Invoice Retrieval Endpoint

$curl = curl_init();
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://easycms.fi/public_api/get_invoice",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_POST => true,
  CURLOPT_POSTFIELDS => http_build_query(['username' => 'USERNAME', 'password' => 'PASSWORD', 'account' => 'ACCOUNT_ID', 'invoice_id' => '1042']),
  CURLOPT_HTTPHEADER => array("Authorization1: TOKEN"),
));
$response = curl_exec($curl);
curl_close($curl);
echo $response;

import requests
url = "https://easycms.fi/public_api/get_invoice"
headers = {"Authorization1": "TOKEN"}
payload = {'username': 'USERNAME', 'password': 'PASSWORD', 'account': 'ACCOUNT_ID', 'invoice_id': '1042'}
response = requests.post(url, headers=headers, data=payload)
print(response.text)

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://easycms.fi/public_api/get_invoice"))
    .headers("Authorization1", "TOKEN")
    .POST(HttpRequest.BodyPublishers.ofString("username=USERNAME&password=PASSWORD&account=ACCOUNT_ID&invoice_id=1042"))
    .build();
HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());

const https = require('https');
const data = new URLSearchParams({ 
  "username": "USERNAME",
  "password": "PASSWORD",
  "account": "ACCOUNT_ID",
  "invoice_id": "1042",
}).toString();
const options = {
  hostname: 'easycms.fi',
  path: '/public_api/get_invoice',
  method: 'POST',
  headers: {
    'Authorization1': 'TOKEN',
    'Content-Type': 'application/x-www-form-urlencoded',
    'Content-Length': data.length
  }
};
const req = https.request(options, (res) => {
  let data = '';
  res.on('data', (chunk) => { data += chunk; });
  res.on('end', () => { console.log(data); });
});
req.on('error', (e) => { console.error(e); });
req.write(data);
req.end();

import React, { useEffect, useState } from 'react';
function App() {
  const [responseText, setResponseText] = useState('');
  useEffect(() => {
    const fetchData = async () => {
      try {
        const response = await fetch('https://easycms.fi/public_api/get_invoice', {
          method: 'POST',
          headers: {'Authorization1': 'TOKEN', 'Content-Type': 'application/x-www-form-urlencoded'},
          body: new URLSearchParams({"username": "USERNAME", "password": "PASSWORD", "account": "ACCOUNT_ID", "invoice_id": "1042"}).toString()
        });
        const data = await response.text();
        setResponseText(data);
      } catch (error) {
        console.error(error);
      }
    };
    fetchData();
  }, []);
  return (
{responseText}
);
}
export default App;

// Kotlin example requires using a third-party library like OkHttp for POST requests with a body
// Kotlin Example using OkHttp for POST request
import okhttp3.OkHttpClient
import okhttp3.FormBody
import okhttp3.Request

fun main() {
    val client = OkHttpClient()

    val formBody = FormBody.Builder()
        .add("username", "USERNAME")
        .add("password", "PASSWORD")
        .add("account", "ACCOUNT_ID")
        .add("invoice_id", "1042")
        .build()

    val request = Request.Builder()
        .url("https://easycms.fi/public_api/get_invoice")
        .post(formBody)
        .addHeader("Authorization1", "TOKEN")
        .build()

    client.newCall(request).execute().use { response ->
        if (!response.isSuccessful) throw IOException("Unexpected code $response")

        println(response.body?.string())
    }
}

using System;
using System.Net.Http;
using System.Threading.Tasks;
class Program
{
    static async Task Main()
    {
        var token = "TOKEN";
        var content = new FormUrlEncodedContent(new[]
        {
            new KeyValuePair("username", "USERNAME"),
            new KeyValuePair("password", "PASSWORD"),
            new KeyValuePair("account", "ACCOUNT_ID"),
            new KeyValuePair("invoice_id", "1042")
        });
        using (var httpClient = new HttpClient())
        {
            httpClient.DefaultRequestHeaders.Add("Authorization1", token);
            var response = await httpClient.PostAsync("https://easycms.fi/public_api/get_invoice", content);
            if (response.IsSuccessStatusCode)
            {
                var responseData = await response.Content.ReadAsStringAsync();
                Console.WriteLine(responseData);
            }
            else
            {
                Console.WriteLine($"Error: {response.StatusCode}");
            }
        }
    }
}