curl --request POST \
  --url https://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "Users",
  "description": "Charges for users",
  "taxCategoryId": "28227c88-6dba-455f-9b30-b9c76957e610",
  "revenueRecognitionMethod": "STRAIGHT_LINE",
  "revenueClassification": "EARNED",
  "servicePeriod": {
    "start": "2022-10-20",
    "endInclusive": "2022-10-24"
  }
}
'

import requests

url = "https://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups"

payload = {
    "title": "Users",
    "description": "Charges for users",
    "taxCategoryId": "28227c88-6dba-455f-9b30-b9c76957e610",
    "revenueRecognitionMethod": "STRAIGHT_LINE",
    "revenueClassification": "EARNED",
    "servicePeriod": {
        "start": "2022-10-20",
        "endInclusive": "2022-10-24"
    }
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    title: 'Users',
    description: 'Charges for users',
    taxCategoryId: '28227c88-6dba-455f-9b30-b9c76957e610',
    revenueRecognitionMethod: 'STRAIGHT_LINE',
    revenueClassification: 'EARNED',
    servicePeriod: {start: '2022-10-20', endInclusive: '2022-10-24'}
  })
};

fetch('https://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups', 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://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups",
  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([
    'title' => 'Users',
    'description' => 'Charges for users',
    'taxCategoryId' => '28227c88-6dba-455f-9b30-b9c76957e610',
    'revenueRecognitionMethod' => 'STRAIGHT_LINE',
    'revenueClassification' => 'EARNED',
    'servicePeriod' => [
        'start' => '2022-10-20',
        'endInclusive' => '2022-10-24'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "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://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups"

	payload := strings.NewReader("{\n  \"title\": \"Users\",\n  \"description\": \"Charges for users\",\n  \"taxCategoryId\": \"28227c88-6dba-455f-9b30-b9c76957e610\",\n  \"revenueRecognitionMethod\": \"STRAIGHT_LINE\",\n  \"revenueClassification\": \"EARNED\",\n  \"servicePeriod\": {\n    \"start\": \"2022-10-20\",\n    \"endInclusive\": \"2022-10-24\"\n  }\n}")

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

	req.Header.Add("Authorization", "<authorization>")
	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://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"Users\",\n  \"description\": \"Charges for users\",\n  \"taxCategoryId\": \"28227c88-6dba-455f-9b30-b9c76957e610\",\n  \"revenueRecognitionMethod\": \"STRAIGHT_LINE\",\n  \"revenueClassification\": \"EARNED\",\n  \"servicePeriod\": {\n    \"start\": \"2022-10-20\",\n    \"endInclusive\": \"2022-10-24\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://eu.sequencehq.com/api/invoices/{invoice}/line-item-groups")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"Users\",\n  \"description\": \"Charges for users\",\n  \"taxCategoryId\": \"28227c88-6dba-455f-9b30-b9c76957e610\",\n  \"revenueRecognitionMethod\": \"STRAIGHT_LINE\",\n  \"revenueClassification\": \"EARNED\",\n  \"servicePeriod\": {\n    \"start\": \"2022-10-20\",\n    \"endInclusive\": \"2022-10-24\"\n  }\n}"

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

{
  "id": "941272d1-f840-4e16-b698-0cd455c81e0e",
  "invoiceId": "cd11218d-fa00-4faa-8684-a43113d076a8",
  "title": "Cars",
  "description": "Charges for cars",
  "index": 1,
  "netTotal": "200000",
  "totalTax": "10",
  "grossTotal": "22000",
  "taxCategory": {
    "id": "28227c88-6dba-455f-9b30-b9c76957e610",
    "name": "VAT"
  }
}

This response has no body data.

This response has no body data.

This response has no body data.