API Reference

const response = await fetch(
  "https://api.kvkbase.nl/v1/lookup/12345678",
  {
    headers: {
      Authorization: "Bearer YOUR_API_KEY",
    },
  }
);
const company = await response.json();
console.log(company.name); // "Acme B.V."

import requests

response = requests.get(
    "https://api.kvkbase.nl/v1/lookup/12345678",
    headers={"Authorization": "Bearer YOUR_API_KEY"}
)
company = response.json()
print(company["name"])  # "Acme B.V."

$ch = curl_init("https://api.kvkbase.nl/v1/lookup/12345678");
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer YOUR_API_KEY"
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = json_decode(curl_exec($ch));
echo $response->name; // "Acme B.V."

req, _ := http.NewRequest("GET",
    "https://api.kvkbase.nl/v1/lookup/12345678", nil)
req.Header.Set("Authorization", "Bearer YOUR_API_KEY")

resp, _ := http.DefaultClient.Do(req)
defer resp.Body.Close()

var company map[string]interface{}
json.NewDecoder(resp.Body).Decode(&company)
fmt.Println(company["name"]) // "Acme B.V."

require "net/http"
require "json"

uri = URI("https://api.kvkbase.nl/v1/lookup/12345678")
req = Net::HTTP::Get.new(uri)
req["Authorization"] = "Bearer YOUR_API_KEY"

res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http|
  http.request(req)
}
company = JSON.parse(res.body)
puts company["name"] # "Acme B.V."

const params = new URLSearchParams({ q: "acme", pageSize: "5" });
const response = await fetch(
  `https://api.kvkbase.nl/v1/search?${params}`,
  { headers: { Authorization: "Bearer YOUR_API_KEY" } }
);
const { results, total } = await response.json();

response = requests.get(
    "https://api.kvkbase.nl/v1/search",
    params={"q": "acme", "pageSize": 5},
    headers={"Authorization": "Bearer YOUR_API_KEY"}
)
data = response.json()
for company in data["results"]:
    print(company["name"])

$url = "https://api.kvkbase.nl/v1/search?" . http_build_query([
    "q" => "acme", "pageSize" => 5
]);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer YOUR_API_KEY"
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch));

req, _ := http.NewRequest("GET",
    "https://api.kvkbase.nl/v1/search?q=acme&pageSize=5", nil)
req.Header.Set("Authorization", "Bearer YOUR_API_KEY")
resp, _ := http.DefaultClient.Do(req)

uri = URI("https://api.kvkbase.nl/v1/search")
uri.query = URI.encode_www_form(q: "acme", pageSize: 5)
req = Net::HTTP::Get.new(uri)
req["Authorization"] = "Bearer YOUR_API_KEY"

const response = await fetch(
  "https://api.kvkbase.nl/v1/validate/vat/NL123456789B01",
  { headers: { Authorization: "Bearer YOUR_API_KEY" } }
);
const { valid, name } = await response.json();

response = requests.get(
    "https://api.kvkbase.nl/v1/validate/vat/NL123456789B01",
    headers={"Authorization": "Bearer YOUR_API_KEY"}
)
result = response.json()
print(f"Valid: {result['valid']}")

$ch = curl_init(
    "https://api.kvkbase.nl/v1/validate/vat/NL123456789B01"
);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer YOUR_API_KEY"
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = json_decode(curl_exec($ch));

req, _ := http.NewRequest("GET",
    "https://api.kvkbase.nl/v1/validate/vat/NL123456789B01", nil)
req.Header.Set("Authorization", "Bearer YOUR_API_KEY")
resp, _ := http.DefaultClient.Do(req)

uri = URI("https://api.kvkbase.nl/v1/validate/vat/NL123456789B01")
req = Net::HTTP::Get.new(uri)
req["Authorization"] = "Bearer YOUR_API_KEY"

const response = await fetch(
  "https://api.kvkbase.nl/v1/be/lookup/BE0821015819",
  { headers: { Authorization: "Bearer YOUR_API_KEY" } }
);
const company = await response.json();
console.log(company.name, company.vat?.status); // "INSPACE" "validated"

const params = new URLSearchParams({ q: "colruyt", postalCode: "1500" });
const response = await fetch(
  `https://api.kvkbase.nl/v1/be/search?${params}`,
  { headers: { Authorization: "Bearer YOUR_API_KEY" } }
);
const { results, total, capped } = await response.json();

const response = await fetch(
  "https://api.kvkbase.nl/v1/be/lookup/batch",
  {
    method: "POST",
    headers: {
      Authorization: "Bearer YOUR_API_KEY",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      cbeNumbers: ["0821.015.819", "BE0417497106"],
    }),
  }
);
const { results, count, tokensUsed } = await response.json();

const response = await fetch(
  "https://api.kvkbase.nl/v1/be/validate/vat/BE0821015819",
  { headers: { Authorization: "Bearer YOUR_API_KEY" } }
);
const { valid, status } = await response.json();

const response = await fetch("https://api.kvkbase.nl/v1/health");
const health = await response.json();
console.log(health.status); // "ok"

response = requests.get("https://api.kvkbase.nl/v1/health")
print(response.json()["status"])  # "ok"

$health = json_decode(
    file_get_contents("https://api.kvkbase.nl/v1/health")
);

resp, _ := http.Get("https://api.kvkbase.nl/v1/health")

res = Net::HTTP.get(URI("https://api.kvkbase.nl/v1/health"))