curl --request POST \
  --url https://api.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "branch": "0001",
  "digit": "1",
  "ispb": "12345678",
  "number": "87654321",
  "type": "checking"
}
'

import requests

url = "https://api.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts"

payload = {
    "branch": "0001",
    "digit": "1",
    "ispb": "12345678",
    "number": "87654321",
    "type": "checking"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    branch: '0001',
    digit: '1',
    ispb: '12345678',
    number: '87654321',
    type: 'checking'
  })
};

fetch('https://api.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts', 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.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'branch' => '0001',
    'digit' => '1',
    'ispb' => '12345678',
    'number' => '87654321',
    'type' => 'checking'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts"

	payload := strings.NewReader("{\n  \"branch\": \"0001\",\n  \"digit\": \"1\",\n  \"ispb\": \"12345678\",\n  \"number\": \"87654321\",\n  \"type\": \"checking\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Basic <encoded-value>")
	req.Header.Add("Content-Type", "application/json")

	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.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"branch\": \"0001\",\n  \"digit\": \"1\",\n  \"ispb\": \"12345678\",\n  \"number\": \"87654321\",\n  \"type\": \"checking\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.trio.com.br/banking/counterparties/{counterparty_id}/bank_accounts")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"branch\": \"0001\",\n  \"digit\": \"1\",\n  \"ispb\": \"12345678\",\n  \"number\": \"87654321\",\n  \"type\": \"checking\"\n}"

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

{
  "data": {
    "branch": "0001",
    "counterparty_id": "018df099-093e-cfd1-4500-4c9392eb5d8a",
    "digit": "1",
    "id": "018df099-093e-cfd1-4500-4c9392eb5d8a",
    "ispb": "12345678",
    "number": "87654321",
    "type": "checking"
  }
}

{
  "error": {
    "error_code": "UNAUTHORIZED",
    "error_message": "Invalid credentials"
  }
}

{
  "error": {
    "error_code": "INTEGRATION_ERROR",
    "error_message": "An unexpected issue occurred"
  }
}