curl --request GET \
  --url https://api.malvo.io/transactions/{id} \
  --header 'X-API-KEY: <api-key>'

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://api.malvo.io/transactions/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.malvo.io/transactions/{id}"

headers = {"X-API-KEY": "<api-key>"}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.malvo.io/transactions/{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;
}

{
  "id": "a8534c85-53ce-4f21-94d7-50e9d2ee4957",
  "description": "* PROV * COMPRA TESOURO DIRETO CLIENTES",
  "descriptionRaw": "* PROV * COMPRA TESOURO DIRETO CLIENTES",
  "currencyCode": "BRL",
  "amount": -212.45,
  "date": "2020-10-15T00:00:00.000Z",
  "balance": 4439.4,
  "category": "Fixed Income Investment",
  "accountId": "562b795d-1653-429f-be86-74ead9502813",
  "providerCode": null,
  "status": "POSTED",
  "paymentData": null,
  "type": "DEBIT",
  "providerId": null
}

{
  "code": 404,
  "codeDescription": "TRANSACTION_NOT_FOUND",
  "message": "Transaction not found"
}

{
  "code": 500,
  "codeDescription": "INTERNAL_SERVER_ERROR",
  "message": "Internal Server Error"
}