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

import requests

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

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/{id}', 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/{id}",
  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/{id}"

	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/{id}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

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

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

{
  "id": "8b6f2a4e-1c3d-4e5f-9a7b-2c4d6e8f0a12",
  "number": "10023",
  "type": "invoice",
  "status": "sent",
  "kid": "000100231",
  "issueDate": "2026-09-29",
  "dueDate": "2026-10-13",
  "paidAt": null,
  "reference": "Ordre 5512",
  "notes": "Takk for handelen!",
  "client": {
    "id": "c2a9d4e1-5b7f-4c3a-8e6d-1f2a3b4c5d6e",
    "name": "Fjordkaffe AS",
    "email": "post@fjordkaffe.no",
    "address": "Kaigata 1",
    "postalCode": "5003",
    "city": "Bergen",
    "orgNumber": "912345688",
    "country": "NO",
    "vatNumber": null
  },
  "currency": "NOK",
  "subtotal": 1000,
  "vat": 250,
  "total": 1250,
  "paidAmount": 0,
  "outstandingAmount": 1250,
  "creditedAmount": 0,
  "lines": [
    {
      "description": "Kaffebønner 1 kg",
      "quantity": 4,
      "unitPrice": 250,
      "vatRate": 25,
      "vatCode": 3,
      "lineTotal": 1000,
      "vatAmount": 250
    }
  ],
  "payments": [],
  "createdAt": "2026-09-29T10:15:00Z",
  "updatedAt": "2026-09-29T10:15:00Z"
}

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

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

{
  "code": "not-found",
  "message": "Not found."
}

{
  "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."
}