De Nederlandse Adres API.

curl -X GET "https://postcodetools.nl/api/v1/addresses/lookup?postcode=1012JS&number=1" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"

import requests

response = requests.get(
    "https://postcodetools.nl/api/v1/addresses/lookup",
    params={"postcode": "1012JS", "number": 1},
    headers={"Authorization": "Bearer YOUR_API_KEY"},
)

data = response.json()
print(data["street"], data["city"])

$response = Http::withToken('YOUR_API_KEY')
    ->get('https://postcodetools.nl/api/v1/addresses/lookup', [
        'postcode' => '1012JS',
        'number' => 1,
    ]);

$address = $response->json();
echo $address['street'] . ', ' . $address['city'];

const response = await fetch(
    "https://postcodetools.nl/api/v1/addresses/lookup?postcode=1012JS&number=1",
    { headers: { "Authorization": "Bearer YOUR_API_KEY" } }
);

const data = await response.json();
console.log(data.street, data.city);

{
  "data": {
    "postcode": "1012JS",
    "house_number": 1,
    "street": "Dam",
    "city": "Amsterdam",
    "municipality": "Amsterdam",
    "province": "Noord-Holland",
    "latitude": 52.3731,
    "longitude": 4.8932
  }
}