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

import requests

url = "https://api.banking.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/accounts/{accountId}/wallets/{walletId}/boleto-billing"

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}/boleto-billing', 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}/boleto-billing",
  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}/boleto-billing"

	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}/boleto-billing")
  .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}/boleto-billing")

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

{
  "_id": "<string>",
  "environment": "LIVE",
  "realmId": "<string>",
  "organizationId": "<string>",
  "accountId": "<string>",
  "walletId": "<string>",
  "barcode": "<string>",
  "digitableLine": "<string>",
  "ourNumber": "<string>",
  "ourNumberDigit": "<string>",
  "status": "INITIATED",
  "txnCurrency": "784",
  "txnAmount": 123,
  "txnMaxAmount": 123,
  "txnMinAmount": 123,
  "txnAmountLimitType": "FIXED_VALUE",
  "txnDivergentAmountType": "ANY_AMOUNT",
  "txnDiscountAmount": [
    {
      "date": "<string>",
      "amount": 123,
      "amountType": "EXEMPT"
    }
  ],
  "txnFineAmount": {
    "date": "<string>",
    "amount": 123,
    "amountType": "FIXED_VALUE"
  },
  "txnInterestAmount": {
    "date": "<string>",
    "amount": 123,
    "amountType": "AMOUNT_CALENDAR_DAYS"
  },
  "confirmedAmount": 123,
  "confirmedAmountAuthorized": 123,
  "confirmedCurrency": "784",
  "dueDate": "<string>",
  "expiresAt": "<string>",
  "description": "<string>",
  "errorCode": "<string>",
  "errorDescription": "<string>",
  "customer": {
    "name": "<string>",
    "document": "<string>",
    "address": {
      "city": "<string>",
      "complement": "<string>",
      "neighborhood": "<string>",
      "number": "<string>",
      "postalCode": "<string>",
      "state": "<string>",
      "street": "<string>"
    }
  },
  "finalBeneficiary": {
    "document": "<string>",
    "documentType": "CPF",
    "name": "<string>"
  },
  "external": {
    "boletoBillingId": "<string>"
  },
  "settledAt": "<string>",
  "confirmedBalanceCategory": "FLEX_NATIONAL",
  "createdAt": "<string>",
  "updatedAt": "<string>"
}