curl --request POST \
  --url https://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "accountIds": [
      "account-1",
      "account-2"
    ]
  }
}
'

import requests

url = "https://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices"

payload = { "data": { "accountIds": ["account-1", "account-2"] } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({data: {accountIds: ['account-1', 'account-2']}})
};

fetch('https://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/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.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices",
  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([
    'data' => [
        'accountIds' => [
                'account-1',
                'account-2'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices"

	payload := strings.NewReader("{\n  \"data\": {\n    \"accountIds\": [\n      \"account-1\",\n      \"account-2\"\n    ]\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": {\n    \"accountIds\": [\n      \"account-1\",\n      \"account-2\"\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.provider.fiskil.com/v1/energy/customer/{customerId}/accounts/invoices")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": {\n    \"accountIds\": [\n      \"account-1\",\n      \"account-2\"\n    ]\n  }\n}"

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

{
  "data": {
    "invoices": [
      {
        "accountId": "019a09f5-f0bf-7341-91e4-919f1a028b08",
        "invoiceNumber": "125",
        "issueDate": "2025-10-01",
        "dueDate": "2025-16-01",
        "period": {
          "endDate": "2025-09-30",
          "startDate": "2025-07-01"
        },
        "invoiceAmount": "120.00",
        "gstAmount": "12.00",
        "payOnTimeDiscount": {
          "gstAmount": "0.10",
          "discountAmount": "1.00",
          "date": "2025-16-01"
        },
        "balanceAtIssue": "0.00",
        "servicePoints": [
          "019a09f9-7a2d-7591-94dd-695bf62c70c9"
        ],
        "electricity": {
          "totalGst": "12.00",
          "totalGenerationCredits": "0.00",
          "totalOnceOffCharges": "0.00",
          "totalOnceOffDiscounts": "0.00",
          "totalUsageCharges": "120.00"
        },
        "paymentStatus": "NOT_PAID"
      }
    ]
  },
  "meta": {
    "totalRecords": 1,
    "totalPages": 1
  },
  "links": {
    "first": "page=1&page-size=25&oldest-date=2023-04-24",
    "last": "page=4&page-size=25&oldest-date=2023-04-24",
    "next": "page=3&page-size=25&oldest-date=2023-04-24",
    "prev": "page=1&page-size=25&oldest-date=2023-04-24"
  }
}

{
  "error": "Customer not found"
}

{
  "error": "Account in query not found"
}