Documentatie

curl -s \
  -H "X-Api-Key: JOUW-API-KEY" \
  "https://api.postcode-service.nl/v1/address/1021JT/19"

<?php
$postcode   = '1021JT';
$huisnummer = '19';
$apiKey     = 'JOUW-API-KEY';

$ch = curl_init("https://api.postcode-service.nl/v1/address/{$postcode}/{$huisnummer}");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["X-Api-Key: {$apiKey}"]);

$response = curl_exec($ch);
$status   = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

if ($status === 200) {
    $address = json_decode($response, true);
    echo $address['address'] . ', ' . $address['city'];
} else {
    echo "Fout: HTTP {$status}";
}

const response = await fetch(
  'https://api.postcode-service.nl/v1/address/1021JT/19',
  { headers: { 'X-Api-Key': 'JOUW-API-KEY' } }
);
const data = await response.json();
console.log(`${data.address}, ${data.city}`);

import requests

response = requests.get(
    'https://api.postcode-service.nl/v1/address/1021JT/19',
    headers={'X-Api-Key': 'JOUW-API-KEY'}
)
data = response.json()
print(f"{data['address']}, {data['city']}")

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
)

func main() {
    req, _ := http.NewRequest("GET",
        "https://api.postcode-service.nl/v1/address/1021JT/19", nil)
    req.Header.Set("X-Api-Key", "JOUW-API-KEY")

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

    var data map[string]any
    json.NewDecoder(resp.Body).Decode(&data)
    fmt.Printf("%s, %s\n", data["address"], data["city"])
}

import java.net.URI;
import java.net.http.*;
import com.fasterxml.jackson.databind.ObjectMapper;

var client  = HttpClient.newHttpClient();
var request = HttpRequest.newBuilder()
    .uri(URI.create("https://api.postcode-service.nl/v1/address/1021JT/19"))
    .header("X-Api-Key", "JOUW-API-KEY")
    .build();

var response = client.send(request, HttpResponse.BodyHandlers.ofString());
var data     = new ObjectMapper().readValue(response.body(), Map.class);
System.out.println(data.get("address") + ", " + data.get("city"));

using System.Net.Http;
using System.Text.Json;

var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key", "JOUW-API-KEY");

var json = await client.GetStringAsync(
    "https://api.postcode-service.nl/v1/address/1021JT/19");

var data = JsonDocument.Parse(json).RootElement;
Console.WriteLine($"{data.GetProperty("address").GetString()}, " +
                  $"{data.GetProperty("city").GetString()}");

require 'net/http'
require 'json'

uri = URI('https://api.postcode-service.nl/v1/address/1021JT/19')
req = Net::HTTP::Get.new(uri)
req['X-Api-Key'] = 'JOUW-API-KEY'

response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
data = JSON.parse(response.body)
puts "#{data['address']}, #{data['city']}"