curl --request POST \
  --url https://api.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel"

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

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

print(response.text)

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

fetch('https://api.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel', 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.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel",
  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.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel"

	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.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/transactions/{transactionId}/reversals/{reversalId}/cancel")

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

{
  "environment": "LIVE",
  "realmId": "<string>",
  "organizationId": "<string>",
  "accountId": "<string>",
  "walletId": "<string>",
  "transactionId": "<string>",
  "status": "INITIATED",
  "originalEffectiveAt": "2023-11-07T05:31:56Z",
  "originalAmount": 123,
  "originalCurrency": "784",
  "originalCreditParty": {
    "bankIspb": "<string>",
    "accountType": "CACC",
    "document": "<string>",
    "keyType": "PHONE",
    "key": "<string>",
    "name": "<string>",
    "street": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "branch": "<string>",
    "accountNumber": 123
  },
  "originalDebitParty": {
    "bankIspb": "<string>",
    "accountType": "CACC",
    "document": "<string>",
    "keyType": "PHONE",
    "key": "<string>",
    "name": "<string>",
    "street": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "branch": "<string>",
    "accountNumber": 123
  },
  "reversalReason": "USER_REQUESTED",
  "reversalDescription": "<string>",
  "reversalEffectiveAt": "2023-11-07T05:31:56Z",
  "reversalAmount": 123,
  "reversalCurrency": "784",
  "_id": "<string>",
  "requestedAt": "2023-11-07T05:31:56Z",
  "originalPixId": "<string>",
  "originalPixBillingId": "<string>",
  "originalReceipt": {
    "endToEndId": "<string>"
  },
  "reversalAdditionalInformation": "<string>",
  "reversalReceipt": {
    "endToEndId": "<string>"
  },
  "errorCode": "<string>",
  "errorDescription": "<string>",
  "external": {
    "reversalId": "<string>"
  },
  "processingType": "INSTANT",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "confirmingAt": "2023-11-07T05:31:56Z"
}