curl --request GET \
  --url https://api.enem.dev/v1/exams/{year}/questions/{index}

import requests

url = "https://api.enem.dev/v1/exams/{year}/questions/{index}"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.enem.dev/v1/exams/{year}/questions/{index}', 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.enem.dev/v1/exams/{year}/questions/{index}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($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.enem.dev/v1/exams/{year}/questions/{index}"

	req, _ := http.NewRequest("GET", url, nil)

	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.enem.dev/v1/exams/{year}/questions/{index}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.enem.dev/v1/exams/{year}/questions/{index}")

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

request = Net::HTTP::Get.new(url)

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

{
  "title": "Questão 1 - ENEM 2020",
  "index": 1,
  "discipline": "linguagens",
  "language": "ingles",
  "year": 2020,
  "context": "Lorem ipsum dolor sit amet, qui minim labore adipisicing minim sint cillum sint consectetur cupidatat.",
  "files": [
    "https://enem.dev/2020/questions/1-ingles/6e1ca12e-9bc4-472b-8809-84e7e394714a.png"
  ],
  "correctAlternative": "A",
  "alternativesIntroduction": "Com base no texto, selecione a alternativa correta",
  "alternatives": [
    {
      "letter": "A",
      "text": "Lorem ipsum dolor sit amet, qui minim labore adipisicing minim sint cillum sint consectetur cupidatat.",
      "file": "https://enem.dev/2020/questions/1-ingles/6e1ca12e-9bc4-472b-8809-84e7e394714a.png",
      "isCorrect": true
    }
  ]
}

{
  "error": {
    "code": "bad_request",
    "message": "The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).",
    "docUrl": "https://enem.dev/docs/errors#bad-request"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "The server cannot find the requested resource.",
    "docUrl": "https://enem.dev/docs/errors#not-found"
  }
}

{
  "error": {
    "code": "unprocessable_entity",
    "message": "The request was well-formed but was unable to be followed due to semantic errors.",
    "docUrl": "https://enem.dev/docs/errors#unprocessable-entity"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "The user has sent too many requests in a given amount of time",
    "docUrl": "https://enem.dev/docs/errors#rate-limit_exceeded"
  }
}

{
  "error": {
    "code": "internal_server_error",
    "message": "The server has encountered a situation it does not know how to handle.",
    "docUrl": "https://enem.dev/docs/errors#internal-server_error"
  }
}