# Kamer van Koophandel (KVK)

**Canonical:** https://apis.io/providers/kvk-nl/  
**Website:** https://www.kvk.nl  
**APIs profiled:** 10

Kamer van Koophandel (KVK), the Netherlands Chamber of Commerce, maintains the Dutch Business Register (Handelsregister). Through the KVK Developer Portal it offers paid REST APIs to search the register (Zoeken), retrieve basic company profiles (Basisprofiel), establishment profiles (Vestigingsprofiel) and trade names (Naamgeving), a change-signal subscription (Mutatieservice), plus open datasets, with a free test environment using fictitious data.

## Kin Score — 55.7 / 100 (strong)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 78.6 |
| Contract Quality | 58.5 |
| Contract Governance | 22.0 |
| Operational Transparency | 38.1 |
| Developer Ergonomics | 61.9 |
| Access Clarity | 53.2 |

Regulatory layer — **Government & Public Sector**: 30.4 (matched via tags).

## Agent readiness — 34.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | na |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: high).

## APIs (6)

- **Kamer van Koophandel (KVK) Abonnement API** — The Abonnement API from Kamer van Koophandel (KVK) — 2 operation(s) for abonnement.
- **Kamer van Koophandel (KVK) Basisprofiel API** — The Basisprofiel API from Kamer van Koophandel (KVK) — 4 operation(s) for basisprofiel.
- **Kamer van Koophandel (KVK) Naamgeving API** — The naamgeving API from Kamer van Koophandel (KVK) — 1 operation(s) for naamgeving.
- **Kamer van Koophandel (KVK) Signaal API** — The Signaal API from Kamer van Koophandel (KVK) — 1 operation(s) for signaal.
- **Kamer van Koophandel (KVK) Vestigingsprofiel API** — The Vestigingsprofiel API from Kamer van Koophandel (KVK) — 1 operation(s) for vestigingsprofiel.
- **Kamer van Koophandel (KVK) Zoeken API** — The Zoeken API from Kamer van Koophandel (KVK) — 1 operation(s) for zoeken.

## Agentic access (1)

- **Kamer van Koophandel (KVK) Agentic Access** — 10 operations

## Security (3)

- **Kamer van Koophandel (KVK) Authentication** — apiKey · 1 scheme
- **Kamer van Koophandel (KVK) Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Kamer van Koophandel (KVK) Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Kamer van Koophandel (KVK) Plans Pricing**

## Tags

Company, Business Register, Government, Netherlands, Company Data, KYC, Open Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/kvk-nl/). Scores are computed from the provider's own public artifacts under a published rubric.