curl --request GET \
  --url https://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items \
  --header 'x-api-key: <api-key>'

import requests

url = "https://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items"

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://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items', 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://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items",
  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://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items"

	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://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://platform.runonatlas.com/external/invoices/{invoiceId}/with-line-items")

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

{
  "id": "atlas-internal-invoice-id-123",
  "createdAt": "2021-01-01T00:00:00.000Z",
  "dueDate": "2021-01-31T00:00:00.000Z",
  "externalId": "external-invoice-id-123",
  "issueDate": "2021-01-01T00:00:00.000Z",
  "pendingDate": "2021-01-01T00:00:00.000Z",
  "status": "issued",
  "updatedAt": "2021-01-01T00:00:00.000Z",
  "vanityId": 123456,
  "vanityIdString": "123456",
  "customerId": "atlas-internal-customer-id-123",
  "merchantId": "atlas-internal-merchant-id-123",
  "subscriptionId": "atlas-internal-subscription-id-123",
  "autoSyncInvoice": true,
  "autoSendInvoice": true,
  "autoChargeInvoice": false,
  "paymentGateway": "Stripe",
  "invoiceLineItems": [
    {
      "amount": 100,
      "createdAt": "2021-01-01T00:00:00.000Z",
      "description": "Pro Plan - Monthly",
      "details": {
        "quantity": 1,
        "unitPrice": 100
      },
      "endDate": "2021-01-31T00:00:00.000Z",
      "id": "atlas-internal-invoice-line-item-id-123",
      "startDate": "2021-01-01T00:00:00.000Z",
      "updatedAt": "2021-01-01T00:00:00.000Z",
      "invoiceId": "atlas-internal-invoice-id-123",
      "merchantId": "atlas-internal-merchant-id-123",
      "priceId": "atlas-internal-price-id-123",
      "price": {
        "id": "atlas-internal-price-id-123",
        "entityType": "entitlement",
        "billingMode": "arrears",
        "rules": {
          "quantity": 1,
          "price": 10
        },
        "priceType": "bulk",
        "billable": {
          "id": "atlas-internal-billable-id-123",
          "showOnInvoice": true,
          "hidden": false,
          "singleUnitLabel": "Unit",
          "multipleUnitLabel": "Units"
        }
      }
    }
  ]
}