curl --request GET \
  --url https://api.maesn.dev/accounting/bills/{billId} \
  --header 'X-ACCOUNT-KEY: <x-account-key>' \
  --header 'X-API-KEY: <x-api-key>'

import requests

url = "https://api.maesn.dev/accounting/bills/{billId}"

headers = {
    "X-API-KEY": "<x-api-key>",
    "X-ACCOUNT-KEY": "<x-account-key>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {
  method: 'GET',
  headers: {'X-API-KEY': '<x-api-key>', 'X-ACCOUNT-KEY': '<x-account-key>'}
};

fetch('https://api.maesn.dev/accounting/bills/{billId}', 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://api.maesn.dev/accounting/bills/{billId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-ACCOUNT-KEY: <x-account-key>",
    "X-API-KEY: <x-api-key>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.maesn.dev/accounting/bills/{billId}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<x-api-key>")
	req.Header.Add("X-ACCOUNT-KEY", "<x-account-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.maesn.dev/accounting/bills/{billId}")
  .header("X-API-KEY", "<x-api-key>")
  .header("X-ACCOUNT-KEY", "<x-account-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.maesn.dev/accounting/bills/{billId}")

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

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<x-api-key>'
request["X-ACCOUNT-KEY"] = '<x-account-key>'

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

{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 125,
      "perPage": 50,
      "currentPage": 1,
      "totalPages": 3
    }
  },
  "data": [
    {
      "id": "9714f3a2-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
      "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
      "addresses": [
        {
          "addressLine1": "Main street 45",
          "addressLine2": "2nd floor",
          "city": "Berlin",
          "countryCode": "DE",
          "postalCode": "10243",
          "type": "BILLING"
        }
      ],
      "billDate": "2021-01-01T00:00:00Z",
      "billNumber": "1020",
      "contactId": "eaa28f49-6028-4b6e-bb12-d8f6278073fc",
      "createdDate": "2021-01-01T00:00:00Z",
      "currency": "EUR",
      "deliveryDate": "2021-01-01T00:00:00Z",
      "dueDate": "2021-07-01T00:00:00Z",
      "fileId": "93c6b8e0-80a4-4c22-a46c-18beebab82d6",
      "journalCode": "30",
      "lineItems": [
        {
          "id": "987a2b3c-4d5e-6f7g-8h9i-0j1k2l3m4n5o",
          "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
          "accountNumber": "200",
          "createdDate": "2021-01-01T00:00:00Z",
          "deferredEndDate": "2021-06-01T00:00:00Z",
          "deferredStartDate": "2021-01-01T00:00:00Z",
          "description": "SEOUL Guest Chair, red",
          "dimensions": [
            {
              "name": "C1",
              "categoryName": "CostCenter"
            }
          ],
          "itemId": "4f3a2hf4-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
          "itemName": "RED CHAIR",
          "quantity": 1,
          "taxCode": "03",
          "taxRatePercentage": 19,
          "totalDiscountAmount": 10,
          "totalDiscountPercentage": 10,
          "totalGrossAmount": 109,
          "totalNetAmount": 100,
          "totalTaxAmount": 19,
          "unitAmount": 100,
          "unitDiscountAmount": 10,
          "unitDiscountPercentage": 10,
          "unitName": "PIECE",
          "updatedDate": "2021-01-01T00:00:00Z"
        }
      ],
      "name": "Office Supplies",
      "oneLineAddress": "Main street 45, Berlin",
      "paidDate": "2021-01-25T00:00:00Z",
      "paymentDays": 30,
      "paymentReference": "Edefad142e764894",
      "paymentStatus": "PENDING",
      "paymentTermCode": "21",
      "reference": "026 / 245",
      "shippingDate": "2021-01-01T00:00:00Z",
      "shippingType": "DELIVERY",
      "status": "DRAFT",
      "taxRule": "NET",
      "taxText": "Tax 19 percent",
      "totalDiscountAmount": 10,
      "totalDiscountPercentage": 10,
      "totalGrossAmount": 109,
      "totalNetAmount": 100,
      "totalTaxAmount": 19,
      "updatedDate": "2021-01-01T00:00:00Z"
    }
  ]
}