curl --request GET \
  --url https://api.voltview.co.uk/v1/sites/invoices \
  --header 'x-api-key: <api-key>'

import requests

url = "https://api.voltview.co.uk/v1/sites/invoices"

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

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

print(response.text)

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

fetch('https://api.voltview.co.uk/v1/sites/invoices', 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.voltview.co.uk/v1/sites/invoices",
  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-api-key: <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.voltview.co.uk/v1/sites/invoices"

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

	req.Header.Add("x-api-key", "<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.voltview.co.uk/v1/sites/invoices")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.voltview.co.uk/v1/sites/invoices")

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

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

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

[
  {
    "isStatement": true,
    "supplierName": "<string>",
    "supplierAccountNumber": "<string>",
    "customerName": "<string>",
    "billingAddress": "<string>",
    "items": [
      {
        "invoiceNumber": "<string>",
        "invoiceDate": "2023-12-25",
        "dueDate": "2023-12-25",
        "chargeStartDate": "2023-12-25",
        "chargeEndDate": "2023-12-25",
        "netAmount": 123,
        "vatAmount": 123,
        "totalAmount": 123,
        "previousBalance": 123,
        "outstandingBalance": 123,
        "supplyPoints": [
          {
            "mpanMprn": "<string>",
            "meterSerialNumber": "<string>",
            "consumption": {
              "total": 123,
              "unit": "kWh"
            },
            "charges": [
              {
                "description": "<string>",
                "chargeStartDate": "2023-12-25",
                "chargeEndDate": "2023-12-25",
                "startReading": 123,
                "endReading": 123,
                "quantity": 123,
                "unit": "<string>",
                "rate": 123,
                "rateUnit": "<string>",
                "vatRate": 123,
                "netAmount": 123,
                "totalAmount": 123
              }
            ],
            "meterReadings": [
              {
                "date": "2023-12-25",
                "reading": "<string>",
                "unit": "<string>"
              }
            ]
          }
        ]
      }
    ]
  }
]

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "message": "Invalid request"
  }
}