry documents, with AML screening and ongoing monitoring. Free sandbox available.
What the API returns for Netherlands
When you create a KYB case for a Netherlands company, Know Your Customer Limited retrieves data live from the KVK – Kamer van Koophandel. A single integration returns the company record, the controlling parties and individuals, the shareholders and beneficial owners, and the registry documents, with AML screening on the entity and its associated individuals built into the same case.
Netherlands data and document availability
What the API makes available for Netherlands companies:
| Category | Available |
|---|---|
| Company data | Entity Name, Entity Type, Entity Status, Registration Number, Address, Activity Type, Creation Date, Other Identifiers, Other Names, Total Share Capital, Dissolution Date |
| Controlling entities & individuals | Name, Address, Role, Nationality (if individual), Jurisdiction (if entity), Birth Date (if individual), Appointed on |
| Shareholders & beneficial owners | Name, Birth Date (if individual), Jurisdiction (if entity), Address, Role, Share count |
| Documents | Retrieved by default: Company Registration Extract Available on demand: Bedrijfsprofiel (Company profile), Historie (History), Concernrelaties (Group relations), Deponeringen (Deposits), Jaarrekeningen (Financial Statements), Documenten zoals statuten, fusie- ofsplitsingsvoorstellen (Documents such as articles of association, merger or division proposals) |
AML, sanctions, and PEP screening on the entity and its associated individuals, and ongoing live monitoring with change alerts, are available for Netherlands as part of the same case.
How to verify a Netherlands company via API
The following example shows the complete flow: authenticate, search the Netherlands registry, create a KYB case, and retrieve company data and the ownership org-chart. All calls go to the sandbox base URL for testing.
The sandbox at https://api.knowyourcustomer.dev is free. Request access to get your client credentials.
# 1. Authenticate (OAuth2 client credentials)
curl -X POST https://api.knowyourcustomer.dev/connect/token \
-d "grant_type=client_credentials" \
-d "client_id=YOUR_CLIENT_ID" \
-d "client_secret=YOUR_CLIENT_SECRET" \
-d "scope=PublicApi"
# 2. Search the Netherlands registry
curl -X POST https://api.knowyourcustomer.dev/v2/Companies/search \
-H "Authorization: Bearer $TOKEN" \
-H "Content-Type: application/json" \
-d '{"name":"ING Groep NV","codeiso31662":"NL"}'
# 3. Create a KYB case
curl -X POST https://api.knowyourcustomer.dev/v2/Companies \
-H "Authorization: Bearer $TOKEN" \
-H "Content-Type: application/json" \
-d '{"rawname":"ING Groep NV","codeiso31662":"NL"}'
# 4. Retrieve company data and status
curl https://api.knowyourcustomer.dev/v2/Companies/CASE_ID \
-H "Authorization: Bearer $TOKEN"
# 5. Get the beneficial ownership org-chart
curl https://api.knowyourcustomer.dev/v2/Companies/CASE_ID/org-chart \
-H "Authorization: Bearer $TOKEN"
Replace YOUR_CLIENT_ID and YOUR_CLIENT_SECRET with your sandbox credentials, and CASE_ID with the caseCommonId returned in step 3.
Frequently asked questions about the Netherlands KYB API
What company data can I verify in Netherlands?
For a Netherlands company, the API returns the company record read live from the KVK – Kamer van Koophandel: the entity name, type, status, registration number, address, and registration date, along with the controlling parties, the shareholders and beneficial owners, and the available registry documents. See the table above for the full Netherlands availability.
Does the API return beneficial ownership (UBO) data for Netherlands companies?
The API resolves the controlling parties, shareholders, and beneficial owners for Netherlands companies and exposes them as a recursive ownership org-chart (GET /v2/Companies/{caseCommonId}/org-chart), tracing control through holding companies to the individual beneficial owners. The depth available depends on what the KVK – Kamer van Koophandel discloses. See the UBO API.
Can I retrieve official registry documents for Netherlands companies?
Yes. The default document set for Netherlands includes Company Registration Extract, retrieved by default, with additional documents available on demand (Bedrijfsprofiel (Company profile), Historie (History), Concernrelaties (Group relations), Deponeringen (Deposits), Jaarrekeningen (Financial Statements), Documenten zoals statuten, fusie- ofsplitsingsvoorstellen (Documents such as articles of association, merger or division proposals)). List and download them with the documents endpoint (GET /v2/Companies/{caseCommonId}/documents).
Is there a free sandbox for testing Netherlands company verification?
Yes. The Know Your Customer sandbox at https://api.knowyourcustomer.dev is a free, high-fidelity test environment. Request free sandbox access to start testing.
The Know Your Customer Limited API covers 147 jurisdictions worldwide, including Netherlands. One integration, one set of credentials, one response schema across all markets. Browse all covered jurisdictions.
Related coverage: United Kingdom • Aaland Islands • Albania • Austria • Belarus • Belgium.
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