curl --request GET \
  --url https://api.altera.co/expenses \
  --header 'Authorization: <api-key>'

import requests

url = "https://api.altera.co/expenses"

headers = {"Authorization": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://api.altera.co/expenses', 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.altera.co/expenses",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <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.altera.co/expenses"

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

	req.Header.Add("Authorization", "<api-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.altera.co/expenses")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.altera.co/expenses")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<api-key>'

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

{
  "result": "OK",
  "data": {
    "expenses": [
      {
        "modelType": "PROCESSED_EXPENSE",
        "readOnly": false,
        "basicInformation": {
          "invoiceId": 18,
          "invoiceType": "SALES",
          "invoiceNumber": "2/1/2022",
          "year": 2022,
          "month": 6,
          "invoiceNumberInPeriod": 2,
          "statusId": "SENT",
          "isReceipt": false,
          "isRelated": false,
          "netPrice": 8500,
          "grossPrice": 10455,
          "currency": "PLN",
          "exchangeRate": 1,
          "vatPLN": 1955,
          "issueDate": "2022-06-16T00:00:00.000Z",
          "saleDate": "2022-06-27T00:00:00.000Z",
          "uploadDate": "2022-03-24T14:26:17.000Z",
          "relatedInvoicesIds": [],
          "priceTypeId": "NET",
          "paymentGenerationStatus": "ACCEPTED"
        },
        "contractor": {
          "contractorName": "Altera sp. z o.o.",
          "contractorId": 25,
          "taxIdentificationNumber": "7010978165",
          "country": "PL",
          "contractorType": "COMPANY",
          "contractorRegion": "POLAND",
          "defaultCurrency": "PLN",
          "city": "Bydgoszcz",
          "street": "ul. Grunwaldzka",
          "houseNumber": "4",
          "postCode": "85-236"
        },
        "buyer": {
          "taxIdentificationNumber": "9671391067",
          "contractorName": "ITKO Łukasz Kowalski"
        },
        "seller": {
          "contractorName": "Altera sp. z o.o.",
          "contractorId": 25,
          "taxIdentificationNumber": "7010978165",
          "country": "PL",
          "contractorType": "COMPANY",
          "contractorRegion": "POLAND",
          "defaultCurrency": "PLN",
          "city": "Bydgoszcz",
          "street": "ul. Grunwaldzka",
          "houseNumber": "4",
          "postCode": "85-236"
        },
        "payments": {
          "paymentMethod": "TRANSFER",
          "dueDate": "2022-07-11T00:00:00.000Z",
          "isSplitPayment": false,
          "isPaid": false,
          "bankAccountNumber": "PL78114020040000360280396856"
        },
        "invoicePosition": [],
        "costCenterPerItem": false,
        "additionalDetails": "Usługi księgowe Koszty ogólne",
        "accounting": {
          "accountingDate": "2022-09-16T00:00:00.000Z",
          "receiptDate": "2022-09-23T00:00:00.000Z",
          "vatProcedures": [],
          "registrationPlate": "",
          "isSubjectToVat": false,
          "activeVat": false,
          "bufferOnly": false
        }
      }
    ],
    "pagesAmount": "1",
    "sumGross": "10455.000",
    "sumNet": "8500.00"
  }
}