curl --request GET \
  --url https://api.example.com/api/v1/tournament-rounds/{id}/ \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.example.com/api/v1/tournament-rounds/{id}/"

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://api.example.com/api/v1/tournament-rounds/{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.example.com/api/v1/tournament-rounds/{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 => [
    "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://api.example.com/api/v1/tournament-rounds/{id}/"

	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://api.example.com/api/v1/tournament-rounds/{id}/")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/tournament-rounds/{id}/")

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": 123,
  "matches": [
    {
      "id": 123,
      "player_match_relationships": [
        {
          "id": 123,
          "user_event_status": {
            "id": 123,
            "user": {
              "id": 123,
              "best_identifier": "<string>"
            },
            "decklist": 123,
            "final_place_in_standings": -1,
            "matches_won": -1,
            "matches_lost": -1,
            "matches_drawn": -1,
            "total_match_points": -1
          },
          "games_won": -1,
          "points_gained": -1,
          "player_order": -1
        }
      ],
      "is_feature_match": true,
      "table_number": -1
    }
  ],
  "round_number": -1
}