curl --request POST \
  --url https://app.demand-iq.com/api/address/validate \
  --header 'Content-Type: application/json' \
  --cookie session= \
  --data '
{
  "address": "123 Main St",
  "city": "Phoenix",
  "country": "US",
  "state": "AZ",
  "zip": "85001"
}
'

import requests

url = "https://app.demand-iq.com/api/address/validate"

payload = {
    "address": "123 Main St",
    "city": "Phoenix",
    "country": "US",
    "state": "AZ",
    "zip": "85001"
}
headers = {
    "cookie": "session=",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {cookie: 'session=', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    address: '123 Main St',
    city: 'Phoenix',
    country: 'US',
    state: 'AZ',
    zip: '85001'
  })
};

fetch('https://app.demand-iq.com/api/address/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://app.demand-iq.com/api/address/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' => '123 Main St',
    'city' => 'Phoenix',
    'country' => 'US',
    'state' => 'AZ',
    'zip' => '85001'
  ]),
  CURLOPT_COOKIE => "session=",
  CURLOPT_HTTPHEADER => [
    "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://app.demand-iq.com/api/address/validate"

	payload := strings.NewReader("{\n  \"address\": \"123 Main St\",\n  \"city\": \"Phoenix\",\n  \"country\": \"US\",\n  \"state\": \"AZ\",\n  \"zip\": \"85001\"\n}")

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

	req.Header.Add("cookie", "session=")
	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://app.demand-iq.com/api/address/validate")
  .header("cookie", "session=")
  .header("Content-Type", "application/json")
  .body("{\n  \"address\": \"123 Main St\",\n  \"city\": \"Phoenix\",\n  \"country\": \"US\",\n  \"state\": \"AZ\",\n  \"zip\": \"85001\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.demand-iq.com/api/address/validate")

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

request = Net::HTTP::Post.new(url)
request["cookie"] = 'session='
request["Content-Type"] = 'application/json'
request.body = "{\n  \"address\": \"123 Main St\",\n  \"city\": \"Phoenix\",\n  \"country\": \"US\",\n  \"state\": \"AZ\",\n  \"zip\": \"85001\"\n}"

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

{
  "valid": true,
  "formattedAddress": "<string>",
  "coordinates": {
    "lat": 123,
    "lng": 123
  },
  "normalized": {},
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}