curl --request POST \
  --url https://api.gameboost.com/v2/item-orders/{itemOrder}/complete \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.gameboost.com/v2/item-orders/{itemOrder}/complete"

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

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

print(response.text)

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

fetch('https://api.gameboost.com/v2/item-orders/{itemOrder}/complete', 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.gameboost.com/v2/item-orders/{itemOrder}/complete",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  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.gameboost.com/v2/item-orders/{itemOrder}/complete"

	req, _ := http.NewRequest("POST", 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.post("https://api.gameboost.com/v2/item-orders/{itemOrder}/complete")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gameboost.com/v2/item-orders/{itemOrder}/complete")

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

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

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

{
  "data": {
    "id": 123,
    "item_offer_id": 123,
    "game": {
      "id": 123,
      "name": "<string>",
      "slug": "<string>"
    },
    "buyer": {
      "id": 123,
      "username": "<string>"
    },
    "rating": {
      "id": 123,
      "labels": [
        "<string>"
      ],
      "rating": 123,
      "comment": "<string>",
      "created_at": 123,
      "updated_at": 123
    },
    "title": "<string>",
    "description": "<string>",
    "quantity": 123,
    "parameters": {},
    "is_disputed": true,
    "dispute_case_id": 123,
    "delivery_time": {
      "duration": 123,
      "format": "<string>",
      "format_long": "<string>",
      "seconds": 123
    },
    "credentials": {
      "username": "CharacterName",
      "server": "EU"
    },
    "price_eur": "<string>",
    "price_usd": "<string>",
    "unit_price_eur": "<string>",
    "unit_price_usd": "<string>",
    "created_at": 123,
    "updated_at": 123,
    "purchased_at": 123,
    "completed_at": 123,
    "refunded_at": 123
  },
  "message": "<string>",
  "action": "<string>"
}

{
  "message": "Unauthenticated."
}

{
  "message": "This action is unauthorized."
}

{
  "message": "Resource not found."
}

{
  "message": "Too many requests."
}