curl --request GET \
  --url https://api.envoi.no/v1/invoices \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.envoi.no/v1/invoices"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.envoi.no/v1/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.envoi.no/v1/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 => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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.envoi.no/v1/invoices"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.envoi.no/v1/invoices")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.envoi.no/v1/invoices")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "items": [
    {
      "id": "8b6f2a4e-1c3d-4e5f-9a7b-2c4d6e8f0a12",
      "number": "10023",
      "type": "invoice",
      "status": "sent",
      "clientName": "Fjordkaffe AS",
      "issueDate": "2026-09-29",
      "dueDate": "2026-10-13",
      "total": 1250,
      "paidAmount": 0,
      "updatedAt": "2026-09-29T10:15:00Z",
      "creditedAmount": 0,
      "outstandingAmount": 1250
    }
  ],
  "page": 1,
  "pageSize": 20,
  "totalCount": 1,
  "hasMore": false
}

{
  "code": "validation-failed",
  "message": "The request is not valid.",
  "errors": [
    {
      "field": "status",
      "code": "unknown-status"
    }
  ]
}

{
  "code": "unauthorized",
  "message": "A valid API client access token is required."
}

{
  "code": "insufficient_scope",
  "message": "This API client needs invoices:read."
}

{
  "code": "rate_limited",
  "message": "Too many requests; try again later."
}

{
  "code": "server-error",
  "message": "The request could not be completed. It is safe to retry with the same Idempotency-Key."
}