curl --request POST \
  --url https://panel.sendcloud.sc/api/v3/addresses/validate \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": {
    "address_line_1": "Stadhuisplein",
    "house_number": "50",
    "address_line_2": "Apartment 17B",
    "postal_code": "1013 AB",
    "city": "Eindhoven",
    "po_box": "<string>",
    "state_province_code": "IT-RM",
    "country_code": "NL"
  },
  "carrier_code": "trunkrs",
  "validation_methods": [
    "here"
  ]
}
'

import requests

url = "https://panel.sendcloud.sc/api/v3/addresses/validate"

payload = {
    "address": {
        "address_line_1": "Stadhuisplein",
        "house_number": "50",
        "address_line_2": "Apartment 17B",
        "postal_code": "1013 AB",
        "city": "Eindhoven",
        "po_box": "<string>",
        "state_province_code": "IT-RM",
        "country_code": "NL"
    },
    "carrier_code": "trunkrs",
    "validation_methods": ["here"]
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    address: {
      address_line_1: 'Stadhuisplein',
      house_number: '50',
      address_line_2: 'Apartment 17B',
      postal_code: '1013 AB',
      city: 'Eindhoven',
      po_box: '<string>',
      state_province_code: 'IT-RM',
      country_code: 'NL'
    },
    carrier_code: 'trunkrs',
    validation_methods: ['here']
  })
};

fetch('https://panel.sendcloud.sc/api/v3/addresses/validate', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://panel.sendcloud.sc/api/v3/addresses/validate",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'address' => [
        'address_line_1' => 'Stadhuisplein',
        'house_number' => '50',
        'address_line_2' => 'Apartment 17B',
        'postal_code' => '1013 AB',
        'city' => 'Eindhoven',
        'po_box' => '<string>',
        'state_province_code' => 'IT-RM',
        'country_code' => 'NL'
    ],
    'carrier_code' => 'trunkrs',
    'validation_methods' => [
        'here'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://panel.sendcloud.sc/api/v3/addresses/validate"

	payload := strings.NewReader("{\n  \"address\": {\n    \"address_line_1\": \"Stadhuisplein\",\n    \"house_number\": \"50\",\n    \"address_line_2\": \"Apartment 17B\",\n    \"postal_code\": \"1013 AB\",\n    \"city\": \"Eindhoven\",\n    \"po_box\": \"<string>\",\n    \"state_province_code\": \"IT-RM\",\n    \"country_code\": \"NL\"\n  },\n  \"carrier_code\": \"trunkrs\",\n  \"validation_methods\": [\n    \"here\"\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Basic <encoded-value>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://panel.sendcloud.sc/api/v3/addresses/validate")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"address\": {\n    \"address_line_1\": \"Stadhuisplein\",\n    \"house_number\": \"50\",\n    \"address_line_2\": \"Apartment 17B\",\n    \"postal_code\": \"1013 AB\",\n    \"city\": \"Eindhoven\",\n    \"po_box\": \"<string>\",\n    \"state_province_code\": \"IT-RM\",\n    \"country_code\": \"NL\"\n  },\n  \"carrier_code\": \"trunkrs\",\n  \"validation_methods\": [\n    \"here\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://panel.sendcloud.sc/api/v3/addresses/validate")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"address\": {\n    \"address_line_1\": \"Stadhuisplein\",\n    \"house_number\": \"50\",\n    \"address_line_2\": \"Apartment 17B\",\n    \"postal_code\": \"1013 AB\",\n    \"city\": \"Eindhoven\",\n    \"po_box\": \"<string>\",\n    \"state_province_code\": \"IT-RM\",\n    \"country_code\": \"NL\"\n  },\n  \"carrier_code\": \"trunkrs\",\n  \"validation_methods\": [\n    \"here\"\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "input_address_is_valid": true,
  "results": [
    {
      "address": {
        "address_line_1": "Stadhuisplein",
        "house_number": "50",
        "address_line_2": "Apartment 17B",
        "postal_code": "1013 AB",
        "city": "Eindhoven",
        "po_box": "<string>",
        "state_province_code": "IT-RM",
        "country_code": "NL"
      },
      "validation_method": "here",
      "recommended": true,
      "analysis": {
        "validation_result": {
          "is_valid": true,
          "reasons": [
            "ADDRESS_TOO_LONG"
          ]
        },
        "changed_attributes": [
          "<string>"
        ],
        "invalid_attributes": [
          "<string>"
        ]
      }
    }
  ]
}

{
  "errors": [
    {
      "detail": "This field is required.",
      "status": "400",
      "source": {
        "pointer": "/address/carrier_code"
      },
      "code": "required"
    }
  ]
}